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22: <description><langstring lang="en"> This tool uses JavaScript to implement a number system conversion tool that can be used to teach the concepts of different number systems as part of an introductory math or computer science course. Users can convert numbers from decimal to another base, and from other bases to decimal, and the conversion process is explained.
23: There is also a quiz feature which allows students to test their ability to convert numbers on their own.</langstring></description>
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25: <langstring lang="en">
26: number system
27: </langstring>
28: <langstring lang="en">
29: binary
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32: decimal
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35: hexadecimal
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46: FN:Chaya Gurwitz
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83: <name><langstring lang="en">HTML Browser</langstring></name>
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110: <entry><langstring lang="en">General Literature</langstring></entry>
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122: <taxon>
123: <entry><langstring lang="en">Hardware</langstring></entry>
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137: <datestamp>2001-09-06</datestamp>
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142: <title><langstring lang="en">HSU CIS 492 - Project for a Senior-level Team Database Programming Course (a CIS senior capstone course)</langstring></title>
143: <catalogentry>
144: <catalogue>CSTC</catalogue>
145: <entry><langstring lang="en">4</langstring></entry>
146: </catalogentry>
147: <language>English</language>
148: <description><langstring lang="en"> This is a senior project for a senior-level Computer Information Systems capstone course. It is a team project, writing a large database project using Oracle.</langstring></description>
149: <keywords>
150: <langstring lang="en">
151: team programming project
152: </langstring>
153: <langstring lang="en">
154: database programming project
155: </langstring>
156: <langstring lang="en">
157: software engineering
158: </langstring>
159: <langstring lang="en">
160: senior capstone course project
161: </langstring>
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166: <contribute>
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170: BEGIN:vCard
171: FN:Sharon Tuttle
172: N:Tuttle;Sharon
173: EMAIL;INTERNET:st10@axe.humboldt.edu
174: END:vCard
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178: <datetime>2001-09-06</datetime>
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188: FN:Sharon Tuttle
189: N:Tuttle;Sharon
190: EMAIL;INTERNET:st10@axe.humboldt.edu
191: ORG:Humboldt State University;Computing Science
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238: <taxonpath>
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240: <taxon>
241: <entry><langstring lang="en">Software</langstring></entry>
242: </taxon>
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248: </classification>
249: <classification>
250: <purpose><langstring lang="en">Discipline</langstring></purpose>
251: <taxonpath>
252: <source>ACM Computing Classification System</source>
253: <taxon>
254: <entry><langstring lang="en">Software</langstring></entry>
255: </taxon>
256: <taxon>
257: <entry><langstring lang="en">Miscellaneous</langstring></entry>
258: </taxon>
259: </taxonpath>
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261: </classification>
262: <classification>
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264: <taxonpath>
265: <source>ACM Computing Classification System</source>
266: <taxon>
267: <entry><langstring lang="en">Information Systems</langstring></entry>
268: </taxon>
269: <taxon>
270: <entry><langstring lang="en">Miscellaneous</langstring></entry>
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280: <identifier>oai:CSTC:158</identifier>
281: <datestamp>2001-08-21</datestamp>
282: </header>
283: <metadata>
284: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
285: <general>
286: <title><langstring lang="en">Reusability and adaptability of interactive resources in web-based educational</langstring></title>
287: <catalogentry>
288: <catalogue>CSTC</catalogue>
289: <entry><langstring lang="en">158</langstring></entry>
290: </catalogentry>
291: <language>English</language>
292: <description><langstring lang="en"> The production of interactive multimedia content is in most cases an expensive task in terms of time and cost. Hence, optimizing production by exploiting the reusability of interactive multimedia elements is mandatory. Reusability can be triggered by a combination of resuable multimedia components and the appropriate use of metadata to control the components as well as their combination.
293: In this article, we discuss the reusability aspects of interactive multimedia content in web-based learning systems. In contrast to existing approaches, we extend a component-based architecture to build interactive multimedia visualization units with the use of metadata for reusability and customizability.
294: In the three-tier model, the lowest layer of the paradigm corresponds to the programmer (code reusability). The user interface of an educational visualization is located at the top layer where the interaction with the end-user (student) takes place. The educator is located between the top and the bottom layers. This medium layer allows adapting interactive multimedia content according to the needs of the user, applying a predefined set of metadata. The teacher can both adjust the level of explanation and the level of interactivity of an animation, and influence the presentation and the results of the algorithms being illustrated (program reusability). After a theoretical overview, we explain our architecture by giving an example of an application.</langstring></description>
295: <keywords>
296: <langstring lang="en">
297: Design
298: </langstring>
299: <langstring lang="en">
300: Theory
301: </langstring>
302: </keywords>
303: </general>
304: <lifecycle>
305: <status><langstring lang="en">Final</langstring></status>
306: <contribute>
307: <role><langstring lang="en">Author</langstring></role>
308: <centity>
309: <vcard>
310: BEGIN:vCard
311: FN:Abdulmotaleb El Saddik
312: N:El Saddik;Abdulmotaleb
313: EMAIL;INTERNET:-
314: END:vCard
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317: <date>
318: <datetime>2001-08-21</datetime>
319: </date>
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321: <contribute>
322: <role><langstring lang="en">Author</langstring></role>
323: <centity>
324: <vcard>
325: BEGIN:vCard
326: FN:Stephan Fischer
327: N:Fischer;Stephan
328: EMAIL;INTERNET:-
329: END:vCard
330: </vcard>
331: </centity>
332: <date>
333: <datetime>2001-08-21</datetime>
334: </date>
335: </contribute>
336: <contribute>
337: <role><langstring lang="en">Author</langstring></role>
338: <centity>
339: <vcard>
340: BEGIN:vCard
341: FN:Ralf Steinmetz
342: N:Steinmetz;Ralf
343: EMAIL;INTERNET:-
344: END:vCard
345: </vcard>
346: </centity>
347: <date>
348: <datetime>2001-08-21</datetime>
349: </date>
350: </contribute>
351: </lifecycle>
352: <metametadata>
353: <contribute>
354: <role><langstring lang="en">Contributor</langstring></role>
355: <centity>
356: <vcard>
357: BEGIN:vCard
358: FN:Hussein Suleman
359: N:Suleman;Hussein
360: EMAIL;INTERNET:hussein@vt.edu
361: ORG:;
362: END:vCard
363: </vcard>
364: </centity>
365: <date>
366: <datetime>2001-08-21</datetime>
367: </date>
368: </contribute>
369: <language>en-US</language>
370: </metametadata>
371: <technical>
372: <format>text/html</format>
373: <location type="URI">
374: http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=158
375: </location>
376: </technical>
377: <educational>
378: <intendedenduserrole><langstring lang="en">Learner</langstring></intendedenduserrole>
379: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
380: <learningcontext><langstring lang="en">Higher Education</langstring></learningcontext>
381: <learningcontext><langstring lang="en">Secondary Education</langstring></learningcontext>
382: </educational>
383: <rights>
384: <description><langstring lang="en"></langstring></description>
385: </rights>
386: <classification>
387: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
388: <taxonpath>
389: <source>ACM Computer Science Curriculum</source>
390: <taxon>
391: <entry><langstring lang="en">Software Methodology and Engineering</langstring></entry>
392: </taxon>
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394: <description><langstring lang="en">The type of class that this resource is best suited for</langstring></description>
395: </classification>
396: <classification>
397: <purpose><langstring lang="en">Discipline</langstring></purpose>
398: <taxonpath>
399: <source>ACM Computing Classification System</source>
400: <taxon>
401: <entry><langstring lang="en">Information Systems</langstring></entry>
402: </taxon>
403: <taxon>
404: <entry><langstring lang="en">Information Interfaces and Presentation</langstring></entry>
405: </taxon>
406: </taxonpath>
407: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
408: </classification>
409: <classification>
410: <purpose><langstring lang="en">Discipline</langstring></purpose>
411: <taxonpath>
412: <source>ACM Computing Classification System</source>
413: <taxon>
414: <entry><langstring lang="en">Computing Milieux</langstring></entry>
415: </taxon>
416: <taxon>
417: <entry><langstring lang="en">Computers and Education</langstring></entry>
418: </taxon>
419: </taxonpath>
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427: <identifier>oai:CSTC:103</identifier>
428: <datestamp>2001-09-06</datestamp>
429: </header>
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431: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
432: <general>
433: <title><langstring lang="en">Turing Machine Applet</langstring></title>
434: <catalogentry>
435: <catalogue>CSTC</catalogue>
436: <entry><langstring lang="en">103</langstring></entry>
437: </catalogentry>
438: <description><langstring lang="en"> The following Java applet animates a Turing Machine that can add or multiply numbers. The animation shows the flow of events in the calculation (the writing and reading of symbols on an endless tape) and the decision rules used to process each step in the calculation.</langstring></description>
439: <keywords>
440: <langstring lang="en">
441: turing
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444: machine
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446: <langstring lang="en">
447: addition
448: </langstring>
449: <langstring lang="en">
450: multiplication
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456: <contribute>
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460: BEGIN:vCard
461: FN:Alan Sommerer
462: N:Sommerer;Alan
463: EMAIL;INTERNET:forrest@warthman.com
464: END:vCard
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468: <datetime>2001-09-06</datetime>
469: </date>
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471: <contribute>
472: <role><langstring lang="en">Author</langstring></role>
473: <centity>
474: <vcard>
475: BEGIN:vCard
476: FN:Forrest Warthman
477: N:Warthman;Forrest
478: EMAIL;INTERNET:forrest@warthman.com
479: END:vCard
480: </vcard>
481: </centity>
482: <date>
483: <datetime>2001-09-06</datetime>
484: </date>
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486: </lifecycle>
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488: <contribute>
489: <role><langstring lang="en">Contributor</langstring></role>
490: <centity>
491: <vcard>
492: BEGIN:vCard
493: FN:Vikram Narula
494: N:Narula;Vikram
495: EMAIL;INTERNET:vnarula@vt.edu
496: ORG:Virginia Tech;CS
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501: <datetime>2001-09-06</datetime>
502: </date>
503: </contribute>
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505: </metametadata>
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507: <format>text/html</format>
508: <location type="URI">
509: http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=103
510: </location>
511: </technical>
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513: <intendedenduserrole><langstring lang="en">Learner</langstring></intendedenduserrole>
514: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
515: <learningcontext><langstring lang="en">Higher Education</langstring></learningcontext>
516: <learningcontext><langstring lang="en">Secondary Education</langstring></learningcontext>
517: </educational>
518: <rights>
519: <copyrightandotherrestrictions><langstring lang="en">yes</langstring></copyrightandotherrestrictions>
520: <description><langstring lang="en">Copyright © 1996-2001 Warthman Associates. All rights reserved.</langstring></description>
521: </rights>
522: <classification>
523: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
524: <taxonpath>
525: <source>ACM Computer Science Curriculum</source>
526: <taxon>
527: <entry><langstring lang="en">Numerical and Symbolic Computation</langstring></entry>
528: </taxon>
529: </taxonpath>
530: <description><langstring lang="en">The type of class that this resource is best suited for</langstring></description>
531: </classification>
532: <classification>
533: <purpose><langstring lang="en">Discipline</langstring></purpose>
534: <taxonpath>
535: <source>ACM Computing Classification System</source>
536: <taxon>
537: <entry><langstring lang="en">Theory of Computation</langstring></entry>
538: </taxon>
539: <taxon>
540: <entry><langstring lang="en">Computation by Abstract Devices</langstring></entry>
541: </taxon>
542: </taxonpath>
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544: </classification>
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548: <record>
549: <header>
550: <identifier>oai:CSTC:52</identifier>
551: <datestamp>2001-08-21</datestamp>
552: </header>
553: <metadata>
554: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
555: <general>
556: <title><langstring lang="en">Sparse Matrix - A Case Study in Layered Abstraction</langstring></title>
557: <catalogentry>
558: <catalogue>CSTC</catalogue>
559: <entry><langstring lang="en">52</langstring></entry>
560: </catalogentry>
561: <language>English</language>
562: <description><langstring lang="en"> In the described laboratory assignment, the mechanism of the sparse matrix
563: is an array (row index) of linked lists storing only the nonzero values
564: within a row, together with the column index of the saved element. The
565: educational goals of the described lab are to (1) gain appreciation of,
566: and experience with, a layered approach to the implementation of a
567: relatively complex structure; (2) stress the distinction and separation
568: between the public interface (as seen by the client, or user of a class)
569: and the implementation; and (3) stress the importance of designing a
570: clear, complete, and intuitive public interface to a class.</langstring></description>
571: <keywords>
572: <langstring lang="en">
573: data structures
574: </langstring>
575: <langstring lang="en">
576: abstraction
577: </langstring>
578: <langstring lang="en">
579: sparse matrix
580: </langstring>
581: </keywords>
582: </general>
583: <lifecycle>
584: <status><langstring lang="en">Final</langstring></status>
585: <contribute>
586: <role><langstring lang="en">Author</langstring></role>
587: <centity>
588: <vcard>
589: BEGIN:vCard
590: FN:Thomas Hain
591: N:Hain;Thomas
592: EMAIL;INTERNET:HAIN@go.cis.usouthal.edu
593: END:vCard
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595: </centity>
596: <date>
597: <datetime>2001-08-21</datetime>
598: </date>
599: </contribute>
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603: <role><langstring lang="en">Contributor</langstring></role>
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606: BEGIN:vCard
607: FN:Thomas Hain
608: N:Hain;Thomas
609: EMAIL;INTERNET:HAIN@go.cis.usouthal.edu
610: ORG:University of South Alabama;School of Computer & Info Sciences
611: END:vCard
612: </vcard>
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614: <date>
615: <datetime>2001-08-21</datetime>
616: </date>
617: </contribute>
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620: <technical>
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1826: <type><langstring lang="en">Programming Language</langstring></type>
1827: <name><langstring lang="en">Java</langstring></name>
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1829: </technical>
1830: <educational>
1831: <intendedenduserrole><langstring lang="en">Learner</langstring></intendedenduserrole>
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1833: <learningcontext><langstring lang="en">Higher Education</langstring></learningcontext>
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1841: <taxonpath>
1842: <source>ACM Computer Science Curriculum</source>
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1849: <classification>
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1851: <taxonpath>
1852: <source>ACM Computing Classification System</source>
1853: <taxon>
1854: <entry><langstring lang="en">Computing Methodologies</langstring></entry>
1855: </taxon>
1856: <taxon>
1857: <entry><langstring lang="en">Computer Graphics</langstring></entry>
1858: </taxon>
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1867: <identifier>oai:CSTC:46</identifier>
1868: <datestamp>1999-05-12</datestamp>
1869: </header>
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1871: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
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1873: <title><langstring lang="en">An Investigation of Disk Scheduling Algorithms</langstring></title>
1874: <catalogentry>
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1876: <entry><langstring lang="en">46</langstring></entry>
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1879: <description><langstring lang="en"> Students study a program that simulates disk scheduling algorithms and answer questions about it. Students run the program, collect results, graph the results, and answer questions about the algorithms. The two algorithms used are FCFS and SSTF.</langstring></description>
1880: <keywords>
1881: <langstring lang="en">
1882: disk scheduling
1883: </langstring>
1884: <langstring lang="en">
1885: operating systems
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1887: </keywords>
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1890: <status><langstring lang="en">Final</langstring></status>
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1894: <vcard>
1895: BEGIN:vCard
1896: FN:Daniel Joyce
1897: N:Joyce;Daniel
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1899: END:vCard
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1903: <datetime>1999-05-12</datetime>
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1913: FN:Daniel Joyce
1914: N:Joyce;Daniel
1915: EMAIL;INTERNET:joyce@vill.edu
1916: ORG:Villinova University;
1917: END:vCard
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1920: <date>
1921: <datetime>1999-05-12</datetime>
1922: </date>
1923: </contribute>
1924: <language>en-US</language>
1925: </metametadata>
1926: <technical>
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1928: <location type="URI">
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1930: </location>
1931: <requirements>
1932: <type><langstring lang="en">Programming Language</langstring></type>
1933: <name><langstring lang="en">Pascal</langstring></name>
1934: </requirements>
1935: </technical>
1936: <educational>
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1938: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
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1940: <learningcontext><langstring lang="en">Secondary Education</langstring></learningcontext>
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1945: <classification>
1946: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
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1948: <source>ACM Computer Science Curriculum</source>
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1950: <entry><langstring lang="en">Algorithms and Data Structures</langstring></entry>
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1959: <taxon>
1960: <entry><langstring lang="en">Hardware</langstring></entry>
1961: </taxon>
1962: <taxon>
1963: <entry><langstring lang="en">Control Structures and Microprogramming</langstring></entry>
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1974: <datestamp>1999-09-22</datestamp>
1975: </header>
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1979: <title><langstring lang="en">JFLAP</langstring></title>
1980: <catalogentry>
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1982: <entry><langstring lang="en">72</langstring></entry>
1983: </catalogentry>
1984: <language>English</language>
1985: <description><langstring lang="en"> JFLAP is a package of graphical tools which can be used as an aid in learning the basic concepts of Formal Languages and Automata Theory. The 3.1 version of JFLAP is written in Java using JDK 1.2 and JDK 1.1.5 and contains several new features and bug fixes.
1986: Using JFLAP, one should be able to design and simulate several variations of finite automata (FA), pushdown automata (PDA), one-tape Turing machines (TM) and two-tape Turing machines (TTM). The user draws the transition diagram of the desired automaton and, once the picture is complete, the user enters an input string and then "runs" the automaton, being able to view all the generated configurations. In addition, JFLAP can handle grammars(GRM) and regular expressions(REX).</langstring></description>
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1989: finite automata
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1995:
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1997: <langstring lang="en">
1998: formal langauges
1999: </langstring>
2000: <langstring lang="en">
2001: automata theory
2002: </langstring>
2003: </keywords>
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2010: <vcard>
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2012: FN:Susan Rodger
2013: N:Rodger;Susan
2014: EMAIL;INTERNET:rodger@cs.duke.edu
2015: END:vCard
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2018: <date>
2019: <datetime>1999-09-22</datetime>
2020: </date>
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2027: <vcard>
2028: BEGIN:vCard
2029: FN:Susan Rodger
2030: N:Rodger;Susan
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2036: <date>
2037: <datetime>1999-09-22</datetime>
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2049: <name><langstring lang="en">Java Virtual Machine</langstring></name>
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2051: <requirements>
2052: <type><langstring lang="en">Operating System</langstring></type>
2053: <name><langstring lang="en"></langstring></name>
2054: </requirements>
2055: <requirements>
2056: <type><langstring lang="en">Programming Language</langstring></type>
2057: <name><langstring lang="en">Java</langstring></name>
2058: </requirements>
2059: </technical>
2060: <educational>
2061: <intendedenduserrole><langstring lang="en">Learner</langstring></intendedenduserrole>
2062: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
2063: <learningcontext><langstring lang="en">Higher Education</langstring></learningcontext>
2064: <learningcontext><langstring lang="en">Secondary Education</langstring></learningcontext>
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2068: </rights>
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2070: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
2071: <taxonpath>
2072: <source>ACM Computer Science Curriculum</source>
2073: <taxon>
2074: <entry><langstring lang="en">Programming Languages</langstring></entry>
2075: </taxon>
2076: </taxonpath>
2077: <description><langstring lang="en">The type of class that this resource is best suited for</langstring></description>
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2079: <classification>
2080: <purpose><langstring lang="en">Discipline</langstring></purpose>
2081: <taxonpath>
2082: <source>ACM Computing Classification System</source>
2083: <taxon>
2084: <entry><langstring lang="en">Theory of Computation</langstring></entry>
2085: </taxon>
2086: <taxon>
2087: <entry><langstring lang="en">General</langstring></entry>
2088: </taxon>
2089: </taxonpath>
2090: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
2091: </classification>
2092: <classification>
2093: <purpose><langstring lang="en">Discipline</langstring></purpose>
2094: <taxonpath>
2095: <source>ACM Computing Classification System</source>
2096: <taxon>
2097: <entry><langstring lang="en">Software</langstring></entry>
2098: </taxon>
2099: <taxon>
2100: <entry><langstring lang="en">Programming Languages</langstring></entry>
2101: </taxon>
2102: </taxonpath>
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2105: </record>
2106: </metadata>
2107: </record>
2108: <record>
2109: <header>
2110: <identifier>oai:CSTC:105</identifier>
2111: <datestamp>2001-09-06</datestamp>
2112: </header>
2113: <metadata>
2114: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
2115: <general>
2116: <title><langstring lang="en">Pentium III and Pentium Pro Microprocessor</langstring></title>
2117: <catalogentry>
2118: <catalogue>CSTC</catalogue>
2119: <entry><langstring lang="en">105</langstring></entry>
2120: </catalogentry>
2121: <description><langstring lang="en"> The following Java applet animates the hardware signal timing used in various bus operations by Pentium III and Pentium Pro microprocessors. Animation of signal timing has important advantages over conventional data-sheet timing diagrams</langstring></description>
2122: <keywords>
2123: <langstring lang="en">
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2125: </langstring>
2126: <langstring lang="en">
2127: microprocessor
2128: </langstring>
2129: <langstring lang="en">
2130: hardware
2131: </langstring>
2132: <langstring lang="en">
2133: signal
2134: </langstring>
2135: <langstring lang="en">
2136: timing
2137: </langstring>
2138: </keywords>
2139: </general>
2140: <lifecycle>
2141: <status><langstring lang="en">Final</langstring></status>
2142: <contribute>
2143: <role><langstring lang="en">Author</langstring></role>
2144: <centity>
2145: <vcard>
2146: BEGIN:vCard
2147: FN:Forrest Warthman
2148: N:Warthman;Forrest
2149: EMAIL;INTERNET:forrest@warthman.com
2150: END:vCard
2151: </vcard>
2152: </centity>
2153: <date>
2154: <datetime>2001-09-06</datetime>
2155: </date>
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2158: <metametadata>
2159: <contribute>
2160: <role><langstring lang="en">Contributor</langstring></role>
2161: <centity>
2162: <vcard>
2163: BEGIN:vCard
2164: FN:Vikram Narula
2165: N:Narula;Vikram
2166: EMAIL;INTERNET:vnarula@vt.edu
2167: ORG:Virginia Tech;CS
2168: END:vCard
2169: </vcard>
2170: </centity>
2171: <date>
2172: <datetime>2001-09-06</datetime>
2173: </date>
2174: </contribute>
2175: <language>en-US</language>
2176: </metametadata>
2177: <technical>
2178: <format>text/html</format>
2179: <location type="URI">
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2182: </technical>
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2185: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
2186: <learningcontext><langstring lang="en">Higher Education</langstring></learningcontext>
2187: <learningcontext><langstring lang="en">Secondary Education</langstring></learningcontext>
2188: </educational>
2189: <rights>
2190: <copyrightandotherrestrictions><langstring lang="en">yes</langstring></copyrightandotherrestrictions>
2191: <description><langstring lang="en">Copyright © 1996-2001 Warthman Associates. All rights reserved.</langstring></description>
2192: </rights>
2193: <classification>
2194: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
2195: <taxonpath>
2196: <source>ACM Computer Science Curriculum</source>
2197: <taxon>
2198: <entry><langstring lang="en">Architecture Methods</langstring></entry>
2199: </taxon>
2200: </taxonpath>
2201: <description><langstring lang="en">The type of class that this resource is best suited for</langstring></description>
2202: </classification>
2203: <classification>
2204: <purpose><langstring lang="en">Discipline</langstring></purpose>
2205: <taxonpath>
2206: <source>ACM Computing Classification System</source>
2207: <taxon>
2208: <entry><langstring lang="en">Computer Systems Organization</langstring></entry>
2209: </taxon>
2210: <taxon>
2211: <entry><langstring lang="en">Processor Architectures</langstring></entry>
2212: </taxon>
2213: </taxonpath>
2214: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
2215: </classification>
2216: </record>
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2218: </record>
2219: <record>
2220: <header>
2221: <identifier>oai:CSTC:76</identifier>
2222: <datestamp>2001-09-06</datestamp>
2223: </header>
2224: <metadata>
2225: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
2226: <general>
2227: <title><langstring lang="en">TRY: automated testing of student programs</langstring></title>
2228: <catalogentry>
2229: <catalogue>CSTC</catalogue>
2230: <entry><langstring lang="en">76</langstring></entry>
2231: </catalogentry>
2232: <language>English</language>
2233: <description><langstring lang="en"> The Try system, which runs under Unix, allows students to test their programs in a controlled manner with the instructor's test data, while keeping the data itself hidden from the student.</langstring></description>
2234: <keywords>
2235: <langstring lang="en">
2236: testing
2237: </langstring>
2238: <langstring lang="en">
2239: student work
2240: </langstring>
2241: <langstring lang="en">
2242: on-line
2243: </langstring>
2244: <langstring lang="en">
2245: submission
2246: </langstring>
2247: <langstring lang="en">
2248: archiving
2249: </langstring>
2250: <langstring lang="en">
2251: Unix
2252: </langstring>
2253: </keywords>
2254: </general>
2255: <lifecycle>
2256: <status><langstring lang="en">Final</langstring></status>
2257: <contribute>
2258: <role><langstring lang="en">Author</langstring></role>
2259: <centity>
2260: <vcard>
2261: BEGIN:vCard
2262: FN:Kenneth Reek
2263: N:Reek;Kenneth
2264: EMAIL;INTERNET:kar@cs.rit.edu
2265: END:vCard
2266: </vcard>
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2268: <date>
2269: <datetime>2001-09-06</datetime>
2270: </date>
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2274: <contribute>
2275: <role><langstring lang="en">Contributor</langstring></role>
2276: <centity>
2277: <vcard>
2278: BEGIN:vCard
2279: FN:Kenneth Reek
2280: N:Reek;Kenneth
2281: EMAIL;INTERNET:kar@cs.rit.edu
2282: ORG:Rochester Institute of Technology;Computer Science
2283: END:vCard
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2286: <date>
2287: <datetime>2001-09-06</datetime>
2288: </date>
2289: </contribute>
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2294: <location type="URI">
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2298: <type><langstring lang="en">Platform</langstring></type>
2299: <name><langstring lang="en">SGI, Sun Sparc, </langstring></name>
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2302: <type><langstring lang="en">Operating System</langstring></type>
2303: <name><langstring lang="en">UNIX</langstring></name>
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2305: <requirements>
2306: <type><langstring lang="en">Programming Language</langstring></type>
2307: <name><langstring lang="en">C</langstring></name>
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2311: <intendedenduserrole><langstring lang="en">Learner</langstring></intendedenduserrole>
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2313: <learningcontext><langstring lang="en">Higher Education</langstring></learningcontext>
2314: <learningcontext><langstring lang="en">Secondary Education</langstring></learningcontext>
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2317: <description><langstring lang="en"></langstring></description>
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2320: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
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2324: <entry><langstring lang="en">Human-Computer Communication</langstring></entry>
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2331: <taxonpath>
2332: <source>ACM Computing Classification System</source>
2333: <taxon>
2334: <entry><langstring lang="en">Software</langstring></entry>
2335: </taxon>
2336: <taxon>
2337: <entry><langstring lang="en">Miscellaneous</langstring></entry>
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2345: <record>
2346: <header>
2347: <identifier>oai:CSTC:94</identifier>
2348: <datestamp>2000-09-26</datestamp>
2349: </header>
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2353: <title><langstring lang="en">Simulation of the 1-Dimensional Discrete Cosine and Fourier Transforms</langstring></title>
2354: <catalogentry>
2355: <catalogue>CSTC</catalogue>
2356: <entry><langstring lang="en">94</langstring></entry>
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2359: <description><langstring lang="en"> This applet belongs to the context of Multimedia or Signal Procesing. It simulates the one dimensional discrete cosine transform and the one dimensional discrete Fourier transform. Both transforms are a basis for modern signal processing algorithms like the JPEG image compression standard. When confronted with the mathematical formulas, most students show difficulties in understanding the notion of "time domain" and "frequency domain", or of "superposition of different frequencies". The applet simulates the transformation of a 1 dimensional signal. The amplitudes of the different frequency components can be modified, and the effect on the signal will get clearer. The user interface of the applet has been built to stimulate the user to play around with the tool. The applet is highly interactive and very flexible. One can choose between a number of given input signals or the user can build a signal by himself. Of course, a solution for every input is provided.</langstring></description>
2360: <keywords>
2361: <langstring lang="en">
2362: Applet
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2364: <langstring lang="en">
2365: Simulation
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2367: <langstring lang="en">
2368: 1-D DCT
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2370: <langstring lang="en">
2371: 1-D DFT
2372: </langstring>
2373: <langstring lang="en">
2374: Transform
2375: </langstring>
2376: </keywords>
2377: </general>
2378: <lifecycle>
2379: <status><langstring lang="en">Final</langstring></status>
2380: <contribute>
2381: <role><langstring lang="en">Author</langstring></role>
2382: <centity>
2383: <vcard>
2384: BEGIN:vCard
2385: FN:Claudia Schremmer
2386: N:Schremmer;Claudia
2387: EMAIL;INTERNET:schremmer@informatik.uni-mannheim.de
2388: END:vCard
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2390: </centity>
2391: <date>
2392: <datetime>2000-09-26</datetime>
2393: </date>
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2395: <contribute>
2396: <role><langstring lang="en">Author</langstring></role>
2397: <centity>
2398: <vcard>
2399: BEGIN:vCard
2400: FN:Christoph Kuhmuench
2401: N:Kuhmuench;Christoph
2402: EMAIL;INTERNET:kuhmuench@informatik.uni-mannheim.de
2403: END:vCard
2404: </vcard>
2405: </centity>
2406: <date>
2407: <datetime>2000-09-26</datetime>
2408: </date>
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2926: for video (Motion JPEG, H.261, H.263) are based on the Discrete Cosine Transform (DCT) which splits an image up into blocks of 8x8 pixels. Our applet tries to clear out the problems with the 2 dimensional DCT by invoking the "play instinct" of students: The user can chose discrete 8x8 (2-D) input values in the range 0 to 255 for the grey value of the pixels. In the
2927: frequency domain, rulers allow to adjust the amplitudes of the different frequencies. A backward transform plots the resulting grey values from the chosen ampitudes over the initial input values. The task is to find the "correct" amplitudes in the frequency domain to recover the initial signal. Of course, we have included a solution to the problem...</langstring></description>
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4360: <description><langstring lang="en"> The pattern matching applet is an interactive demonstration of the Knuth-Morris-Pratt and Boyer-Moore string matching algorithms.</langstring></description>
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4364: </langstring>
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4388: BEGIN:vCard
4389: FN:Roberto Tamassia
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4483: <entry><langstring lang="en">121</langstring></entry>
4484: </catalogentry>
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4703: tree
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4711: <status><langstring lang="en">Final</langstring></status>
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4735: END:vCard
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5966: <language>English</language>
5967: <description><langstring lang="en"> This research project entails designing, specifying, coding, testing, debugging, and documenting different implementations of an undirected graph component for the RESOLVE/C++ Component Catalog. Each version uses the same abstract model to represent the state of an undirected graph and the same kernel operations to manipulate the state of that undirected graph. The implementation strategy changes for each version. The first five versions utilize the "classic" strategies (adjacency list, adjacency matrix, and edge list) in a variety of ways. The final version employs a novel data structure
5968: that allows each operation to execute in constant time, which dominates the other strategies.</langstring></description>
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5970: <langstring lang="en">
5971: 2001 ACM International Student Research Contest
5972: </langstring>
5973: <langstring lang="en">
5974: 3rd place Undergraduate
5975: </langstring>
5976: <langstring lang="en">
5977: graphs
5978: </langstring>
5979: <langstring lang="en">
5980: components
5981: </langstring>
5982: </keywords>
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5990: BEGIN:vCard
5991: FN:Shawn Craft
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6030: <requirements>
6031: <type><langstring lang="en">Operating System</langstring></type>
6032: <name><langstring lang="en">Windows 95/98, Windows NT</langstring></name>
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6046: <taxonpath>
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6048: <taxon>
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6068: <taxon>
6069: <entry><langstring lang="en">Software</langstring></entry>
6070: </taxon>
6071: <taxon>
6072: <entry><langstring lang="en">Programming Techniques</langstring></entry>
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6107: <taxon>
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6124: <entry><langstring lang="en">Analysis of Algorithms and Problem Complexity</langstring></entry>
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6141: <catalogentry>
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6143: <entry><langstring lang="en">140</langstring></entry>
6144: </catalogentry>
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6146: <description><langstring lang="en"> Consumer-level computer hardware is quickly growing in its capability to handle high quality three-dimensional graphics in real time. Three-dimensional graphics programming is also quickly becoming the standard for data visualization and entertainment media. This project serves to explore different techniques and approaches for programming in three dimensions, and manifests them in a virtual world that can be rendered and navigated in real time.</langstring></description>
6147: <keywords>
6148: <langstring lang="en">
6149: 2001 CCSCNE Student Research Poster Contest
6150: </langstring>
6151: <langstring lang="en">
6152: 2st place Undergraduate
6153: </langstring>
6154: <langstring lang="en">
6155: graphics
6156: </langstring>
6157: <langstring lang="en">
6158: computer graphics
6159: </langstring>
6160: <langstring lang="en">
6161: simulation
6162: </langstring>
6163: <langstring lang="en">
6164: computer game
6165: </langstring>
6166: <langstring lang="en">
6167: 3d
6168: </langstring>
6169: <langstring lang="en">
6170: three-dimensional
6171: </langstring>
6172: <langstring lang="en">
6173: virtual
6174: </langstring>
6175: <langstring lang="en">
6176: world
6177: </langstring>
6178: </keywords>
6179: </general>
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6190: END:vCard
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6192: </centity>
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6194: <datetime>2001-09-06</datetime>
6195: </date>
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6224: <name><langstring lang="en">PC</langstring></name>
6225: </requirements>
6226: <requirements>
6227: <type><langstring lang="en">Operating System</langstring></type>
6228: <name><langstring lang="en">Windows 95/98</langstring></name>
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6230: <requirements>
6231: <type><langstring lang="en">Programming Language</langstring></type>
6232: <name><langstring lang="en">C++</langstring></name>
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6268: <taxon>
6269: <entry><langstring lang="en">Computing Methodologies</langstring></entry>
6270: </taxon>
6271: <taxon>
6272: <entry><langstring lang="en">Computer Graphics</langstring></entry>
6273: </taxon>
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6277: <classification>
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6279: <taxonpath>
6280: <source>ACM Computing Classification System</source>
6281: <taxon>
6282: <entry><langstring lang="en">Computing Methodologies</langstring></entry>
6283: </taxon>
6284: <taxon>
6285: <entry><langstring lang="en">Simulation and Modeling</langstring></entry>
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6292: </record>
6293: <record>
6294: <header>
6295: <identifier>oai:CSTC:141</identifier>
6296: <datestamp>2001-09-06</datestamp>
6297: </header>
6298: <metadata>
6299: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
6300: <general>
6301: <title><langstring lang="en">Ast and secure distributed read-only file system</langstring></title>
6302: <catalogentry>
6303: <catalogue>CSTC</catalogue>
6304: <entry><langstring lang="en">141</langstring></entry>
6305: </catalogentry>
6306: <language>English</language>
6307: <description><langstring lang="en"> The self-certifying read-only file system enables secure distribution
6308: of public, read-only content. It is similar to anonymous FTP or the
6309: Web, except that it serves integrity-protected content. That is, an
6310: adversary cannot trick a user into accepting unauthentic content. The
6311: read-only file system pushes the cost of cryptography entirely onto
6312: clients, allowing servers to scale to many clients. To publish
6313: content, an administrator creates off-line a signed database of a
6314: local file system. Untrusted replicas then serve the content to
6315: clients. We demonstrate how to use the read-only file system to
6316: implement certificate authorities and securely distribute software.</langstring></description>
6317: <keywords>
6318: <langstring lang="en">
6319: security
6320: </langstring>
6321: <langstring lang="en">
6322: file systems
6323: </langstring>
6324: <langstring lang="en">
6325: cryptography
6326: </langstring>
6327: <langstring lang="en">
6328:
6329: </langstring>
6330: <langstring lang="en">
6331: hash trees
6332: </langstring>
6333: </keywords>
6334: </general>
6335: <lifecycle>
6336: <status><langstring lang="en">Final</langstring></status>
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6338: <role><langstring lang="en">Author</langstring></role>
6339: <centity>
6340: <vcard>
6341: BEGIN:vCard
6342: FN:Kevin Fu
6343: N:Fu;Kevin
6344: EMAIL;INTERNET:fubob@mit.edu
6345: END:vCard
6346: </vcard>
6347: </centity>
6348: <date>
6349: <datetime>2001-09-06</datetime>
6350: </date>
6351: </contribute>
6352: <contribute>
6353: <role><langstring lang="en">Author</langstring></role>
6354: <centity>
6355: <vcard>
6356: BEGIN:vCard
6357: FN:Frans Kaashoek
6358: N:Kaashoek;Frans
6359: EMAIL;INTERNET:kaashoek@lcs.mit.edu
6360: END:vCard
6361: </vcard>
6362: </centity>
6363: <date>
6364: <datetime>2001-09-06</datetime>
6365: </date>
6366: </contribute>
6367: <contribute>
6368: <role><langstring lang="en">Author</langstring></role>
6369: <centity>
6370: <vcard>
6371: BEGIN:vCard
6372: FN:David Mazieres
6373: N:Mazieres;David
6374: EMAIL;INTERNET:dm@cs.nyu.edu
6375: END:vCard
6376: </vcard>
6377: </centity>
6378: <date>
6379: <datetime>2001-09-06</datetime>
6380: </date>
6381: </contribute>
6382: </lifecycle>
6383: <metametadata>
6384: <contribute>
6385: <role><langstring lang="en">Contributor</langstring></role>
6386: <centity>
6387: <vcard>
6388: BEGIN:vCard
6389: FN:Kevin Fu
6390: N:Fu;Kevin
6391: EMAIL;INTERNET:fubob@mit.edu
6392: ORG:MIT;
6393: END:vCard
6394: </vcard>
6395: </centity>
6396: <date>
6397: <datetime>2001-09-06</datetime>
6398: </date>
6399: </contribute>
6400: <language>en-US</language>
6401: </metametadata>
6402: <technical>
6403: <format>text/html</format>
6404: <location type="URI">
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6406: </location>
6407: <requirements>
6408: <type><langstring lang="en">Platform</langstring></type>
6409: <name><langstring lang="en">Alpha, PC, Sun Sparc</langstring></name>
6410: </requirements>
6411: <requirements>
6412: <type><langstring lang="en">Operating System</langstring></type>
6413: <name><langstring lang="en">UNIX</langstring></name>
6414: </requirements>
6415: <requirements>
6416: <type><langstring lang="en">Programming Language</langstring></type>
6417: <name><langstring lang="en">C++</langstring></name>
6418: </requirements>
6419: </technical>
6420: <educational>
6421: <intendedenduserrole><langstring lang="en">Learner</langstring></intendedenduserrole>
6422: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
6423: <learningcontext><langstring lang="en">Higher Education</langstring></learningcontext>
6424: <learningcontext><langstring lang="en">Secondary Education</langstring></learningcontext>
6425: </educational>
6426: <rights>
6427: <copyrightandotherrestrictions><langstring lang="en">yes</langstring></copyrightandotherrestrictions>
6428: <description><langstring lang="en">system is open-source. poster includes images which may or may not be subject to fair use.</langstring></description>
6429: </rights>
6430: <classification>
6431: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
6432: <taxonpath>
6433: <source>ACM Computer Science Curriculum</source>
6434: <taxon>
6435: <entry><langstring lang="en">Operating Systems</langstring></entry>
6436: </taxon>
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6440: <classification>
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6442: <taxonpath>
6443: <source>ACM Computing Classification System</source>
6444: <taxon>
6445: <entry><langstring lang="en">Data</langstring></entry>
6446: </taxon>
6447: <taxon>
6448: <entry><langstring lang="en">Data Encryption</langstring></entry>
6449: </taxon>
6450: </taxonpath>
6451: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
6452: </classification>
6453: <classification>
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6455: <taxonpath>
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6457: <taxon>
6458: <entry><langstring lang="en">Data</langstring></entry>
6459: </taxon>
6460: <taxon>
6461: <entry><langstring lang="en">Files</langstring></entry>
6462: </taxon>
6463: </taxonpath>
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6465: </classification>
6466: </record>
6467: </metadata>
6468: </record>
6469: <record>
6470: <header>
6471: <identifier>oai:CSTC:142</identifier>
6472: <datestamp>2001-09-06</datestamp>
6473: </header>
6474: <metadata>
6475: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
6476: <general>
6477: <title><langstring lang="en">The Old World Meets the New: Utilizing Java Technology to Re-vitalize and Enhance NASA Scientific Legacy Code</langstring></title>
6478: <catalogentry>
6479: <catalogue>CSTC</catalogue>
6480: <entry><langstring lang="en">142</langstring></entry>
6481: </catalogentry>
6482: <language>English</language>
6483: <description><langstring lang="en"> A general purpose client/server architecture has been developed to effect the modernization of legacy code. This technique utilizes platform independent graphical user interfaces and interactive visualizations. The client/server configuration exploits a content-taggable data stream which allows seamless integration with the legacy application. This allows the client to orchestrate the collection of data in a more graphically interactive manner than was present in the original legacy interface. Application of this architecture to a NASA Global Scientific Model was demonstrated. The enhanced model incorporating this architecture will support data interpretation for NASAs TIMED satellite mission, including distributed investigations managed via a remote server.</langstring></description>
6484: <keywords>
6485: <langstring lang="en">
6486: 2001 ACM International Student Research Contest
6487: </langstring>
6488: <langstring lang="en">
6489: first Place Undergraduate
6490: </langstring>
6491: <langstring lang="en">
6492: 1st Place Undergraduate
6493: </langstring>
6494: <langstring lang="en">
6495: Java
6496: </langstring>
6497: <langstring lang="en">
6498: Distributed
6499: </langstring>
6500: <langstring lang="en">
6501: Application Wrapper
6502: </langstring>
6503: <langstring lang="en">
6504: Visualization
6505: </langstring>
6506: <langstring lang="en">
6507: Legacy
6508: </langstring>
6509: <langstring lang="en">
6510: Modernization
6511: </langstring>
6512: </keywords>
6513: </general>
6514: <lifecycle>
6515: <status><langstring lang="en">Final</langstring></status>
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6521: FN:Michael Elder
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6523: EMAIL;INTERNET:michael.elder@acm.org
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6528: <datetime>2001-09-06</datetime>
6529: </date>
6530: </contribute>
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6532: <metametadata>
6533: <contribute>
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6537: BEGIN:vCard
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6547: </date>
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6554: http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=142
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6577: <description><langstring lang="en">Copyright (C) 2001 by Michael D. Elder</langstring></description>
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6616: <entry><langstring lang="en">157</langstring></entry>
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6619: <description><langstring lang="en"> Computer networks and distribute systems are characterized by highly dynamic, concurrent, and complex processes. Thus, training in this area requires great effort from both teachers and learners.
6620: Teachers are disatisfied with available methods for presentation, explanation, and exercises, and they
6621: are looking for better methods to support learners.
6622: We have developed and architecture called Highly interactive simulation of algorithms and Protocols (HiSAP), consisting of a framework to build simulations and generate applets from formally specified algorithms or protocols. By modifying this specification and observing the resulting behavior, teaching and learning in a constructive manner is enabled. The framework is open to plug-in tools to show various aspects of HiSAP's behavior.
6623: We present the results of some experiments with HiSAP at three different lectures for graduate students of distributed systems and computer networks.</langstring></description>
6624: <keywords>
6625: <langstring lang="en">
6626: interactive learning
6627: </langstring>
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6986: <title><langstring lang="en">Empirical Study of Course Scheduling Methods</langstring></title>
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6989: <entry><langstring lang="en">148</langstring></entry>
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6991: <language>English</language>
6992: <description><langstring lang="en"> Authors: Prakash Ojha Abigail Walker Jennifer Wanner
6993: Hope College Xavier University
6994: Computer Science Mathematics and Computer Science
6995: Holland MI 49423 Cincinnati OH 45207-4441
6996: ojha@cs.hope.edu awalker@cerebro.xu.edu wanner@cerebro.xu.edu
6997: Research advisor: Gary Lewandowski, Xavier University,
6998: lewandow@cerebro.xu.edu
6999: Poster Title: Empirical Study of Course Scheduling Methods
7000: Category: Undergraduate
7001: Extended Abstract:
7002: Problem and Motivation
7003: Course scheduling involves building a timetable for courses such that
7004: the students who want to take courses can successfully take every
7005: course they would like. There are many variations to this problem,
7006: including inclusion of faculty constraints, room constraints, and
7007: multiple sections. The problem is known to be NP-Complete, thus many
7008: researchers have worked on approximation solutions to the problem.
7009: Researchers have generally focused on one solution method, one
7010: unique version of the problem definition, and one set of data based on
7011: local needs. This localization of the problem has resulted in many
7012: studies but no general consensus of the best method available.
7013: In this study, we explore several methods from the literature on a single
7014: definition of the problem, and on a common set of data. Our goals are
7015: two-fold. First, we provide a problem statement, data, and a random
7016: data generator to facilitate easy benchmarking of methods and techniques.
7017: Second, we explore the best method for those who may be non-experts
7018: and need to schedule courses.
7019: Background and Related Work
7020: While a great deal of research has been done on scheduling methods,
7021: our study concentrates on two of the most promising efforts:
7022: iterative improvement and linear programming. Iterative improvement
7023: methods for scheduling including faculty constraints have been studied
7024: in particular by Glover [3], and Chahal and DeWerra [1]. Hertz's use
7025: of Tabu search considers many different constraints [4]; we have
7026: adopted many of these constraints in our benchmark formulation of the
7027: problem. Our modification to the problem and our new data provides a
7028: different testbed for this algorithm and allows it to be compared
7029: against other methods. Linear programming allows one to formulate an
7030: equation for the optimal solution to the problem; practical solutions
7031: involving this method are infrequent [2], and do not consider many of
7032: the constraints we consider.
7033: Approach and Uniqueness
7034: We address the problem of comparing results from the literature in two
7035: ways. First, we define one statement of the course scheduling problem,
7036: involving faculty, students, and multiple sections, and adapt several of
7037: the approaches from the literature to this problem. Thus, any comparison
7038: of the approaches will start from the same problem definition. Second,
7039: we provide a random data generator that generates student course
7040: requests in such a way that an optimal solution must exist. Finally, we
7041: have studied five methods for course scheduling in our study: A greedy
7042: algorithm that simply schedules courses to the first available time
7043: (results from this simple method give some idea as to the usefulness
7044: of more complex methods), iterative improvement algorithms following a
7045: hill-climbing philosophy and following a "random improvement" philosophy
7046: in which a solution with a poorer evaluation may be used to continue the
7047: search for an improved solution, linear programming, and an algorithm that
7048: creates a bipartite matching problem for scheduling each student based on
7049: the times available for each course requested.
7050: Our formulation of the course scheduling problem used is as follows:
7051: We are given information about the courses (number of sections,
7052: faculty members teaching the course, times at which the course can be
7053: taught), lists of desired student courses, and the number of timeslots
7054: in which to schedule the courses. Courses are grouped into departments
7055: and for each department we have information on how many courses from
7056: that department may be scheduled concurrently (representing room
7057: availability constraints). The goal of the problem is to build a
7058: timetable and schedule for students' courses minimizing student
7059: conflicts while satisfying constraints on faculty and room availability.
7060: This study provides a repeatable and expandable comparison of scheduling
7061: methods. The algorithms were tested on random data and on data from a
7062: DIMACS benchmark for graph coloring that involves course scheduling.
7063: The generator and benchmark data are publically available, thus other
7064: methods can be tested on the same or very similar data.
7065: Results and Contributions
7066: We have developed a data generator that generates student course requests
7067: given the description of a timetable (the number of courses in the table,
7068: and the number of sections of each course), the section bound for each
7069: course, and the number of schedules desired. The generator builds a random
7070: timetable, and then generates student course requests using a backtracking
7071: technique that ensures the student can get each course requested. Information
7072: on which section the student would attend and the time of each course is
7073: stripped from the data so the data appears real to the algorithms.
7074: We conducted a study of the methods described above on thirteen sets
7075: of randomly generated data. Each method was run five times and we used
7076: the median to compare how close each method comes to scheduling courses
7077: optimally. (The Linear Programming method could not be tested because
7078: our formulation resulted in so many variables that our machines ran out
7079: of memory.)
7080: We have drawn the following conclusions from our empirical study. First,
7081: the greedy algorithm is not competitive with other approximation methods,
7082: meaning the time spent developing and using these methods is worthwhile.
7083: Second, iterative improvement is currently the best practical method for
7084: course scheduling when the courses have only a single section each. Third,
7085: when courses have multiple sections each, bipartite matching is very
7086: competitive with the iterative improvement algorithms while running much
7087: faster.
7088: References
7089: [1] N. Chahal and D. deWerra. An interactive system for constructing
7090: timetables on a PC, European Journal of Operations Research, 40, 1989, 32-37.
7091: [2] T. Franklin, E. Jenkins, and K. Woodson. A case study in scheduling
7092: courses, UMAP Journal, 15, no. 2, 1995, 115-122.
7093: [3] F. Glover, Tabu Search, part 1, ORSA Journal on Computing,1,1989, 190-206.
7094: [4] A. Hertz. Finding a feasible course schedule using tabu search,
7095: Discrete Applied Mathematics, 35, 1992, 255-270.</langstring></description>
7096: <keywords>
7097: <langstring lang="en">
7098: 2001 ACM International Student Research Contest
7099: </langstring>
7100: <langstring lang="en">
7101: 2nd Place Undergraduate
7102: </langstring>
7103: <langstring lang="en">
7104: scheduling
7105: </langstring>
7106: <langstring lang="en">
7107: experimental algorithms
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7125: <datetime>2001-09-06</datetime>
7126: </date>
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7128: <contribute>
7129: <role><langstring lang="en">Author</langstring></role>
7130: <centity>
7131: <vcard>
7132: BEGIN:vCard
7133: FN:Jennifer Rizzo
7134: N:Rizzo;Jennifer
7135: EMAIL;INTERNET:wanner@cerebro.cs.xu.edu
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7137: </vcard>
7138: </centity>
7139: <date>
7140: <datetime>2001-09-06</datetime>
7141: </date>
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7143: <contribute>
7144: <role><langstring lang="en">Author</langstring></role>
7145: <centity>
7146: <vcard>
7147: BEGIN:vCard
7148: FN:Prakash Ojha
7149: N:Ojha;Prakash
7150: EMAIL;INTERNET:ojha@cs.hope.edu
7151: END:vCard
7152: </vcard>
7153: </centity>
7154: <date>
7155: <datetime>2001-09-06</datetime>
7156: </date>
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7160: <contribute>
7161: <role><langstring lang="en">Contributor</langstring></role>
7162: <centity>
7163: <vcard>
7164: BEGIN:vCard
7165: FN:Gary Lewandowski
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7167: EMAIL;INTERNET:lewandow@cerebro.cs.xu.edu
7168: ORG:Xavier University;
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7170: </vcard>
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7172: <date>
7173: <datetime>2001-09-06</datetime>
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7184: <type><langstring lang="en">Operating System</langstring></type>
7185: <name><langstring lang="en">All</langstring></name>
7186: </requirements>
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7188: <educational>
7189: <intendedenduserrole><langstring lang="en">Learner</langstring></intendedenduserrole>
7190: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
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7193: </educational>
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7195: <copyrightandotherrestrictions><langstring lang="en">yes</langstring></copyrightandotherrestrictions>
7196: <description><langstring lang="en">Copyright the authors, distribution allowed as long as the work is attributed to them.</langstring></description>
7197: </rights>
7198: <classification>
7199: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
7200: <taxonpath>
7201: <source>ACM Computer Science Curriculum</source>
7202: <taxon>
7203: <entry><langstring lang="en">Algorithms and Data Structures</langstring></entry>
7204: </taxon>
7205: </taxonpath>
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7207: </classification>
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7210: <taxonpath>
7211: <source>ACM Computer Science Curriculum</source>
7212: <taxon>
7213: <entry><langstring lang="en">Artificial Intelligence and Robotics</langstring></entry>
7214: </taxon>
7215: </taxonpath>
7216: <description><langstring lang="en">The type of class that this resource is best suited for</langstring></description>
7217: </classification>
7218: <classification>
7219: <purpose><langstring lang="en">Discipline</langstring></purpose>
7220: <taxonpath>
7221: <source>ACM Computing Classification System</source>
7222: <taxon>
7223: <entry><langstring lang="en">Software</langstring></entry>
7224: </taxon>
7225: <taxon>
7226: <entry><langstring lang="en">Miscellaneous</langstring></entry>
7227: </taxon>
7228: </taxonpath>
7229: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7230: </classification>
7231: <classification>
7232: <purpose><langstring lang="en">Discipline</langstring></purpose>
7233: <taxonpath>
7234: <source>ACM Computing Classification System</source>
7235: <taxon>
7236: <entry><langstring lang="en">Theory of Computation</langstring></entry>
7237: </taxon>
7238: <taxon>
7239: <entry><langstring lang="en">Analysis of Algorithms and Problem Complexity</langstring></entry>
7240: </taxon>
7241: </taxonpath>
7242: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7243: </classification>
7244: </record>
7245: </metadata>
7246: </record>
7247: <record>
7248: <header>
7249: <identifier>oai:CSTC:159</identifier>
7250: <datestamp>2001-08-21</datestamp>
7251: </header>
7252: <metadata>
7253: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
7254: <general>
7255: <title><langstring lang="en">Course and exercise sequencing using metadata in adaptive hypermedia learning</langstring></title>
7256: <catalogentry>
7257: <catalogue>CSTC</catalogue>
7258: <entry><langstring lang="en">159</langstring></entry>
7259: </catalogentry>
7260: <language>English</language>
7261: <description><langstring lang="en"> <p>In the last few years the (semi-) automatic sequencing of course material has become an important research issue, particularly the standardization of metadata for educational resources. Sequencing can help to generate hypermedia documents which, at their best match the learner's needs. To perform (semi-) automatic course sequencing, a knowledge library as well as modular resources can be used. Both must be described by metadata.</p>
7262: <p>First, metadata standards (IEEE Learning Objects Metadata, Instructional Mangement Systems Global Learning Consortium, Dublin Core) are analyzed with regard to course sequencing. As an application example, Multibook, an adaptive hypermedia system used to teach multimedia technology, is described. Multibook uses metadata to create course sequences semi-automatically. In this article we explain how a knowledge library can be used to create exercises automatically. We give an example of how courses can be sequenced in general by analyzing the creation of exercises. An evaluation of our system shows the advantages and drawbacks of the automatic sequencing approach.</p></langstring></description>
7263: <keywords>
7264: <langstring lang="en">
7265: Documentation
7266: </langstring>
7267: <langstring lang="en">
7268: Management
7269: </langstring>
7270: </keywords>
7271: </general>
7272: <lifecycle>
7273: <status><langstring lang="en">Final</langstring></status>
7274: <contribute>
7275: <role><langstring lang="en">Author</langstring></role>
7276: <centity>
7277: <vcard>
7278: BEGIN:vCard
7279: FN:Stephan Fischer
7280: N:Fischer;Stephan
7281: EMAIL;INTERNET:-
7282: END:vCard
7283: </vcard>
7284: </centity>
7285: <date>
7286: <datetime>2001-08-21</datetime>
7287: </date>
7288: </contribute>
7289: </lifecycle>
7290: <metametadata>
7291: <contribute>
7292: <role><langstring lang="en">Contributor</langstring></role>
7293: <centity>
7294: <vcard>
7295: BEGIN:vCard
7296: FN:Hussein Suleman
7297: N:Suleman;Hussein
7298: EMAIL;INTERNET:hussein@vt.edu
7299: ORG:;
7300: END:vCard
7301: </vcard>
7302: </centity>
7303: <date>
7304: <datetime>2001-08-21</datetime>
7305: </date>
7306: </contribute>
7307: <language>en-US</language>
7308: </metametadata>
7309: <technical>
7310: <format>text/html</format>
7311: <location type="URI">
7312: http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=159
7313: </location>
7314: </technical>
7315: <educational>
7316: <intendedenduserrole><langstring lang="en">Learner</langstring></intendedenduserrole>
7317: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
7318: <learningcontext><langstring lang="en">Higher Education</langstring></learningcontext>
7319: <learningcontext><langstring lang="en">Secondary Education</langstring></learningcontext>
7320: </educational>
7321: <rights>
7322: <description><langstring lang="en"></langstring></description>
7323: </rights>
7324: <classification>
7325: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
7326: <taxonpath>
7327: <source>ACM Computer Science Curriculum</source>
7328: <taxon>
7329: <entry><langstring lang="en">Database and Information Retrieval</langstring></entry>
7330: </taxon>
7331: </taxonpath>
7332: <description><langstring lang="en">The type of class that this resource is best suited for</langstring></description>
7333: </classification>
7334: <classification>
7335: <purpose><langstring lang="en">Discipline</langstring></purpose>
7336: <taxonpath>
7337: <source>ACM Computing Classification System</source>
7338: <taxon>
7339: <entry><langstring lang="en">Information Systems</langstring></entry>
7340: </taxon>
7341: <taxon>
7342: <entry><langstring lang="en">Information Interfaces and Presentation</langstring></entry>
7343: </taxon>
7344: </taxonpath>
7345: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7346: </classification>
7347: <classification>
7348: <purpose><langstring lang="en">Discipline</langstring></purpose>
7349: <taxonpath>
7350: <source>ACM Computing Classification System</source>
7351: <taxon>
7352: <entry><langstring lang="en">Computing Milieux</langstring></entry>
7353: </taxon>
7354: <taxon>
7355: <entry><langstring lang="en">Computers and Education</langstring></entry>
7356: </taxon>
7357: </taxonpath>
7358: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7359: </classification>
7360: </record>
7361: </metadata>
7362: </record>
7363: <record>
7364: <header>
7365: <identifier>oai:CSTC:160</identifier>
7366: <datestamp>2001-08-21</datestamp>
7367: </header>
7368: <metadata>
7369: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
7370: <general>
7371: <title><langstring lang="en">Using a theoretical multimedia taxonomy framework</langstring></title>
7372: <catalogentry>
7373: <catalogue>CSTC</catalogue>
7374: <entry><langstring lang="en">160</langstring></entry>
7375: </catalogentry>
7376: <language>English</language>
7377: <description><langstring lang="en"> <P>Multimedia (MM) is a polysemous term, a term with many definitions, and in this case, many roots. In this paper, multimedia is defined as the seamless integration of two or more media. Each ancestor brings another requirement, muddying the field and making it difficult to work through. A multimedia taxonomy based on a previous media taxonomy is proposed to help organize the discipline. The taxonomy helps to classify the space called multimedia and to draw attention to difficult issues. The paper outlines the forms contributing to multimedia--text, sound, graphics, and motion--and aligns them with probable formats--elaboration, representation, and abstraction-- and sets them within a context--audience, discipline, interactivity, quality, usefulness, and aesthetics. The contexts are more clearly defined in two areas: interactivity and the information basis for a discipline. Examples are presented describing the use of the taxonomy in the design and evaluation of student projects in a computer science-based multimedia course.<p></langstring></description>
7378: <keywords>
7379: <langstring lang="en">
7380: computer uses in education
7381: </langstring>
7382: <langstring lang="en">
7383: evaluation
7384: </langstring>
7385: <langstring lang="en">
7386: multimedia
7387: </langstring>
7388: <langstring lang="en">
7389: design
7390: </langstring>
7391: <langstring lang="en">
7392: theory
7393: </langstring>
7394: </keywords>
7395: </general>
7396: <lifecycle>
7397: <status><langstring lang="en">Final</langstring></status>
7398: <contribute>
7399: <role><langstring lang="en">Author</langstring></role>
7400: <centity>
7401: <vcard>
7402: BEGIN:vCard
7403: FN:Rachelle S. Heller
7404: N:Heller;Rachelle S.
7405: EMAIL;INTERNET:-
7406: END:vCard
7407: </vcard>
7408: </centity>
7409: <date>
7410: <datetime>2001-08-21</datetime>
7411: </date>
7412: </contribute>
7413: <contribute>
7414: <role><langstring lang="en">Author</langstring></role>
7415: <centity>
7416: <vcard>
7417: BEGIN:vCard
7418: FN:C. Dianne Martin
7419: N:Martin;C. Dianne
7420: EMAIL;INTERNET:-
7421: END:vCard
7422: </vcard>
7423: </centity>
7424: <date>
7425: <datetime>2001-08-21</datetime>
7426: </date>
7427: </contribute>
7428: <contribute>
7429: <role><langstring lang="en">Author</langstring></role>
7430: <centity>
7431: <vcard>
7432: BEGIN:vCard
7433: FN:Nuzi Haneef
7434: N:Haneef;Nuzi
7435: EMAIL;INTERNET:-
7436: END:vCard
7437: </vcard>
7438: </centity>
7439: <date>
7440: <datetime>2001-08-21</datetime>
7441: </date>
7442: </contribute>
7443: </lifecycle>
7444: <metametadata>
7445: <contribute>
7446: <role><langstring lang="en">Contributor</langstring></role>
7447: <centity>
7448: <vcard>
7449: BEGIN:vCard
7450: FN:Hussein Suleman
7451: N:Suleman;Hussein
7452: EMAIL;INTERNET:hussein@vt.edu
7453: ORG:;
7454: END:vCard
7455: </vcard>
7456: </centity>
7457: <date>
7458: <datetime>2001-08-21</datetime>
7459: </date>
7460: </contribute>
7461: <language>en-US</language>
7462: </metametadata>
7463: <technical>
7464: <format>text/html</format>
7465: <location type="URI">
7466: http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=160
7467: </location>
7468: </technical>
7469: <educational>
7470: <intendedenduserrole><langstring lang="en">Learner</langstring></intendedenduserrole>
7471: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
7472: <learningcontext><langstring lang="en">Higher Education</langstring></learningcontext>
7473: <learningcontext><langstring lang="en">Secondary Education</langstring></learningcontext>
7474: </educational>
7475: <rights>
7476: <description><langstring lang="en"></langstring></description>
7477: </rights>
7478: <classification>
7479: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
7480: <taxonpath>
7481: <source>ACM Computer Science Curriculum</source>
7482: <taxon>
7483: <entry><langstring lang="en">Other</langstring></entry>
7484: </taxon>
7485: </taxonpath>
7486: <description><langstring lang="en">The type of class that this resource is best suited for</langstring></description>
7487: </classification>
7488: <classification>
7489: <purpose><langstring lang="en">Discipline</langstring></purpose>
7490: <taxonpath>
7491: <source>ACM Computing Classification System</source>
7492: <taxon>
7493: <entry><langstring lang="en">Information Systems</langstring></entry>
7494: </taxon>
7495: <taxon>
7496: <entry><langstring lang="en">Information Interfaces and Presentation</langstring></entry>
7497: </taxon>
7498: </taxonpath>
7499: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7500: </classification>
7501: </record>
7502: </metadata>
7503: </record>
7504: <record>
7505: <header>
7506: <identifier>oai:CSTC:161</identifier>
7507: <datestamp>2002-02-22</datestamp>
7508: </header>
7509: <metadata>
7510: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
7511: <general>
7512: <title><langstring lang="en">L3--towards an open learning environment</langstring></title>
7513: <catalogentry>
7514: <catalogue>CSTC</catalogue>
7515: <entry><langstring lang="en">161</langstring></entry>
7516: </catalogentry>
7517: <language>English</language>
7518: <description><langstring lang="en"> <P>This article describe the use of dedicated ontology for teaching in the context of the <I>L</i><SUP>3</sup> project, a national joint project for deploying further vocational education in Germany. The requirements for the open <I>L</i><SUP>3</sup> learning infrastructure are presented in order to motivate our approach to metamodeling learning resources and services by using dedicated ontolgies of pedagogics and didactics. The basic concepts and parts of the pedagogical ontology are outlined, and the practical implications for several of today's problems such as authoring and design, retrieval and adaptive of training resources are illustrated. An overview of the <I>L</i><SUP>3</sup> runtime architecture shows how the didactical ontology is used to deliver adaptive learning.</p></langstring></description>
7519: <keywords>
7520: <langstring lang="en">
7521: adaptive courses delivery
7522: </langstring>
7523: <langstring lang="en">
7524: authoring
7525: </langstring>
7526: <langstring lang="en">
7527: environment for web-based training
7528: </langstring>
7529: <langstring lang="en">
7530: didatics
7531: </langstring>
7532: <langstring lang="en">
7533: pedagogical ontology
7534: </langstring>
7535: <langstring lang="en">
7536: reuse of learning resources
7537: </langstring>
7538: <langstring lang="en">
7539: design
7540: </langstring>
7541: <langstring lang="en">
7542: human factors
7543: </langstring>
7544: <langstring lang="en">
7545: standardization
7546: </langstring>
7547: </keywords>
7548: </general>
7549: <lifecycle>
7550: <status><langstring lang="en">Final</langstring></status>
7551: <contribute>
7552: <role><langstring lang="en">Author</langstring></role>
7553: <centity>
7554: <vcard>
7555: BEGIN:vCard
7556: FN:Torsten Leidig
7557: N:Leidig;Torsten
7558: EMAIL;INTERNET:-
7559: END:vCard
7560: </vcard>
7561: </centity>
7562: <date>
7563: <datetime>2002-02-22</datetime>
7564: </date>
7565: </contribute>
7566: </lifecycle>
7567: <metametadata>
7568: <contribute>
7569: <role><langstring lang="en">Contributor</langstring></role>
7570: <centity>
7571: <vcard>
7572: BEGIN:vCard
7573: FN:Hussein Suleman
7574: N:Suleman;Hussein
7575: EMAIL;INTERNET:hussein@vt.edu
7576: ORG:;
7577: END:vCard
7578: </vcard>
7579: </centity>
7580: <date>
7581: <datetime>2002-02-22</datetime>
7582: </date>
7583: </contribute>
7584: <language>en-US</language>
7585: </metametadata>
7586: <technical>
7587: <format>text/html</format>
7588: <location type="URI">
7589: http://www.cstc.org/cgi-bin/show_abstract.pl?type=official&number=161
7590: </location>
7591: </technical>
7592: <educational>
7593: <intendedenduserrole><langstring lang="en">Learner</langstring></intendedenduserrole>
7594: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
7595: <learningcontext><langstring lang="en">Higher Education</langstring></learningcontext>
7596: <learningcontext><langstring lang="en">Secondary Education</langstring></learningcontext>
7597: </educational>
7598: <rights>
7599: <description><langstring lang="en"></langstring></description>
7600: </rights>
7601: <classification>
7602: <purpose><langstring lang="en">Educational Objective</langstring></purpose>
7603: <taxonpath>
7604: <source>ACM Computer Science Curriculum</source>
7605: <taxon>
7606: <entry><langstring lang="en">Other</langstring></entry>
7607: </taxon>
7608: </taxonpath>
7609: <description><langstring lang="en">The type of class that this resource is best suited for</langstring></description>
7610: </classification>
7611: <classification>
7612: <purpose><langstring lang="en">Discipline</langstring></purpose>
7613: <taxonpath>
7614: <source>ACM Computing Classification System</source>
7615: <taxon>
7616: <entry><langstring lang="en">Computing Milieux</langstring></entry>
7617: </taxon>
7618: <taxon>
7619: <entry><langstring lang="en">Computers and Education</langstring></entry>
7620: </taxon>
7621: </taxonpath>
7622: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7623: </classification>
7624: <classification>
7625: <purpose><langstring lang="en">Discipline</langstring></purpose>
7626: <taxonpath>
7627: <source>ACM Computing Classification System</source>
7628: <taxon>
7629: <entry><langstring lang="en">Computing Methodologies</langstring></entry>
7630: </taxon>
7631: <taxon>
7632: <entry><langstring lang="en">Artificial Intelligence</langstring></entry>
7633: </taxon>
7634: </taxonpath>
7635: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7636: </classification>
7637: <classification>
7638: <purpose><langstring lang="en">Discipline</langstring></purpose>
7639: <taxonpath>
7640: <source>ACM Computing Classification System</source>
7641: <taxon>
7642: <entry><langstring lang="en">Information Systems</langstring></entry>
7643: </taxon>
7644: <taxon>
7645: <entry><langstring lang="en">Information Interfaces and Presentation</langstring></entry>
7646: </taxon>
7647: </taxonpath>
7648: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7649: </classification>
7650: <classification>
7651: <purpose><langstring lang="en">Discipline</langstring></purpose>
7652: <taxonpath>
7653: <source>ACM Computing Classification System</source>
7654: <taxon>
7655: <entry><langstring lang="en">Information Systems</langstring></entry>
7656: </taxon>
7657: <taxon>
7658: <entry><langstring lang="en">Information Systems Applications</langstring></entry>
7659: </taxon>
7660: </taxonpath>
7661: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7662: </classification>
7663: <classification>
7664: <purpose><langstring lang="en">Discipline</langstring></purpose>
7665: <taxonpath>
7666: <source>ACM Computing Classification System</source>
7667: <taxon>
7668: <entry><langstring lang="en">Information Systems</langstring></entry>
7669: </taxon>
7670: <taxon>
7671: <entry><langstring lang="en">Information Storage and Retrieval</langstring></entry>
7672: </taxon>
7673: </taxonpath>
7674: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7675: </classification>
7676: <classification>
7677: <purpose><langstring lang="en">Discipline</langstring></purpose>
7678: <taxonpath>
7679: <source>ACM Computing Classification System</source>
7680: <taxon>
7681: <entry><langstring lang="en">Information Systems</langstring></entry>
7682: </taxon>
7683: <taxon>
7684: <entry><langstring lang="en">Models and Principles</langstring></entry>
7685: </taxon>
7686: </taxonpath>
7687: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
7688: </classification>
7689: </record>
7690: </metadata>
7691: </record>
7692: <record>
7693: <header>
7694: <identifier>oai:CSTC:162</identifier>
7695: <datestamp>2001-08-21</datestamp>
7696: </header>
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7712: Management
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7715: Performance
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7717: <langstring lang="en">
7718: Java
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7721: heterogeneity
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7723: <langstring lang="en">
7724: platform independence
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7750: FN:H. Abdel-Wahab
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7765: FN:R. Maly
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7785: ORG:;
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7863: <description><langstring lang="en"> <P>Many educational resources and objects have been developed as Java applets or applications, which can accessed by simply downloading them from various repositories. It is often necessary to share these resources in real time, for instance when an instructor teaches remote students how to use a certain resource explains the theory behind it. We have developed some tools for this purpose that emulate a virtual classroom, and are primarily designed for synchronous sharing of resources. They enable participants to share Java objects in real time and also allow the instructor to dynamically manage the telebearing session.</P></langstring></description>
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7865: <langstring lang="en">
7866: Design
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7872: <contribute>
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7874: <centity>
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7877: FN:Nicolas D. Georganas
7878: N:Georganas;Nicolas D.
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7883: <date>
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7887: <contribute>
7888: <role><langstring lang="en">Author</langstring></role>
7889: <centity>
7890: <vcard>
7891: BEGIN:vCard
7892: FN:Abdulmotaleb El Saddik
7893: N:El Saddik;Abdulmotaleb
7894: EMAIL;INTERNET:-
7895: END:vCard
7896: </vcard>
7897: </centity>
7898: <date>
7899: <datetime>2001-08-21</datetime>
7900: </date>
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7902: <contribute>
7903: <role><langstring lang="en">Author</langstring></role>
7904: <centity>
7905: <vcard>
7906: BEGIN:vCard
7907: FN:Shervin Shirmohammadi
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7909: EMAIL;INTERNET:-
7910: END:vCard
7911: </vcard>
7912: </centity>
7913: <date>
7914: <datetime>2001-08-21</datetime>
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7923: BEGIN:vCard
7924: FN:Hussein Suleman
7925: N:Suleman;Hussein
7926: EMAIL;INTERNET:hussein@vt.edu
7927: ORG:;
7928: END:vCard
7929: </vcard>
7930: </centity>
7931: <date>
7932: <datetime>2001-08-21</datetime>
7933: </date>
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7952: <classification>
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7954: <taxonpath>
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7966: <taxon>
7967: <entry><langstring lang="en">Computing Milieux</langstring></entry>
7968: </taxon>
7969: <taxon>
7970: <entry><langstring lang="en">Computers and Society</langstring></entry>
7971: </taxon>
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7975: <classification>
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7977: <taxonpath>
7978: <source>ACM Computing Classification System</source>
7979: <taxon>
7980: <entry><langstring lang="en">Computing Milieux</langstring></entry>
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7982: <taxon>
7983: <entry><langstring lang="en">Computers and Education</langstring></entry>
7984: </taxon>
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7988: </record>
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7990: </record>
7991: <record>
7992: <header>
7993: <identifier>oai:CSTC:170</identifier>
7994: <datestamp>2001-11-09</datestamp>
7995: </header>
7996: <metadata>
7997: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
7998: <general>
7999: <title><langstring lang="en">Little Man Computer</langstring></title>
8000: <catalogentry>
8001: <catalogue>CSTC</catalogue>
8002: <entry><langstring lang="en">170</langstring></entry>
8003: </catalogentry>
8004: <language>English</language>
8005: <description><langstring lang="en"> A web based applet that simulates the working of a Little Man Computer, designed by Dr. Stuart Madnick</langstring></description>
8006: <keywords>
8007: <langstring lang="en">
8008: Little Man Computer
8009: </langstring>
8010: <langstring lang="en">
8011: LMC
8012: </langstring>
8013: <langstring lang="en">
8014: Hardware Concepts
8015: </langstring>
8016: </keywords>
8017: </general>
8018: <lifecycle>
8019: <status><langstring lang="en">Final</langstring></status>
8020: <contribute>
8021: <role><langstring lang="en">Author</langstring></role>
8022: <centity>
8023: <vcard>
8024: BEGIN:vCard
8025: FN:Rahul Gedupudi
8026: N:Gedupudi;Rahul
8027: EMAIL;INTERNET:rahul_naidu@hotmail.com
8028: END:vCard
8029: </vcard>
8030: </centity>
8031: <date>
8032: <datetime>2001-11-09</datetime>
8033: </date>
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8036: <role><langstring lang="en">Author</langstring></role>
8037: <centity>
8038: <vcard>
8039: BEGIN:vCard
8040: FN:Larry Brumbaugh
8041: N:Brumbaugh;Larry
8042: EMAIL;INTERNET:ljbrumb@ilstu.edu
8043: END:vCard
8044: </vcard>
8045: </centity>
8046: <date>
8047: <datetime>2001-11-09</datetime>
8048: </date>
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8050: <contribute>
8051: <role><langstring lang="en">Author</langstring></role>
8052: <centity>
8053: <vcard>
8054: BEGIN:vCard
8055: FN:William Yurcik
8056: N:Yurcik;William
8057: EMAIL;INTERNET:wjyurci@ilstu.edu
8058: END:vCard
8059: </vcard>
8060: </centity>
8061: <date>
8062: <datetime>2001-11-09</datetime>
8063: </date>
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8072: FN:Rahul Gedupudi
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8074: EMAIL;INTERNET:rahul_naidu@hotmail.com
8075: ORG:Illinois State University;Applied Computer Science
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8092: <name><langstring lang="en">Java Virtual Machine, HTML Browser</langstring></name>
8093: </requirements>
8094: <requirements>
8095: <type><langstring lang="en">Operating System</langstring></type>
8096: <name><langstring lang="en">All</langstring></name>
8097: </requirements>
8098: <requirements>
8099: <type><langstring lang="en">Programming Language</langstring></type>
8100: <name><langstring lang="en">Java</langstring></name>
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8105: <intendedenduserrole><langstring lang="en">Teacher</langstring></intendedenduserrole>
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8110: <description><langstring lang="en"></langstring></description>
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8112: <classification>
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8114: <taxonpath>
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8126: <taxon>
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8136: <taxon>
8137: <entry><langstring lang="en">Computer Systems Organization</langstring></entry>
8138: </taxon>
8139: <taxon>
8140: <entry><langstring lang="en">Computer System Implementation</langstring></entry>
8141: </taxon>
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8145: <classification>
8146: <purpose><langstring lang="en">Discipline</langstring></purpose>
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8149: <taxon>
8150: <entry><langstring lang="en">Computer Systems Organization</langstring></entry>
8151: </taxon>
8152: <taxon>
8153: <entry><langstring lang="en">Processor Architectures</langstring></entry>
8154: </taxon>
8155: </taxonpath>
8156: <description><langstring lang="en">The subject classification that best describes the resource</langstring></description>
8157: </classification>
8158: <classification>
8159: <purpose><langstring lang="en">Discipline</langstring></purpose>
8160: <taxonpath>
8161: <source>ACM Computing Classification System</source>
8162: <taxon>
8163: <entry><langstring lang="en">Hardware</langstring></entry>
8164: </taxon>
8165: <taxon>
8166: <entry><langstring lang="en">Register-Transfer-Level Implementation</langstring></entry>
8167: </taxon>
8168: </taxonpath>
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8174: <record>
8175: <header>
8176: <identifier>oai:CSTC:180</identifier>
8177: <datestamp>2001-10-30</datestamp>
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8179: <metadata>
8180: <record xmlns="http://www.imsproject.org/metadata/" xsi:schemaLocation="http://www.imsproject.org/metadata/ http://oai.dlib.vt.edu/OAI/ims.xsd">
8181: <general>
8182: <title><langstring lang="en">Simulation of Embedded Kernels over Pthreads</langstring></title>
8183: <catalogentry>
8184: <catalogue>CSTC</catalogue>
8185: <entry><langstring lang="en">180</langstring></entry>
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8187: <language>English</language>
8188: <description><langstring lang="en"> This work describes the design and implementation of a simulation
8189: environment for an open-source embedded kernel and an intuitive
8190: user interface to complement it. The study stresses the suitability of
8191: POSIX Threads (Pthreads) to resemble kernel operations in the
8192: simulation environment. It specifies the prerequisites for using
8193: Pthreads as a means to resemble embedded task execution and suggests an
8194: I/O-based representation of device information. The experience gained
8195: with a sample implementation stresses the importance of a proper match
8196: between a Pthreads implementation and an embedded kernel. It
8197: also shows the adequacy of both the simulation environment and a
8198: graphical user interface to aid program development and
8199: debugging. Furthermore, the separation of the simulation component
8200: from the user interface provides opportunities to utilize each
8201: component separately or even combine them with other components.
8202: The simulation environment is publically available with further
8203: instructions included in the appendix.</langstring></description>
8204: <keywords>
8205: <langstring lang="en">
8206: Embedded Systems
8207: </langstring>
8208: <langstring lang="en">
8209: Operating Systems Kernel Simulator
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8211: </keywords>
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8213: <lifecycle>
8214: <status><langstring lang="en">Final</langstring></status>
8215: <contribute>
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8219: BEGIN:vCard
8220: FN:Frank Mueller
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8222: EMAIL;INTERNET:mueller@cs.ncsu.edu
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8235: FN:Oliver Buehn
8236: N:Buehn;Oliver
8237: EMAIL;INTERNET:oli@dtgroup.com
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8242: <datetime>2001-10-30</datetime>
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8250: FN:Thomas Roeblitz
8251: N:Roeblitz;Thomas
8252: EMAIL;INTERNET:roeblitz@zib.de
8253: END:vCard
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8257: <datetime>2001-10-30</datetime>
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8267: FN:Frank Mueller
8268: N:Mueller;Frank
8269: EMAIL;INTERNET:mueller@cs.ncsu.edu
8270: ORG:North Carolina State University;Department of Computer Science
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8279: </metametadata>
8280: <technical>
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8284: </location>
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8287: <name><langstring lang="en">Sun Sparc, PC, Java Virtual Machine</langstring></name>
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8289: <requirements>
8290: <type><langstring lang="en">Operating System</langstring></type>
8291: <name><langstring lang="en">UNIX</langstring></name>
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8295: <name><langstring lang="en">PERL, Java, C</langstring></name>
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8552: <datestamp>2002-03-12</datestamp>
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8560: <entry><langstring lang="en">244</langstring></entry>
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8563: <description><langstring lang="en"> With the increased heterogeneity of networked devices integrating into existing
8564: distributed file system (DFS) topologies, the ability to balance hardware constraints with
8565: user and software requirements is paramount. This is especially true for consistency
8566: control in file systems. Existing DFSs usually implement a single general-purpose
8567: consistency control approach, focusing on a specific scenario, rather than the multitude of
8568: possibilities that can arise due to heterogeneity and variability of current computing
8569: environments. The developed GLOMAR system caters for the multitude of possibilities,
8570: by providing the framework and abstraction that allows numerous consistency control
8571: mechanisms specifically built for a scenario to be implemented under the one DFS. This
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8573: Microsoft .NET implementation.</langstring></description>
8574: <keywords>
8575: <langstring lang="en">
8576: distributed file system
8577: </langstring>
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8579: consistency control
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8582: concurrency
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8585: middleware
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8679: <title><langstring lang="en">Extreme Programming Tutorial</langstring></title>
8680: <catalogentry>
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8682: <entry><langstring lang="en">246</langstring></entry>
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8685: <description><langstring lang="en"> The methodology known as Extreme Programming is presented, beginning with its reason for existence,
8686: philosophy, and a detailed exposition of the twelve practices that define it. There is also a discussion of
8687: its strengths and weaknesses as a software design methodology.</langstring></description>
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8690: extreme programming
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8792: <taxon>
8793: <entry><langstring lang="en">Software</langstring></entry>
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8805: <taxon>
8806: <entry><langstring lang="en">Computing Milieux</langstring></entry>
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8808: <taxon>
8809: <entry><langstring lang="en">Management of Computing and Information Systems</langstring></entry>
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8825: <title><langstring lang="en">Java IDEs: What and Why We Use What We Do</langstring></title>
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8827: <catalogue>CSTC</catalogue>
8828: <entry><langstring lang="en">248</langstring></entry>
8829: </catalogentry>
8830: <description><langstring lang="en"> The experiences of several faculty who each use a different Java Interactive Development Environment (IDE). Highlights of salient features and pointers for successful adaptation to the classroom. Panel participants: Barbara Boucher Owens, Delia Marx, Jack Rehder, Dean Sanders, and Don Slater (for Rich Pattis).</langstring></description>
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8832: <langstring lang="en">
8833: JAVA IDE
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8835: </keywords>
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9669: empirical skills
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9721: <name><langstring lang="en">All</langstring></name>
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