Analyzing Transcripts of Online Asynchronous Discussion Groups with VINCA<br />Yanyan Li<br />Knowledge Science & Engineer...
Outline<br />Existing tools<br />VINCA introduction<br />Further development<br />
Existing Tools <br />Annotation aids<br /><ul><li>Nvivo (http://www.qsrinternational.com/)
Atlas-ti (http://www.atlasti.de). </li></ul>Dictionary-based content analysis<br /><ul><li>CATPAC
LIWC (http://www.erlbaum.com)</li></ul>Development environments<br /><ul><li>Profiler Plus
DIMAP (http://www.clres.com)</li></li></ul><li>Shortcomings of the tools<br />Not integrated<br />Coding process is largel...
Our goal<br />   Can we design and implement an integrated tool to assist identifying features of interaction and provide ...
Implementing a Tool to Support Discussion Transcripts Analysis<br />
Multidimensional Analysis<br />How do the students talking with others?<br />What are the students talking about?<br />Who...
Tool Design Framework<br />
Vinca ‘s Features<br />Learnable semi-automatic coding support<br />Analyze text in Chinese (traditional and simplified)<b...
Domain ontology
Association rules mining</li></li></ul><li>1) Data preparation <br />Data preparation to convert Knowledge Forum (KF platf...
2) Annotation Aids<br />Edit Coding Scheme<br />New, Modify, Delete <br />Associate feature keywords to specific codes<br ...
3) Text Analysis<br />Keywords retrieval & frequency counting<br />Concordance<br />*Discourse pattern discovery<br />*Cat...
Word Frequency (Keywords Retrieval)<br />Select Data<br />From KF <br />From Speech File<br />From Single Text File<br />E...
14<br />Concordance<br />List of extracted keywords<br />Concordance<br />
Check the original text<br />
Discourse Pattern Discovery<br />Pattern configuration interface<br />Frequent pattern mining results<br />
Category Analysis<br />Open Category File<br />Search Para Synonyms in Interaction Text Based on Similarity Computation <b...
Text Clustering<br />Select Data..<br />Get Keywords..<br />Set Option<br />Export Result of Text Clustering<br />
19<br />Assessing for CKB<br />Group Performance<br />Domain ontology<br />Member Contribution<br />Topic similarity betwe...
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Multiple Methods and Techniques in Analyzing Computer-Supported Collaborative Learning (CSCL) Data

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5 March 2010 (Friday) | 09:00 - 12:30 | http://citers2010.cite.hku.hk/abstract/69 | Dr. Yanyan LI, School of Educational Technology, R&D Center for Knowledge Engineering, Beijing Normal University

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Multiple Methods and Techniques in Analyzing Computer-Supported Collaborative Learning (CSCL) Data

  1. 1. Analyzing Transcripts of Online Asynchronous Discussion Groups with VINCA<br />Yanyan Li<br />Knowledge Science & Engineering Institute, School of Education Technology,<br />Beijing Normal University<br />liyy1114@gmail.com<br />
  2. 2. Outline<br />Existing tools<br />VINCA introduction<br />Further development<br />
  3. 3. Existing Tools <br />Annotation aids<br /><ul><li>Nvivo (http://www.qsrinternational.com/)
  4. 4. Atlas-ti (http://www.atlasti.de). </li></ul>Dictionary-based content analysis<br /><ul><li>CATPAC
  5. 5. LIWC (http://www.erlbaum.com)</li></ul>Development environments<br /><ul><li>Profiler Plus
  6. 6. DIMAP (http://www.clres.com)</li></li></ul><li>Shortcomings of the tools<br />Not integrated<br />Coding process is largely manual<br />Not learnable<br />Display coding results in text or tables<br />Lack of freestanding content analysis packages incorporating text mining. <br />
  7. 7. Our goal<br /> Can we design and implement an integrated tool to assist identifying features of interaction and provide feedbacks to facilitate the collaboration in CSCL?<br />
  8. 8. Implementing a Tool to Support Discussion Transcripts Analysis<br />
  9. 9. Multidimensional Analysis<br />How do the students talking with others?<br />What are the students talking about?<br />Who are talking to whom?<br />Speech<br />Topics<br />Process <br />Pattern<br />Member<br />Relationship<br />Interaction Discourse<br />Keywords in context<br />Statistics for Social Network Analysis<br />Semi-auto Coding<br />
  10. 10. Tool Design Framework<br />
  11. 11. Vinca ‘s Features<br />Learnable semi-automatic coding support<br />Analyze text in Chinese (traditional and simplified)<br />Utilize computational language & text mining technologies<br />Support assessing for CKB<br />Underlying technologies<br /><ul><li>Syntax analysis
  12. 12. Domain ontology
  13. 13. Association rules mining</li></li></ul><li>1) Data preparation <br />Data preparation to convert Knowledge Forum (KF platform) discourse in html to database format<br />From Version 3.4<br />From Version 4.5<br />
  14. 14. 2) Annotation Aids<br />Edit Coding Scheme<br />New, Modify, Delete <br />Associate feature keywords to specific codes<br />Annotation<br />Support segment & merge<br />*Automatic discover the code hint, highlight it and attach possible codes with confidence probability. <br />During the process of coding, users are allowed to select the hint to mark the final coding.<br />View Coding Result<br />Suggested codes<br />
  15. 15. 3) Text Analysis<br />Keywords retrieval & frequency counting<br />Concordance<br />*Discourse pattern discovery<br />*Category analysis <br />Similarity Computation<br />*Text clustering<br />Ontology-based assessing for CKB<br />
  16. 16. Word Frequency (Keywords Retrieval)<br />Select Data<br />From KF <br />From Speech File<br />From Single Text File<br />Exclusive List<br />Special<br />Common<br />Tag Filter<br />Picked List<br />Find Keywords in Word List<br />Export Keywords & User Keywords Distribution<br />Import user’s lexicon<br />Select exclusive list<br />Select the words with specified tags<br />
  17. 17. 14<br />Concordance<br />List of extracted keywords<br />Concordance<br />
  18. 18. Check the original text<br />
  19. 19. Discourse Pattern Discovery<br />Pattern configuration interface<br />Frequent pattern mining results<br />
  20. 20. Category Analysis<br />Open Category File<br />Search Para Synonyms in Interaction Text Based on Similarity Computation <br />Category List<br />Lexicon specified by tutors and auto-found synonyms <br />
  21. 21. Text Clustering<br />Select Data..<br />Get Keywords..<br />Set Option<br />Export Result of Text Clustering<br />
  22. 22. 19<br />Assessing for CKB<br />Group Performance<br />Domain ontology<br />Member Contribution<br />Topic similarity between members<br />
  23. 23. 4) Data Export for SNA<br />Export KF Data<br />Export Relation Matrix<br />Export Coding Result<br />Export Coding Matrix<br />Export Coding Frequency<br />
  24. 24. Annotation aids<br />Semi-automatic coding with enhanced precision<br />Text analysis<br />Category analysis for topic recognition<br />Discourse Pattern discovery<br />Visualization <br />Topic space<br />Social network<br />Further Development<br />
  25. 25. Thanks!<br />Welcome Questions and Comments<br />

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