Retrieval and novelty detection at the sentence level
Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval
A System for new event detection
Proceedings of the 26th annual international ACM SIGIR conference on Research and development in informaion retrieval
Investigating Group Structure in CSCL: Some New Approaches
Information Systems Frontiers
Content analysis schemes to analyze transcripts of online asynchronous discussion groups: A review
Computers & Education - Methodological issue in researching CSCL
Social networks applied to distance education courses: analysis of interaction in discussion forums
Proceedings of the 18th Brazilian symposium on Multimedia and the web
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One of the most important facets in CSCL research is the interaction between individual and collaborative learning activities. This paper proposes a holistic and complementary analysis model of the collaborative interactions base on three dimensions --- process pattern, social relationship and topic space. By making use of content analysis, social network analysis and text mining technologies, asynchronous discussion transcripts are semi-automatically processed to address the questions concerned with peer interactions in collaborative learning: what are they talking about, who are talking to whom, and how do they talking with others. An integrated tool with comprehensive functionalities is designed and implemented to support collaborative interaction analysis with intelligence and visualization features. With the assistance of the tool, a case study is conducted to analyze the discussion records of a class composed of 18 graduate students who enrolled in a course along with online discussion in knowledge forum platform.