7387 search results - page 1150 / 1478 » Knowledge-based data mining |
187
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EDM
2009
15 years 4 months ago
2009
Students in introductory programming classes often articulate their questions and information needs incompletely. Consequently, the automatic classification of student questions to...
191
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EDM
2009
15 years 4 months ago
2009
This paper presents a model which can automatically detect a variety of student speech acts as students collaborate within a computer supported collaborative learning environment. ...
168
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EDM
2009
15 years 4 months ago
2009
In this paper, we present a study of a large corpus of student logic exercises in which we explore the relationship between two distinct measures of difficulty: the proportion of s...
173
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EDM
2009
15 years 4 months ago
2009
This paper presents several methods to automatically detecting students' mental models in MetaTutor, an intelligent tutoring system that teaches students self-regulatory proce...
194
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ICDM
2009
IEEE
15 years 4 months ago
2009
IEEE
In this paper we propose the multirelational topic model (MRTM) for multiple types of link modeling such as citation and coauthor links in document networks. In the citation networ...