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168
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IIE
2008
15 years 5 months ago
2008
Abstract. An exploratory study of students' engagement in online learning and knowledge building is presented in this paper. Learning in an online community, composed of stude...
152
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KDD
2000
ACM
15 years 9 months ago
2000
ACM
Information extraction is one of the most important techniques used in Text Mining. One of the main problems in building information extraction (IE) systems is that the knowledge ...
143
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KCAP
2005
ACM
15 years 11 months ago
2005
ACM
Effective reuse of Knowledge Bases (KBs) often entails the expensive task of identifying plausible KB-PS (Problem Solver) combinations. We propose a novel technique based on Const...
153
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KCAP
2005
ACM
15 years 11 months ago
2005
ACM
Capturing knowledge from free-form evaluative texts about an entity is a challenging task. New techniques of feature extraction, polarity determination and strength evaluation hav...
143
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ICWL
2005
Springer
15 years 11 months ago
2005
Springer
In this paper we investigate the use of Latent Semantic Analysis (LSA), Critiquing Systems, and Knowledge Building to support computerbased teaching of English composition. We have...