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182
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ICML
2009
IEEE
16 years 7 months ago
2009
IEEE
Recent work has shown that one can learn the structure of Gaussian Graphical Models by imposing an L1 penalty on the precision matrix, and then using efficient convex optimization...
160
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WWW
2005
ACM
16 years 7 months ago
2005
ACM
Based on the type of collaborative objects, a collaborative filtering (CF) system falls into one of two categories: item-based CF and user-based CF. Clustering is the basic idea i...
178
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UML
1999
Springer
15 years 11 months ago
1999
Springer
Abstract. The current UML semantics documentation has made a signi cant step towards providing a precise description of the UML. However, at present the semantic model it proposes ...
160
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ITS
2000
Springer
15 years 10 months ago
2000
Springer
Abstract. We discuss the design of an agent for coaching collaborative learning in a distance learning context. The learning domain is entity-relationship modeling, a domain in whi...
164
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AAAI
1993
15 years 8 months ago
1993
Semiquantitative models combine both qualitative and quantitative knowledge within a single semiquantitative qualitative differential equation (SQDE) representation. With current ...