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167
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AIED
2007
Springer
16 years 16 days ago
2007
Springer
This paper demonstrates how stereotypic student groups can be created to enhance cognitive models in computer tutors. Computer tutors use cognitive models to track what skills stud...
186
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CVPR
2009
IEEE
15 years 10 months ago
2009
IEEE
Nonnegative Matrix Factorization (NMF) approximates a given data matrix as a product of two low rank nonnegative matrices, usually by minimizing the L2 or the KL distance between ...
163
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TCS
2008
15 years 6 months ago
2008
Formalized study of self-assembly has led to the definition of the tile assembly model, Previously I presented ways to compute arithmetic functions, such as addition and multiplic...
169
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ISSAC
2009
Springer
16 years 27 days ago
2009
Springer
We present algorithms and heuristics to compute the characteristic polynomial of a matrix given its minimal polynomial. The matrix is represented as a black-box, i.e., by a functi...
142
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BIBM
2007
IEEE
15 years 10 months ago
2007
IEEE
This paper addresses the computational challenge facing association analysis of case-control studies