1649 search results - page 119 / 330 » Improved Matrix Interpretation |
124
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UM
2007
Springer
15 years 10 months ago
2007
Springer
One of the main problems of collaborative filtering recommenders is the sparsity of the ratings in the users-items matrix, and its negative effect on the prediction accuracy. This ...
136
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ICRA
2006
IEEE
15 years 10 months ago
2006
IEEE
— The paper proposes an improved model and its approximation for a diffusion of a biochemical agent in the air. Based on the model, a new motion control algorithm based on the Fi...
140
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IH
2001
Springer
15 years 8 months ago
2001
Springer
Many steganographic systems are weak against visual and statistical attacks. Systems without these weaknesses offer only a relatively small capacity for steganographic messages. T...
147
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ACL
2008
15 years 5 months ago
2008
In this work, the problem of extracting phrase translation is formulated as an information retrieval process implemented with a log-linear model aiming for a balanced precision an...
144
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SDM
2007
SIAM
15 years 5 months ago
2007
SIAM
We propose an efficient algorithm for principal component analysis (PCA) that is applicable when only the inner product with a given vector is needed. We show that Krylov subspace...