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7
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RECSYS
2009
ACM
141
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Control Systems
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RECSYS 2009
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Improving rating estimation in recommender systems using aggregation- and variance-based hierarchical models
13 years 11 months ago
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pages.stern.nyu.edu
Previous work on using external aggregate rating information showed that this information can be incorporated in several different types of recommender systems and improves their...
Akhmed Umyarov, Alexander Tuzhilin
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