1617 search results - page 259 / 324 » Recommender Systems |
138
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RECSYS
2009
ACM
15 years 10 months ago
2009
ACM
Collaborative Filtering (CF) recommendations are computed by leveraging a historical data set of users’ ratings for items. It assumes that the users’ previously recorded ratin...
138
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ICCCN
2008
IEEE
15 years 10 months ago
2008
IEEE
— Slander attacks represent a significant danger to distributed reputation systems. Malicious nodes may collude to lie about the reputation of a particular neighbor and cause se...
118
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ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
Abstract— Adding SDMA capabilities to modern wireless communication systems like IEEE 802.16 WiMAX promises high system capacity gains but raises the problem of combining orthogo...
113
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AIIA
2007
Springer
15 years 10 months ago
2007
Springer
Due to the fast growing of the information available on the Web, the retrieval of relevant content is increasingly hard. The complexity of the task is concerned both with the seman...
126
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TARK
2007
Springer
15 years 10 months ago
2007
Springer
In this paper we show how coalition logic can be reduced to the fusion of a normal modal STIT logic for agency and a standard normal temporal logic for discrete time, and how this...