1617 search results - page 142 / 324 » Recommender Systems |
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 ...
120
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SUTC
2006
IEEE
15 years 10 months ago
2006
IEEE
In peer-to-peer (P2P) environments, trust is a very important issue when transactions/interactions occur between peers. In general, the trust evaluation on transactions/interactio...
149
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EWCBR
1998
Springer
15 years 8 months ago
1998
Springer
In this paper, we present our case-based browsing advisor for the Web, called BROADWAY. BROADWAY follows a group of users during their navigations and supports an indirect collabor...
159
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RECSYS
2010
ACM
15 years 4 months ago
2010
ACM
Recommendation systems suggest items based on user preferences. Collaborative filtering is a popular approach in which recommending is based on the rating history of the system. O...
137
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ECWEB
2007
Springer
15 years 10 months ago
2007
Springer
The open nature of collaborative recommender systems present a security problem. Attackers that cannot be readily distinguished from ordinary users may inject biased profiles, deg...