3185 search results - page 419 / 637 » Graphical models for data mining |
124
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KDD
2006
ACM
16 years 3 months ago
2006
ACM
Collaborative recommender systems are highly vulnerable to attack. Attackers can use automated means to inject a large number of biased profiles into such a system, resulting in r...
102
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WSDM
2010
ACM
16 years 10 days ago
2010
ACM
In web search, recency ranking refers to ranking documents by relevance which takes freshness into account. In this paper, we propose a retrieval system which automatically detect...
145
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WSDM
2009
ACM
15 years 9 months ago
2009
ACM
In this paper, we investigate the difference between Wikipedia and Web link structure with respect to their value as indicators of the relevance of a page for a given topic of re...
119
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KDD
2009
ACM
15 years 9 months ago
2009
ACM
In this paper we propose a utility model that accounts for both sales and branding advertisers. We first study the computational complexity of optimization problems related to bo...
103
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ICDM
2009
IEEE
15 years 9 months ago
2009
IEEE
—It is well known that Web users create links with different intentions. However, a key question, which is not well studied, is how to categorize the links and how to quantify th...