7053 search results - page 1032 / 1411 » Data Mining |
191
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KDD
2006
ACM
16 years 7 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...
193
click to vote
KDD
2006
ACM
16 years 7 months ago
2006
ACM
Localized search engines are small-scale systems that index a particular community on the web. They offer several benefits over their large-scale counterparts in that they are rel...
185
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KDD
2006
ACM
16 years 7 months ago
2006
ACM
The primary purpose of news articles is to convey information about who, what, when and where. But learning and summarizing these relationships for collections of thousands to mil...
198
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KDD
2006
ACM
16 years 7 months ago
2006
ACM
Recent research has identified significant vulnerabilities in recommender systems. Shilling attacks, in which attackers introduce biased ratings in order to influence future recom...
189
click to vote
KDD
2006
ACM
16 years 7 months ago
2006
ACM
We investigate three methods for defining a session on Web search engines. We examine 2,465,145 interactions from 534,507 Web searchers. We compare defining sessions using: 1) Int...