8298 search results - page 1361 / 1660 » Query-Free Information Retrieval |
165
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KDD
2006
ACM
16 years 6 months ago
2006
ACM
Contextual text mining is concerned with extracting topical themes from a text collection with context information (e.g., time and location) and comparing/analyzing the variations...
173
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KDD
2006
ACM
16 years 6 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...
169
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KDD
2005
ACM
16 years 6 months ago
2005
ACM
We propose a new algorithm for dimensionality reduction and unsupervised text classification. We use mixture models as underlying process of generating corpus and utilize a novel,...
180
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KDD
2003
ACM
16 years 6 months ago
2003
ACM
Web personalization is the process of customizing a Web site to the needs of each specific user or set of users, taking advantage of the knowledge acquired through the analysis of...
173
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KDD
2002
ACM
16 years 6 months ago
2002
ACM
Automated detection of the first document reporting each new event in temporally-sequenced streams of documents is an open challenge. In this paper we propose a new approach which...