5107 search results - page 169 / 1022 » Data Mining and Information Retrieval |
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WMCSA
2003
IEEE
16 years 9 days ago
2003
IEEE
Emerging ubiquitous and pervasive computing applications often need to know where things are physically located. To meet this need, many locationsensing systems have been develope...
229
Voted
SIGIR
2005
ACM
16 years 18 days ago
2005
ACM
Accurate topical categorization of user queries allows for increased effectiveness, efficiency, and revenue potential in general-purpose web search systems. Such categorization be...
206
Voted
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...
207
Voted
KDD
2002
ACM
16 years 7 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...
161
Voted
WSDM
2010
ACM
16 years 4 months ago
2010
ACM
We describe a machine learning approach for predicting sponsored search ad relevance. Our baseline model incorporates basic features of text overlap and we then extend the model t...