507 search results - page 17 / 102 » Portfolio theory of information retrieval |
171
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RSKT
2009
Springer
16 years 18 days ago
2009
Springer
Abstract. A new interpretation of rules in rough set theory is introduced. According to the positive, boundary, and negative regions of a set, one can make a three-way decision: ac...
153
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JASIS
2000
15 years 5 months ago
2000
: Because the World Wide Web is a dynamic collection of information, the Web search tools (or "search engines") that index the Web are dynamic. Traditional information re...
175
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SIGIR
2006
ACM
16 years 13 hour ago
2006
ACM
Search algorithms incorporating some form of topic model have a long history in information retrieval. For example, cluster-based retrieval has been studied since the 60s and has ...
166
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CIKM
2009
Springer
16 years 19 days ago
2009
Springer
Opinion mining has become recently a major research topic. A wide range of techniques have been proposed to enable opinion-oriented information seeking systems. However, little is...
162
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SIGIR
2004
ACM
15 years 11 months ago
2004
ACM
Contextual retrieval is a critical technique for facilitating many important applications such as mobile search, personalized search, PC troubleshooting, etc. Despite of its impor...