3430 search results - page 198 / 686 » Language model for IR using collection information |
156
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SIGIR
2009
ACM
16 years 1 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
194
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WIDM
1999
ACM
15 years 11 months ago
1999
ACM
Recent work on information integration has yielded novel and efficient solutions for gathering data from the World Wide Web. However, there has been little attention given to the ...
139
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ICAI
2007
15 years 8 months ago
2007
Abstract This paper reports our evaluation of the accuracy of capturing a user’s intent in an informationseeking task. Specifically, we would like to assess how accurately a use...
186
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CLEF
2005
Springer
16 years 2 days ago
2005
Springer
This document describes the CLIPS experiments in the CLEF 2005 campaign. We used a surface-syntactic parser in order to extract new indexing terms. These terms are considered synta...
196
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COOPIS
2002
IEEE
15 years 11 months ago
2002
IEEE
We extend the description logic ¢¤£¦¥¦§©¨ with a preference order on the axioms. With this strict partial order certain axioms can be overruled, if defeated with more ...