2607 search results - page 248 / 522 » An Ontology-Based Information Retrieval Model |
225
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
In this paper, we describe MySearchView ? a system for assembling search engines into metasearch engines. With this system, any user can create a metasearch engine by simply letti...
182
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ECIR
2008
Springer
15 years 8 months ago
2008
Springer
In document retrieval using pseudo relevance feedback, after initial ranking, a fixed number of top-ranked documents are selected as feedback to build a new expansion query model. ...
199
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ECIR
2011
Springer
14 years 10 months ago
2011
Springer
Abstract. As retrieval systems become more complex, learning to rank approaches are being developed to automatically tune their parameters. Using online learning to rank approaches...
186
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
While we expect to discover knowledge in the texts available on the Web, such discovery usually requires many complex analysis steps, most of which require different text handling...
171
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ECIR
2007
Springer
15 years 8 months ago
2007
Springer
This paper extends previous work on document retrieval and document type classification, addressing the problem of ‘typed search’. Specifically, given a query and a designated ...