2554 search results - page 285 / 511 » Keyword query cleaning |
261
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Database queries are often exploratory and users often find their queries return too many answers, many of them irrelevant. Existing work either categorizes or ranks the results t...
160
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WSDM
2010
ACM
16 years 4 months ago
2010
ACM
Modeling query concepts through term dependencies has been shown to have a significant positive effect on retrieval performance, especially for tasks such as web search, where rel...
160
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AAAI
2008
15 years 9 months ago
2008
Search engines present fix-length passages from documents ranked by relevance against the query. In this paper, we present and compare novel, language-model based methods for extr...
214
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SPIESR
2001
15 years 8 months ago
2001
Humans tend to use high-level semantic concepts when querying and browsing multimedia databases; there is thus, a need for systems that extract these concepts and make available a...
303
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
We propose a new technique for the efficient search and navigation in XML documents and streams. This technique takes string matching algorithms designed for efficient keyword sear...