2199 search results - page 362 / 440 » Information retrieval using hierarchical dirichlet processes |
189
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SIGMOD
2012
ACM
13 years 8 months ago
2012
ACM
Query substitution is an important problem in information retrieval. Much work focuses on how to find substitutes for any given query. In this paper, we study how to efficiently ...
194
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GEOINFORMATICA
1998
15 years 5 months ago
1998
ally related entity types, or classes, into higher level, more abstract types, as part of a hierarchical classi®cation scheme. graphy, generalization retains the notion of abstrac...
164
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WWW
2006
ACM
16 years 6 months ago
2006
ACM
We introduce the notion of query substitution, that is, generating a new query to replace a user's original search query. Our technique uses modifications based on typical su...
179
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WSDM
2009
ACM
16 years 22 days ago
2009
ACM
Recently the re-ranking algorithms have been quite popular for web search and data mining. However, one of the issues is that those algorithms treat the content and link informati...
157
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CIKM
2009
Springer
16 years 15 days ago
2009
Springer
Wikis are currently used in business to provide knowledge management systems, especially for individual organizations. However, building wikis manually is a laborious and time-con...