469 search results - page 51 / 94 » Cluster-based query expansion |
144
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SIGIR
2009
ACM
15 years 11 months ago
2009
ACM
We investigate using topic prediction data, as a summary of document content, to compute measures of search result quality. Unlike existing quality measures such as query clarity ...
127
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ECIR
2010
Springer
15 years 6 months ago
2010
Springer
Abstract. Users often search for entities instead of documents and in this setting are willing to provide extra input, in addition to a query, such as category information and exam...
121
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ACL
1998
15 years 5 months ago
1998
A layered approach to information retrieval permits the inclusion of multiple search engines as well as multiple databases, with a natural language layer to convert English querie...
132
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DAM
2008
15 years 4 months ago
2008
This paper presents an algebraic formalism for reasoning on finite increasing sequences over Boolean algebras in general and on generalizations of Rough Set concepts in particular...
133
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WWW
2006
ACM
16 years 5 months ago
2006
ACM
We address the problem of answering broad-topic queries on the World Wide Web. We present a link based analysis algorithm SelHITS, which is an improvement over Kleinberg's HI...