714 search results - page 3 / 143 » Conceptual Query Expansion |
ACL
2007
13 years 9 months ago
2007
We present an approach to query expansion in answer retrieval that uses Statistical Machine Translation (SMT) techniques to bridge the lexical gap between questions and answers. S...
DKE
2010
13 years 7 months ago
2010
An ontology is a formal conceptualization of a domain, specifying the concepts of the domain and the relations between them. It is however not a straight forward task to use this ...
SIGIR
2003
ACM
14 years 27 days ago
2003
ACM
Much attention has been paid to the relative effectiveness of interactive query expansion versus automatic query expansion. Although interactive query expansion has the potential ...
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ECIR
2009
Springer
13 years 5 months ago
2009
Springer
Query expansion is an effective technique in improving the retrieval performance for ad-hoc retrieval. However, query expansion can also fail, leading to a degradation of the retri...
RIAO
2007
13 years 9 months ago
2007
Document expansion and query expansion aim to add related terms into document and query representations in order to make them more complete. However, most previous studies are lim...