888 search results - page 52 / 178 » Query expansion using associated queries |
CLEF
2010
Springer
13 years 11 months ago
2010
Springer
Abstract. We design and validate simulators for generating queries and relevance judgments for retrieval system evaluation. We develop a simulation framework that incorporates exis...
WWW
2009
ACM
14 years 10 months ago
2009
ACM
To deal with the problem of empty or too little answers returned from a Web database in response to a user query, this paper proposes a novel approach to provide relevant and rank...
VLDB
2004
ACM
14 years 3 months ago
2004
ACM
We consider the problem of data sharing between autonomous data sources in an environment where constraints cannot be placed on the shared contents of sources. Our solutions rely ...
PVLDB
2010
13 years 8 months ago
2010
Probabilistic databases hold promise of being a viable means for large-scale uncertainty management, increasingly needed in a number of real world applications domains. However, q...
ECIR
2010
Springer
13 years 11 months ago
2010
Springer
In this paper, we complement the term frequency, which is used in many bag-of-words based information retrieval models, with information about the semantic relatedness of query and...