1487 search results - page 200 / 298 » Representing and Querying Data Transformations |
103
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SIGIR
2006
ACM
15 years 7 months ago
2006
ACM
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
113
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SEMWEB
2005
Springer
15 years 7 months ago
2005
Springer
Abstract. In this paper we benchmark three popular database representations of RDF/S schemata and data: (a) a schema-aware (i.e., one table per RDF/S class or property) with explic...
CIKM
2008
Springer
15 years 3 months ago
2008
Springer
In this paper, we investigate the problem of improving the relevance of a Web search engine by adapting it to the dynamic needs of the user. We examine a representative case of su...
116
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IS
2008
15 years 1 months ago
2008
Abstract. Sharing of structured data in decentralized environments is a challenging problem, especially in the absence of a global schema. Social network structures map network lin...
111
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PVLDB
2010
15 years 5 days ago
2010
Mashups are situational applications that join multiple sources to better meet the information needs of Web users. Web sources can be huge databases behind query interfaces, which...