5954 search results - page 503 / 1191 » Querying Bi-level Information |
181
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CIKM
2005
Springer
16 years 21 days ago
2005
Springer
The quality of document content, which is an issue that is usually ignored for the traditional ad hoc retrieval task, is a critical issue for Web search. Web pages have a huge var...
175
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DEXA
2005
Springer
16 years 21 days ago
2005
Springer
XML query processing is one of the most active areas of database research. Although the main focus of past research has been the processing of structural XML queries, there are gro...
204
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ESWS
2010
Springer
15 years 12 months ago
2010
Springer
Now motivated also by the partial support of major search engines, hundreds of millions of documents are being published on the web embedding semi-structured data in RDF, RDFa and ...
216
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PODS
2000
ACM
15 years 11 months ago
2000
ACM
We study the problem of auditing databases which support statistical sum queries to protect the security of sensitive information; we focus on the special case in which the sensit...
172
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CLEF
2008
Springer
15 years 9 months ago
2008
Springer
In this paper, we assess the impact of using thesaurus-based query expansion methods, at the Information Retrieval (IR) stage of a Question Answering (QA) system. We focus on expan...