6650 search results - page 197 / 1330 » Mutating database queries |
263
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ICDE
2008
IEEE
16 years 5 months ago
2008
IEEE
This paper introduces U-relations, a succinct and purely relational representation system for uncertain databases. U-relations support attribute-level uncertainty using vertical pa...
145
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VLDB
1991
ACM
15 years 7 months ago
1991
ACM
We propose a two-pha.se algorithm for physical database design. In phase one the algorithm, for each logical query, losesrules to determine characteristics of a physical design (s...
125
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EDBTW
2004
Springer
15 years 9 months ago
2004
Springer
This paper describes XPeer, a zero-administration system for sharing and querying XML data. The system allows users to share XML data without significant human intervention, and t...
167
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DAGSTUHL
1993
15 years 5 months ago
1993
Abstract. We present the hybrid query language HQL/EER for an Extended Entity-Relationship model. As its main characteristic, this language allows a user to freely mix graphical an...
115
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CLEF
2009
Springer
15 years 1 months ago
2009
Springer
We introduce a new multimodal retrieval technique which combines query reformulation and visual image reranking in order to deal with results sparsity and imprecision, respectively...