305 search results - page 6 / 61 » Classification integration and reclassification using constr... |
102
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EDBT
2012
ACM
12 years 12 months ago
2012
ACM
In this paper we consider the problem of answering queries using views, with or without ontological constraints, which is important for data integration, query optimization, and d...
ICMCS
1999
IEEE
15 years 1 months ago
1999
IEEE
This paper presents an integrated framework for interactive content-based retrieval in video databases by means of visual queries. The proposed system incorporates algorithms for ...
144
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ICDE
2000
IEEE
15 years 11 months ago
2000
IEEE
We demonstrate a prototype toolkit that uses constraints and constraint violation repair techniques to enable the automated detection and, where possible, the automated resolution...
ICDT
2005
ACM
15 years 3 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
GIS
1999
ACM
15 years 1 months ago
1999
ACM
An important activity in the design of a particular database application consists in identifying the integrity constraints that must hold on the database, and that are used to det...