3225 search results - page 261 / 645 » Query Optimization by Stored Queries |
177
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ICDT
2003
ACM
15 years 11 months ago
2003
ACM
We state and solve the query reformulation problem for XML publishing in a general setting that allows mixed (XML and relational) storage for the proprietary data and exploits redu...
176
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COOPIS
2002
IEEE
15 years 11 months ago
2002
IEEE
Mobile services offering multi-feature query capabilities must meet tough response time requirements to gain customer acceptance. The top-k query model is a popular candidate to im...
163
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ICMCS
2000
IEEE
15 years 10 months ago
2000
IEEE
We describe a subsystem of a content-based image retrieval (CBIR) environment that supports a user in the definition of image similarity. Out of a single image or a set of query i...
203
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COCO
2000
Springer
15 years 10 months ago
2000
Springer
It is known that the classical and quantum query complexities of a total Boolean function f are polynomially related to the degree of its representing polynomial, but the optimal ...
165
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COOPIS
2004
IEEE
15 years 10 months ago
2004
IEEE
Abstract. We consider the use of a cluster system for managing autonomous databases. In order to improve the performance of read-only queries, we strive to exploit user requirement...