3225 search results - page 382 / 645 » Query Optimization by Stored Queries |
147
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WWW
2003
ACM
16 years 7 months ago
2003
ACM
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
194
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STOC
2006
ACM
16 years 6 months ago
2006
ACM
Local Search problem, which finds a local minimum of a black-box function on a given graph, is of both practical and theoretical importance to combinatorial optimization, complexi...
273
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
The current SQL standard for access control is coarse grained, in that it grants access to all rows of a table or none. Fine-grained access control, which allows control of access...
188
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
Spatial Database Management Systems (SDBMS), e.g., Geographical Information Systems, that manage spatial objects such as points, lines, and hyper-rectangles, often have very high ...
143
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EDBT
2002
ACM
16 years 6 months ago
2002
ACM
For a spatial database management system, it is an important goal to minimize the I/O-cost of queries and other operations. Several page-replacement strategies have been proposed a...