2853 search results - page 376 / 571 » On the Efficiency of Provenance Queries |
176
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DEXA
2003
Springer
15 years 11 months ago
2003
Springer
Moving-objects databases need a spatio-temporal indexing scheme for moving objects to efficiently process queries over continuously changing locations of the objects. A simple exte...
149
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IPPS
1998
IEEE
15 years 10 months ago
1998
IEEE
Multi-dimensional index structures such as R-trees enable fast searching in high-dimensional spaces. They differ from uni-dimensional structures in the following aspects: (1) inde...
170
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ICALP
1990
Springer
15 years 10 months ago
1990
Springer
We show how (now familiar) hierarchical representations of (convex) polyhedra can be used to answer various separation queries efficiently (in a number of cases, optimally). Our e...
168
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ACSC
2004
IEEE
15 years 10 months ago
2004
IEEE
Indexes are the key technology underpinning efficient text search. A range of algorithms have been developed for fast query evaluation and for index creation, but update algorithm...
152
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DEXA
2006
Springer
15 years 10 months ago
2006
Springer
The composition of services that are indexed in a large-scale service directory often involves many complex queries issued by the service composition algorithm to the directory. Th...