2063 search results - page 249 / 413 » Containment of Aggregate Queries |
156
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MM
1999
ACM
15 years 9 months ago
1999
ACM
The Informedia Digital Video Library contains over 2000 hours of video, growing at a rate of 15 hours per week. A good query engine is not sufficient for information retrieval bec...
130
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GIS
1999
ACM
15 years 9 months ago
1999
ACM
Spatial indexes, such as the PMR quadtree, are important in spatial databases for efficient execution of queries involving spatial constraints, especially when the queries involv...
182
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AIPR
2004
IEEE
15 years 9 months ago
2004
IEEE
This paper describes a novel color texture-based image retrieval system for the query of an image database to find similar images to a target image. The retrieval process involves...
133
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DLOG
2007
15 years 7 months ago
2007
We now know that the addition of a concept constructor called a Path Functional Dependency (PFD) to the Boolean-complete description logic DLF leads to undecidability of ABox consi...
137
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CIKM
2008
Springer
15 years 7 months ago
2008
Springer
There is an increasing need for sharing data repositories containing personal information across multiple distributed, possibly untrusted, and private databases. Such data sharing...