3341 search results - page 71 / 669 » On Bounded Queries and Approximation |
109
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AAAI
2007
15 years 4 days ago
2007
Efficient query answering over ontologies is one of the most useful and important services to support Semantic Web applications. Approximation has been identified as a potential...
GEOINFORMATICA
1998
14 years 9 months ago
1998
The issue of ®nding similar 3-D surface segments arises in many recent applications of spatial database systems, such as molecular biology, medical imaging, CAD, and geographic i...
109
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INFOCOM
2012
IEEE
13 years 8 days ago
2012
IEEE
—This paper addresses the joint selection and power assignment of a largest set of given links which can communicate successfully at the same time under the physical interference...
172
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Similarity-based search over time-series databases has been a hot research topic for a long history, which is widely used in many applications, including multimedia retrieval, dat...
100
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AMW
2009
14 years 11 months ago
2009
We investigate the space requirements for summaries needed for maintaining exact answers to aggregate queries over histories of relational databases. We show that, in general, a su...