2514 search results - page 199 / 503 » On the Computation of Approximations of Database Queries |
247
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VLDB
2009
ACM
16 years 6 months ago
2009
ACM
In this paper, we study the problem of continuous monitoring of reverse k nearest neighbor queries. Existing continuous reverse nearest neighbor monitoring techniques are sensitive...
183
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ICCV
2003
IEEE
15 years 12 months ago
2003
IEEE
Concept learning in content-based image retrieval (CBIR) systems is a challenging task. This paper presents an active concept learning approach based on mixture model to deal with...
185
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MIDDLEWARE
2005
Springer
16 years 2 days ago
2005
Springer
These last years, the evolution of nomadic terminals and mobile networks has yield to the development of the ubiquitous computing. In this context, actual query evaluation and opt...
236
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ITICSE
2004
ACM
16 years 1 days ago
2004
ACM
Final year, group (capstone) projects in computing disciplines are often expected to fill multiple roles: in addition to allowing students to learn important domain-specific knowl...
272
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
The All Nearest Neighbor (ANN) operation is a commonly used primitive for analyzing large multi-dimensional datasets. Since computing ANN is very expensive, in previous works R*-t...