1860 search results - page 118 / 372 » A Model of Queries for Object-Oriented Databases |
155
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ICCV
2003
IEEE
15 years 10 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...
167
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WWW
2011
ACM
14 years 12 months ago
2011
ACM
The ability to aggregate huge volumes of queries over a large population of users allows search engines to build precise models for a variety of query-assistance features such as ...
144
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DKE
1998
15 years 4 months ago
1998
The issues of schema evolution and temporal object models are generally considered to be orthogonal and are handled independently. However, to properly model applications that nee...
118
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SIGIR
1996
ACM
15 years 9 months ago
1996
ACM
We present a deductive data model for concept-based query expansion. It is based abstraction levels: the conceptual, the expression and the occurrence level. Concepts and their re...
237
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ICDE
2007
IEEE
16 years 6 months ago
2007
IEEE
Modern enterprise applications are forced to deal with unreliable, inconsistent and imprecise information. Probabilistic databases can model such data naturally, but SQL query eva...