27756 search results - page 453 / 5552 » Process Query Systems |
229
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ICDE
2001
IEEE
16 years 6 months ago
2001
IEEE
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...
163
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ICIP
1998
IEEE
16 years 6 months ago
1998
IEEE
We describe a new invariant-based data model for image databases under our approach for shape-based retrieval. The data model relies on contours description of the image shape, an...
145
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DKE
1998
15 years 4 months ago
1998
Disk I/O is a major bottleneck for query processing in database applications. This bottleneck is especially a problem for temporal databases because of their large size. Reduction...
131
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QI
2009
Springer
15 years 11 months ago
2009
Springer
Information Retrieval (IR) systems try to identify documents relevant to user queries, which are representations of user information needs. Interaction, context, and document struc...
114
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BTW
2007
Springer
15 years 11 months ago
2007
Springer
: The paper presents YAWN, a system to convert the well-known and widely used Wikipedia collection into an XML corpus with semantically rich, self-explaining tags. We introduce alg...