7640 search results - page 1080 / 1528 » Event Database Processing |
272
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ICDE
2001
IEEE
16 years 8 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...
293
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
427
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
In high-dimensional and complex metric spaces, determining the nearest neighbor (NN) of a query object ? can be a very expensive task, because of the poor partitioning operated by...
298
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ICDE
1999
IEEE
16 years 8 months ago
1999
IEEE
Modern digital libraries require user-friendly and yet responsive access to the rapidly growing, heterogeneous, and distributed collection of information sources. However, the inc...
290
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ICDE
1996
IEEE
16 years 8 months ago
1996
IEEE
The Mariposa distributed data manager uses an economic model for managing the allocation of both storage objects and queries to servers. In this paper, we present extensions to th...