6846 search results - page 984 / 1370 » Querying a summary of database |
237
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VLDB
2004
ACM
16 years 29 days ago
2004
ACM
Given a point q, a reverse k nearest neighbor (RkNN) query retrieves all the data points that have q as one of their k nearest neighbors. Existing methods for processing such quer...
184
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SSDBM
2010
IEEE
16 years 21 days ago
2010
IEEE
We present a technique for organizing data in spatial databases with non-convex domains based on an automatic characterization using the medial-axis transform (MAT). We define a t...
204
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DEXAW
1999
IEEE
15 years 12 months ago
1999
IEEE
Objects like road networks, CAD/CAM components, electrical or electronic circuits, molecules, can be represented as graphs, in many modern applications. In this paper, we propose ...
218
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SIGMOD
1998
ACM
15 years 12 months ago
1998
ACM
For an increasing number of modern database applications, efficient support of similarity search becomes an important task. Along with the complexity of the objects such as images...
189
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VLDB
1998
ACM
15 years 11 months ago
1998
ACM
Numerous applications such as stock market or medical information systems require that both historical and current data be logically integrated into a temporal database. The under...