18306 search results - page 3040 / 3662 » Algorithmics in Exponential Time |
252
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Lately the advances in centralized database management systems show a trend towards supporting rank-aware query operators, like top-k, that enable users to retrieve only the most ...
275
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Traditional duplicate elimination techniques are not applicable to many data stream applications. In general, precisely eliminating duplicates in an unbounded data stream is not f...
259
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Many analysis and monitoring applications require the repeated execution of expensive modeling functions over streams of rapidly changing data. These applications can often be exp...
304
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
This paper proposes a generic framework for monitoring continuous spatial queries over moving objects. The framework distinguishes itself from existing work by being the first to ...
315
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
Given a set of objects P and a query point q, a k nearest neighbor (k-NN) query retrieves the k objects in P that lie closest to q. Even though the problem is well-studied for sta...