4051 search results - page 482 / 811 » Aggregation |
278
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
Efficiently and accurately searching for similarities among time series and discovering interesting patterns is an important and non-trivial problem. In this paper, we introduce a...
250
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
Given a region qR and a future timestamp qT, a "range aggregate" query estimates the number of objects expected to appear in qR at time qT. Currently the only methods fo...
242
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ICDE
2005
IEEE
16 years 6 months ago
2005
IEEE
Efficient one-pass computation of F0, the number of distinct elements in a data stream, is a fundamental problem arising in various contexts in databases and networking. We consid...
230
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ICDE
2004
IEEE
16 years 6 months ago
2004
IEEE
Data cube computation and representation are prohibitively expensive in terms of time and space. Prior work has focused on either reducing the computation time or condensing the r...
239
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ICDE
2003
IEEE
16 years 6 months ago
2003
IEEE
Semantic caches, originally proposed for client-server database systems, are being recently deployed to accelerate the serving of dynamic web content by transparently caching data...