2514 search results - page 221 / 503 » On the Computation of Approximations of Database Queries |
151
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DEBU
2010
15 years 4 months ago
2010
Provenance is often used to validate data, by verifying its origin and explaining its derivation. When searching for "causes" of tuples in the query results or in genera...
205
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ISPAN
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract—Querying non-conventional data sources is recognized as a major issue in new environments and applications such as those occurring in pervasive computing. A key issue is...
202
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HPDC
2000
IEEE
15 years 11 months ago
2000
IEEE
The dQUOB system satis es client need for speci c information from high-volume data streams. The data streams we speak of are the ow of data existing during large-scale visualizat...
193
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PODS
2003
ACM
16 years 6 months ago
2003
ACM
The sliding window model is useful for discounting stale data in data stream applications. In this model, data elements arrive continually and only the most recent N elements are ...
204
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ICIP
2008
IEEE
16 years 8 months ago
2008
IEEE
In this paper a new content-based copy identification method for video sequences is presented. It is robust to a number of image transformations and particulary robust to compress...