2853 search results - page 436 / 571 » On the Efficiency of Provenance Queries |
273
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ICDE
2007
IEEE
16 years 7 months ago
2007
IEEE
Recently, there has been significant interest in developing space and time efficient solutions for answering continuous summarization queries over data streams. While these techni...
280
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
We consider the problem of creating a sample view of a database table. A sample view is an indexed, materialized view that permits efficient sampling from an arbitrary range query...
243
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ICDE
2005
IEEE
16 years 7 months ago
2005
IEEE
Large amounts of (often valuable) information are stored in web-accessible text databases. "Metasearchers" provide unified interfaces to query multiple such databases at...
268
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ICDE
2004
IEEE
16 years 7 months ago
2004
IEEE
Recent advances in research fields like multimedia and bioinformatics have brought about a new generation of hyper-dimensional databases which can contain hundreds or even thousan...
141
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WWW
2004
ACM
16 years 7 months ago
2004
ACM
Flash, as a multimedia format, becomes more and more popular on the Web. However, previous works on Flash are totally based on low-level features, which make it unpractical to bui...