2853 search results - page 226 / 571 » On the Efficiency of Provenance Queries |
172
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SIGMOD
1997
ACM
15 years 10 months ago
1997
ACM
: The read-mostly environment of data warehousing makes it possible to use more complex indexes to speed up queries than in situations where concurrent updatesare present. The curr...
315
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ICDE
2009
IEEE
16 years 8 months ago
2009
IEEE
Abstract-- When dealing with massive quantities of data, topk queries are a powerful technique for returning only the k most relevant tuples for inspection, based on a scoring func...
285
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Probabilistic databases have received considerable attention recently due to the need for storing uncertain data produced by many real world applications. The widespread use of pr...
211
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KDD
1999
ACM
15 years 11 months ago
1999
ACM
Efficiently answering decision support queries is an important problem. Most of the work in this direction has been in the context of the data cube. Queries are efficiently answer...
189
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PVLDB
2008
15 years 6 months ago
2008
Query processing on uncertain data streams has attracted a lot of attentions lately, due to the imprecise nature in the data generated from a variety of streaming applications, su...