8547 search results - page 1317 / 1710 » Business process management |
282
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
Accurate cardinality estimation is critically important to high-quality query optimization. It is well known that conventional cardinality estimation based on histograms or simila...
309
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SIGMOD
2007
ACM
16 years 7 months ago
2007
ACM
The family of threshold algorithm (i.e., TA) has been widely studied for efficiently computing top-k queries. TA uses a sort-merge framework that assumes data lists are pre-sorted...
216
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
We consider the problem of pipelined filters, where a continuous stream of tuples is processed by a set of commutative filters. Pipelined filters are common in stream applications...
246
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SIGMOD
2004
ACM
16 years 7 months ago
2004
ACM
We are inevitably moving into a realm where small and inexpensive wireless devices would be seamlessly embedded in the physical world and form a wireless sensor network in order t...
207
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EUROSYS
2009
ACM
16 years 4 months ago
2009
ACM
In a Multi-Variant Execution Environment (MVEE), several slightly different versions of the same program are executed in lockstep. While this is done, a monitor compares the behav...