6650 search results - page 314 / 1330 » Mutating database queries |
273
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ICDE
1997
IEEE
16 years 6 months ago
1997
IEEE
2. ODB-QOPTIMIZER : the tool ODB-QOPTIMIZERis a ODMG 93 compliant tool for the schema validation and semantic query optimization. The approach is based on two fundamental ingredien...
128
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SIGMOD
2003
ACM
16 years 5 months ago
2003
ACM
Decision-support applications generate queries with complex predicates. We show how the factorization of complex query expressions exposes significant opportunities for exploiting...
165
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PODS
2002
ACM
16 years 4 months ago
2002
ACM
We consider conjunctive queries with arithmetic comparisons over multiple continuous data streams. We specify an algorithm for determining whether or not a query can be evaluated ...
165
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PODS
2002
ACM
16 years 4 months ago
2002
ACM
We introduce and investigate a distributed computation model for querying the Web. Web queries are computed by interacting automata running at different nodes in the Web. The auto...
154
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ICDE
2005
IEEE
15 years 10 months ago
2005
IEEE
Sensor networks are an emerging technology that provide new means to monitor and understand various phenomena. Nodes in a sensor network typically have a limited power supply, thu...