34170 search results - page 741 / 6834 » Optimization |
241
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EWDW
1994
15 years 11 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
200
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KDD
1994
ACM
15 years 11 months ago
1994
ACM
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...
207
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TAPSOFT
1993
Springer
15 years 11 months ago
1993
Springer
Lamping's optimalgraph reduction technique for the -calculus is generalized to a new class of higher order rewriting systems, called Interaction Systems. Interaction Systems ...
210
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VLDB
1994
ACM
15 years 11 months ago
1994
ACM
We address the problem of finding parallel plans for SQL queries using the two-phase approach of join ordering followed by parallelization. We focus on the parallelization phase a...
216
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SIGMOD
1992
ACM
15 years 11 months ago
1992
ACM
This paper describes the Query Rewrite facility of the Starburst extensible database system, a novel phase of query optimization. We present a suite of rewrite rules used in Starb...