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Start Over Author "Krolikowski, Z." Topic heuristic algorithms
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1. Other Comments on "Optimization Algorithms for Distributed Queries".

Author

Cellary, W., Krolikowski, Z., and Morzy, T.

Subjects
*DISTRIBUTED databases, *MATHEMATICAL optimization, *ALGORITHMS, *COMPUTER software, *ELECTRONIC data processing
Abstract

The above paper' proposes a distributed query optimization algorithm called GENERAL. Lakhani and Wang [4] point out that the results obtained by the algorithm are not optimal. In this correspondence we point out another erroneous fact concerning the assumption of irreducibility of nonjoining attributes. We show that it is possible to generate an efficient semijoin programs with better response time than the one produced by the GENERAL algorithm. [ABSTRACT FROM AUTHOR]

Published
1988
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