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The Computer Journal 1990 33(3):215-218; doi:10.1093/comjnl/33.3.215
© 1990 by British Computer Society
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Competition: A Model of AND-Parallel Execution of Logic Programs

K. W. Ng1 * and H. F. Leung2 §

1 Department of Computer Science, School of Electrical Engineering and Computer Science, The University of New South Wales, P.O. Box 1, Kensington, NSW 2033, Australia, 2 Dept. of Computing, Imperial College, London, SW7 2BZ, UK

In this paper an execution model for AND-parallel execution of logic programs is presented. This model is designed on the basis on the Lin-Kumar-Leung model and a Backward Execution algorithm proposed by Conery. The new algorithm is potentially more efficient than the Lin-Kumar-Leung model, and is also better than the Conery model because it is applicable to non-static data dependency graphs.

Received September 1987. revised November 1989.

* Present address: Department of Computer Science, School of Electrical Engineering and Computer Science, The University of New South Wales, P.O. Box 1, Kensington, NSW 2033, Australia.

§ Dept. of Computing, Imperial College, London, SW7 2BZ.

Department of Computer Science, The Chinese University of Hong Kong, Shatin, N. T., Hong Kong


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