NDLI: Exploiting the sources of parallelism in logic programs

Content Provider	IEEE Xplore Digital Library
Author	Nour, M. Hegazi, N.
Copyright Year	1995
Description	Author affiliation: Electron. Res. Inst., Cairo, Egypt (Nour, M.; Hegazi, N.)
Abstract	To achieve efficient and good performance of logic programs a proposed parallel execution model based on MUSE which was implemented by SICS of Sweden has been developed and implemented. This model is an amalgamation of two main types of parallelism AND-parallelism and OR-parallelism. The implementation of this model is done on a shared memory multiprocessor. Due to this model the logic program can be described by an AND/OR tree. The different branches of this tree are distributed to the available processing elements (PEs) during run time. Two scheduling techniques have been developed and implemented. In the first scheduler. The PEs are distributed through the AND/OR tree based on the sequential PROLOG (i.e. left-right depth first). The second scheduler is based on the static processing element allocation. Two benchmark programs have been used to assess the performance of this execution model; these are the natural language processing parser and an animal recognition expert system.<>
Starting Page	48
Ending Page	53
File Size	516253
Page Count	6
File Format	PDF
ISBN	0818670878
DOI	10.1109/ISADS.1995.398954
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1995-04-25
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Logic Silicon carbide Natural language processing Animals Expert systems
Content Type	Text
Resource Type	Article

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