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P-Prolog: A parallel logic language based on exclusive relation

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Abstract

This paper presents a parallel logic programming language named P-Prolog which is being developed as a logic programming language featuring both and- and or-parallelism. Compared with the other parallel logic programming languages, syntactic constructs such as read-only annotation,6) mode declaration2) and communication constraints7) are not used in P-Prolog. A new concept introduced in P-Prolog is the exclusive relation of guarded Horn clauses. Advances included in P-prolog. are:

  1. (1)

    The synchronization mechanism can determine the direction of data flow dynamically.

  2. (2)

    Guarded Horn clauses can be interpreted as eitherdon’t care nondeterminism ordon’t know non-determinism.

A prototype interpreter of P-Prolog has been implemented in C-Prolog. We are now implementing a P-Prolog interpreter in the C language.

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References

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  7. Ueda K., “Guarded Horn Clauses,”Technical Report, TR-103, ICOT, Tokyo, June, 1985.

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Authors and Affiliations

  1. Department of Electrical Engeneering, Keio University, 223, Yokohama, Japan

    Rong Yang & Hideo Aiso

Authors
  1. Rong Yang
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  2. Hideo Aiso
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Yang, R., Aiso, H. P-Prolog: A parallel logic language based on exclusive relation. New Gener Comput 5, 79–95 (1987). https://doi.org/10.1007/BF03037459

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  • DOI: https://doi.org/10.1007/BF03037459

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