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Control flow versus logic: A denotational and a declarative model for Guarded Horn Clauses

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Mathematical Foundations of Computer Science 1989 (MFCS 1989)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 379))

Abstract

The paper gives four semantic models for Guarded Horn Clauses (GHC). Two operational models are based on a transition system; the first one gives the set of computed answer substitutions (the so-called success set) and the second one takes deadlock and infinite behaviour into account. They are easily related. The main purpose of the paper is to develop compositional models for GHC that are correct with respect to the operational models. For the success set case we give a compositional declarative semantics which can be seen a an extension of models for Horn Clause Logic. Further, a metric semantics that uses tree-like structures is given, which is proved to be correct with respect to the second operational semantics.

Part of this work was carried out in the context of ESPRIT 415: Parallel Architectures and Languages for Advanced Information Processing — a VLSI-directed approach.

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Authors and Affiliations

  1. Centre for Mathematics and Computer Science, P.O. Box 4079, 1009 AB, Amsterdam, The Netherlands

    Frank S. de Boer & Jan J. M. M. Rutten

  2. Department of Computer Science, University of Utrecht, P.O. Box 80089, 3508 TB, Utrecht, The Netherlands

    Joost N. Kok

  3. Dipartimento di Informatica, Università di Pisa, Corso Italia 40, 56100, Pisa, Italy

    Catuscia Palamidessi

Authors
  1. Frank S. de Boer
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  2. Joost N. Kok
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  3. Catuscia Palamidessi
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  4. Jan J. M. M. Rutten
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Antoni Kreczmar Grazyna Mirkowska

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© 1989 Springer-Verlag Berlin Heidelberg

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de Boer, F.S., Kok, J.N., Palamidessi, C., Rutten, J.J.M.M. (1989). Control flow versus logic: A denotational and a declarative model for Guarded Horn Clauses. In: Kreczmar, A., Mirkowska, G. (eds) Mathematical Foundations of Computer Science 1989. MFCS 1989. Lecture Notes in Computer Science, vol 379. Springer, Berlin, Heidelberg. https://doi.org/10.1007/3-540-51486-4_64

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  • DOI: https://doi.org/10.1007/3-540-51486-4_64

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  • Online ISBN: 978-3-540-48176-8

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