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Isoinitial Semantics for Logic Programs

  • Kung-Kiu Lau
  • Mario Ornaghi
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1861)

Abstract

The Herbrand model H of a definite logic program P is an initial model among the class of all the models of P, interpreting P as an initial theory. Such a theory (program) proves (computes) only positive literals (atoms) in P, so it does not deal with negation. In this paper, we introduce isoinitial semantics for logic programs and show that it can provide a rich semantics for logic programs, which can deal with not just negation, but also incomplete information, parametricity and compositionality.

Keywords

Logic Program Logic Programming Open Program Constant Symbol Ground Atom 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 2000

Authors and Affiliations

  • Kung-Kiu Lau
    • 1
  • Mario Ornaghi
    • 2
  1. 1.Dept. of Computer ScienceUniversity of ManchesterUK
  2. 2.Dip. di Scienze dell’InformazioneUniversita’ degli studi di MilanoItaly

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