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Refining action theories through abductive logic programming

  • Renwei Li
  • Luis Moniz Pereira
  • Veronica Dahl
Conference paper
Part of the Lecture Notes in Computer Science book series (LNCS, volume 1471)

Abstract

Reasoning about actions and changes often starts with an action theory which is then used for planning, prediction or explanation. In practice it is sometimes not simple to give an immediately available action theory. In this paper we will present an abductive methodology for describing action domains. We start with an action theory which is not complete, i.e., has more than one model. Then, after some tests are done, we can abduce a complete action theory. Technically, we use a high level action language to describe incomplete domains and tests. Then, we present a translation from domain descriptions to abductive logic programs. Using tests, we then abductively refine an original domain description to a new one which is closer to the domain in reality. The translation has been shown to be both sound and complete. The result of this paper can be used not only for refinement of domain descriptions but also for abductive planning, prediction and explanation. The methodology presented in this paper has been implemented by an abductive logic programming system.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1998

Authors and Affiliations

  • Renwei Li
    • 1
  • Luis Moniz Pereira
    • 1
  • Veronica Dahl
    • 2
  1. 1.Center for Artificial Intelligence (CENTRIA) Department of Computer ScienceUniversidade Nova de LisboaMonte de CaparicaPortugal
  2. 2.School of Computing ScienceSimon Fraser UniversityBurnabyCanada

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