Explaining incompatibilities in data dictionary design through abduction

  • Pirri F
  • Pizzuti C
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Abstract

Logic programming with abductive reasoning is used during the realization of a data dictionary with a particular methodology. Some methodological steps are represented by means of a set ofrules augmented with integrity constraints which capture the presence of incompatible concepts. Explanations for incompatibility can be inferred by exploiting abductive reasoning. To this end a new proposal for the computation of hypotheses in an abductive framework where the theory is a general logic program, is presented. It is based on a suitable manipulation of minimal three-valued models of the logic program. A method to compute three-valued minimal models of a general logic program is given. © 1994.

Author-supplied keywords

  • Abduction
  • Data dictionary design
  • Explanations
  • Logic programs
  • Three-valued interpretations

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Authors

  • Fiora Pirri

  • Clara Pizzuti

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