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Logic programs with classical negation

Michael Gelfond, +1 more
- pp 579-597
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This article is published in International Conference on Lightning Protection.The article was published on 1990-05-01 and is currently open access. It has received 602 citations till now. The article focuses on the topics: Negation & Predicate functor logic.

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Journal ArticleDOI

MWeb: A principled framework for modular web rule bases and its semantics

TL;DR: In this article, a principled framework for modular Web rule bases, called MWeb, is presented, where each predicate defined in a rule base is characterized by its defining reasoning mode, scope, and exporting rule base list.
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Autoepistemic logic of knowledge and beliefs

TL;DR: The proposed logic constitutes a powerful new formalism which can serve as a unifying frame-work for several major nonmonotonic formalisms, which allows to better understand mutual relationships existing between different formalisms and semantics and enables to provide them with simpler and more natural definitions.
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An Abductive Proof Procedure for Reasoning About Actions in Modal Logic Programming

TL;DR: A modal language is introduced which makes use of abductive assumptions to deal with persistency, and provides a solution to the ramification problem, by allowing one-way “causal rules” to be defined among fluents.
Book ChapterDOI

Implementing query answering for hybrid MKNF knowledge bases

TL;DR: This paper provides algorithms to relate the entailments of the ontology and the inferences of rules, and describes the implementation of a query-driven system, CDF-Rules, for hybrid knowledge bases combining both (non-monotonic) rules under the well-founded semantics and a (monotony) ontology, represented by a CDF ($\mathcal{ALCQ}$) theory.
Journal ArticleDOI

Query-Driven Procedures for Hybrid MKNF Knowledge Bases

TL;DR: It is shown that query-driven Hybrid MKNF preserves polynomial data complexity when using the EL+ oracle and WFS, and is sound with respect to the stable model-based semantics, and sound and complete withrespect to its WFS variant.