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Open AccessProceedings Article

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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Book ChapterDOI

Multi-context Systems with Preferences

TL;DR: The paper introduces the notion of a ranked logic, suitable for use with multiple sources of preferences, and employs it in the definition of weakly and strongly-preferred equilibria in a Multi-Context Systems with Preferences (MCSP) framework.
Book ChapterDOI

Proof-theory for Extensions of Logic Programming

TL;DR: The focus of this paper lies on the proof-theory for extensions of Logic Programming in which it is possible to draw negative conclusions both in a direct (i.e., based on a proof) and in an indirect way.

Parallel Logic Programming with Extensions.

TL;DR: A large medium-term national research project to promote the evolution of Prolog towards a more expressive new logic programming language, and the resulting language, PROLOPPE, will integrate the above aspects.
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Quality of knowledge in group decision support systems

TL;DR: This work addressed the problem of knowledge evaluation in a VirtualECare Group Decision Supporting System (GDSS) in terms of an Multi-valued Extended Logic Programming language, which is aimed at sustaining online healthcare services.