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THEORETICAL COMPUTER SCIENCE 1989年第2期68卷 135-154页

作者： BLAIR, HA SUBRAHMANIAN, VS Logic Programming Theory Group School of Computer & Information Science 313 Link Hall Syracuse University Syracuse NY 13244-1240 U.S.A.

This paper makes two contributions. First, we give a semantics for sets of clauses of the syntactic form L 0 ⇍ L 1 &⋯& L n where each L i is a literal. We call such clauses generally Horn clauses. Any such endeavour has to give a coherent, formal treatment of inconsistency (in the sense of two-valued logic). Thus, as a second contribution, we give a robust semantics for generally Horn programs that allows us to “make sense” of sets of generally Horn clauses that are inconsistent (in the two-valued logic sense). This applies to the design of very large knowledge bases where inconsistent information is often present.

关键词： Computer Metatheory

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Paraconsistent logic programming 7th

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7th Conference on Foundations of Software Technology and Theoretical Computer Science, FST and TCS 1987

作者： Blair, Howard A. Subrahmanian, V.S. Logic Programming Theory Group School of Computer & Information Science Syracuse University 313 Link Hall SyracuseNY13244 United States

ISBN: (纸本)9783540186250

This paper makes two contributions. Firstly, we give a semantics for sets of clauses of the form L0 ⇐ L1&.. &Ln where each Li is a literal. We call such clauses generally-Horn clauses. Any such endeavour has to give a coherent, formal treatment of inconsistency (in the sense of two-valued logic). Thus, as a second contribution, we give a robust semantics for generally-Horn programs that allows us to "make sense" of sets of generally-Horn clauses that are inconsistent (in the two-valued logic sense). This applies to the design of very large knowledge bases where inconsistent information is often present. © 1987, Springer-Verlag.

关键词： Semantics

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