Download Logic Programming and Knowledge Representation: Third by Gerhard Brewka, Jürgen Dix (auth.), Jürgen Dix, Luís Moniz PDF

By Gerhard Brewka, Jürgen Dix (auth.), Jürgen Dix, Luís Moniz Pereira, Teodor C. Przymusinski (eds.)

This e-book offers the completely refereed post-workshop court cases of the 3rd foreign Workshop on good judgment Programming and data illustration, LPKR'97, held in Port Jefferson, manhattan, united states, in October 1997.
The 8 revised complete papers awarded have gone through a two-round reviewing technique; additionally integrated is a entire creation surveying the cutting-edge within the zone. the quantity is split into topical sections on disjunctive semantics, abduction, priorities, and updates.

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Read or Download Logic Programming and Knowledge Representation: Third International Workshop, LPKR '97 Port Jefferson, New York, USA, October 17, 1997 Selected Papers PDF

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Furbach, and A. Nerode, editors. Logic Programming and Nonmonotonic Reasoning, LNAI 1265, Berlin, 1997. Springer. 56. J¨ urgen Dix. Classifying Semantics of Logic Programs. In Anil Nerode, Wiktor Marek, and V. S.

Is intractability of nonmonotonic reasoning a real drawback? Artificial Intelligence Journal, 88:215–251, 1996. 42. Marco Cadoli, Francesco M. Donini, Marco Schaerf, and Riccardo Silvestri. On compact representations of propositional circumscription. Theoretical Computer Science, 182:183–202, 1997. (Extended abstract appeared in: On Compact Representations of Propositional Circumscription. ). 43. L. W. Lloyd. A Completeness Theorem for SLDNF-Resolution. Journal of Logic Programming, 7:177–191, 1989.

Semantics S|∼ satisfies a) Positive, resp. b) Negative Reduction iff |∼ is invariant under the following transformations: a) Replace A ← B+ ∧ not B − by A ← B + ∧ not B− ∩ Head atoms(P ) . b) Delete A ← B + ∧ not B − if there is a rule A ← true with A ⊆ B − . Now the definition of a disjunctive counterpart of WFS is straightforward: Definition 27 (D-WFS). There exists the weakest semantics satisfying positive and negative Reduction, GPPE, Elimination of Tautologies and non-minimal Rules. We call this semantics D-WFS.

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