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ICLP
2003
Springer
13 years 10 months ago
Loop Formulas for Disjunctive Logic Programs
Abstract. We extend Clark’s definition of a completed program and the definition of a loop formula due to Lin and Zhao to disjunctive logic programs. Our main result, generaliz...
Joohyung Lee, Vladimir Lifschitz
CADE
2001
Springer
14 years 5 months ago
A Top-Down Procedure for Disjunctive Well-Founded Semantics
Abstract. Skepticism is one of the most important semantic intuitions in artificial intelligence. The semantics formalizing skeptical reasoning in (disjunctive) logic programming i...
Kewen Wang
NMR
2004
Springer
13 years 10 months ago
On acyclic and head-cycle free nested logic programs
We define the class of head-cycle free nested logic programs, and its proper subclass of acyclic nested programs, generalising similar classes originally defined for disjunctive...
Thomas Linke, Hans Tompits, Stefan Woltran
AGP
2003
IEEE
13 years 10 months ago
Enhancing Disjunctive Logic Programming for Ontology Specification
This paper is a presentation of ONTO-DLP, an extension of Disjunctive Logic Programming (DLP) for complex knowledge modelling. ONTO-DLP enhances DLP by constructs coming from othe...
Francesco Calimeri, Stefania Galizia, Massimo Ruff...
CSL
2001
Springer
13 years 9 months ago
On a Generalisation of Herbrand's Theorem
In this paper we investigate the purely logical rule of term induction, i.e. induction deriving numerals instead of arbitrary terms. In this system it is not possible to bound the ...
Matthias Baaz, Georg Moser