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» Combining Answer Sets of Nonmonotonic Logic Programs
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KR
1998
Springer
13 years 12 months ago
Specifying Transactions for Extended Abduction
Extended abduction introduced by Inoue and Sakama (1995) generalizes traditional abduction in the sense that it can compute negative explanations by removing hypotheses from a non...
Katsumi Inoue, Chiaki Sakama
IJCAI
2007
13 years 9 months ago
A New Perspective on Stable Models
The definition of a stable model has provided a declarative semantics for Prolog programs with negation as failure and has led to the development of answer set programming. In th...
Paolo Ferraris, Joohyung Lee, Vladimir Lifschitz
LPNMR
2007
Springer
14 years 1 months ago
Head-Elementary-Set-Free Logic Programs
Abstract. The recently proposed notion of an elementary set yielded a refinement of the theorem on loop formulas, telling us that the stable models of a disjunctive logic program ...
Martin Gebser, Joohyung Lee, Yuliya Lierler
LANMR
2004
13 years 9 months ago
Computing Preferred Safe Beliefs
We recently proposed a definition of a language for nonmonotonic reasoning based on intuitionistic logic. Our main idea is a generalization of the notion of answer sets for arbitr...
Luis A. Montiel, Juan A. Navarro
TREC
2004
13 years 9 months ago
AnswerFinder at TREC 2004
AnswerFinder combines lexical, syntactic, and semantic information in various stages of the question answering process. The candidate sentences are preselected on the basis of (i)...
Diego Mollá, Mary Gardiner