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» On the Semantics of Logic Program Composition
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IJCAI
2003
13 years 9 months ago
Aggregate Functions in Disjunctive Logic Programming: Semantics, Complexity, and Implementation in DLV
Disjunctive Logic Programming (DLP) is a very expressive formalism: it allows to express every property of finite structures that is decidable in the complexity class ¡£¢¤ (...
Tina Dell'Armi, Wolfgang Faber, Giuseppe Ielpa, Ni...
ICLP
2001
Springer
14 years 3 days ago
Fixed-Parameter Complexity of Semantics for Logic Programs
In the paper we establish the xed-parameter complexity for several parameterized decision problems involving models, supported models and stable models of logic programs. We also e...
Zbigniew Lonc, Miroslaw Truszczynski
SIGSOFT
2003
ACM
14 years 8 months ago
Ontology support for web service processes
Web Services are software services that can be advertised by providers and deployed by customers using Web technologies. This concept is currently carried further to address Web s...
Claus Pahl, Michael Casey
CORR
2008
Springer
110views Education» more  CORR 2008»
13 years 7 months ago
Justifications for Logic Programs under Answer Set Semantics
The paper introduces the notion of off-line justification for Answer Set Programming (ASP). Justifications provide a graph-based explanation of the truth value of an atom w.r.t. a ...
Enrico Pontelli, Tran Cao Son, Omar El-Khatib
CADE
2001
Springer
14 years 8 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