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» Open answer set programming for the semantic web
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LPNMR
2009
Springer
14 years 12 days ago
On Reductive Semantics of Aggregates in Answer Set Programming
Several proposals of the semantics of aggregates are based on different extensions of the stable model semantics, which makes it difficult to compare them. In this note, building ...
Joohyung Lee, Yunsong Meng
FOIKS
2008
Springer
13 years 9 months ago
Alternative Characterizations for Program Equivalence under Answer-Set Semantics Based on Unfounded Sets
Logic programs under answer-set semantics constitute an important tool for declarative problem solving. In recent years, two research issues received growing attention. On the one ...
Martin Gebser, Torsten Schaub, Hans Tompits, Stefa...
ESWS
2006
Springer
13 years 11 months ago
PowerAqua: Fishing the Semantic Web
The Semantic Web (SW) offers an opportunity to develop novel, sophisticated forms of question answering (QA). Specifically, the availability of distributed semantic markup on a lar...
Vanessa Lopez, Enrico Motta, Victoria S. Uren
ASP
2005
Springer
14 years 1 months ago
Combining Answer Sets of Nonmonotonic Logic Programs
This paper studies compositional semantics of nonmonotonic logic programs. We suppose the answer set semantics of extended disjunctive programs and consider the following problem. ...
Chiaki Sakama, Katsumi Inoue
CORR
2008
Springer
110views Education» more  CORR 2008»
13 years 8 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