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CI
2004
125views more  CI 2004»
13 years 7 months ago
Reasoning about Actions and Planning with Preferences Using Prioritized Default Theory
This paper shows how action theories, expressed in an extended version of the language B, can be naturally encoded using Prioritized Default Theory. We also show how prioritized d...
Tran Cao Son, Enrico Pontelli
AAAI
2010
13 years 7 months ago
First-Order Indefinability of Answer Set Programs on Finite Structures
An answer set program with variables is first-order definable on finite structures if the set of its finite answer sets can be captured by a first-order sentence, otherwise this p...
Yin Chen, Yan Zhang, Yi Zhou
GLOBE
2009
Springer
14 years 7 days ago
Designing, Specifying and Querying Metadata for Virtual Data Integration Systems
Abstract. We show how to specify and use the metadata for a virtual and relational data integration system under the local-as-view (LAV) approach. We use XML and RuleML for represe...
Leopoldo E. Bertossi, Gayathri Jayaraman
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...
LPNMR
2009
Springer
14 years 2 months ago
Translating Preferred Answer Set Programs to Propositional Logic
Abstract. We consider the problem of whether a given preferred answer set program can be reduced to a propositional formula. Research on this topic is of both theoretical and pract...
Vernon Asuncion, Yan Zhang