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» The logic of proofs, semantically
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ICAIL
2011
ACM
14 years 6 months ago
On the relationship between Carneades and Defeasible Logic
We study the formal relationships between the inferential aspects of Carneades (a general argumentation framework) and Defeasible Logic. The outcome of the investigation is that t...
Guido Governatori
LPNMR
2009
Springer
16 years 1 months ago
A Default Approach to Semantics of Logic Programs with Constraint Atoms
We define the semantics of logic programs with (abstract) constraint atoms in a way closely tied to default logic. Like default logic, formulas in rules are evaluated using the cl...
Yi-Dong Shen, Jia-Huai You
LPNMR
2001
Springer
15 years 11 months ago
A Comparative Study of Well-Founded Semantics for Disjunctive Logic Programs
Much work has been done on extending the well-founded semantics to general disjunctive logic programs and various approaches have been proposed. However, no consensus has been reac...
Kewen Wang
ICDT
2009
ACM
108views Database» more  ICDT 2009»
16 years 7 months ago
A compositional query algebra for second-order logic and uncertain databases
World-set algebra is a variable-free query language for uncertain databases. It constitutes the core of the query language implemented in MayBMS, an uncertain database system. Thi...
Christoph Koch
WILF
2009
Springer
249views Fuzzy Logic» more  WILF 2009»
16 years 1 months ago
On Coherence and Consistence in Fuzzy Answer Set Semantics for Residuated Logic Programs
In this work we recall the first steps towards the definition of an answer set semantics for residuated logic programs with negation, and concentrate on the development of relati...
Nicolás Madrid, Manuel Ojeda-Aciego