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ECAI
2006
Springer
14 years 8 days ago
On the Existence of Answer Sets in Normal Extended Logic Programs
An often problematic feature in answer set programming is that a program does not always produce an answer set, even for programs which represent default information in a seemingl...
Martin Caminada, Chiaki Sakama
DLOG
2010
13 years 6 months ago
Structure Preserving TBox Repair using Defaults
Unsatisfiable concepts are a major cause for inconsistencies in Description Logics knowledge bases. Popular methods for repairing such concepts aim to remove or rewrite axioms to r...
Thomas Scharrenbach, Rolf Grütter, Bettina Wa...
ECAI
2004
Springer
14 years 2 months ago
New Insights on the Intuitionistic Interpretation of Default Logic
In this work we further investigate the relation, first found by Truszczy´nski, between modal logic S4F and Default Logic (DL), analyzing some interesting properties and showing ...
Pedro Cabalar, David Lorenzo
IJCAI
2003
13 years 10 months ago
Ordering Default Theories
In first-order logic, a theory T1 is considered stronger than another theory T2 if every formula
Chiaki Sakama