Sciweavers

KR
1991
Springer
14 years 3 months ago
Modal Nonmonotonic Logics: Ranges, Characterization, Computation
In the paper, we investigate the way in which nonmonotonic modal logics depend on their underlying monotonic modal logics. Most notably, we study when different monotonic modal l...
V. Wiktor Marek, Grigori F. Shvarts, Miroslaw Trus...
ECAI
1992
Springer
14 years 3 months ago
On the Impact of Stratification on the Complexity of Nonmonotonic Reasoning
ABSTRACT. This paper investigates the problem of finding subclasses of nonmonotonic reasoning which can be implemented efficiently. The ability to "define" propositions u...
Ilkka Niemelä, Jussi Rintanen