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» Modal Logics, Description Logics and Arithmetic Reasoning
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NDJFL
1998
100views more  NDJFL 1998»
13 years 9 months ago
Failure of Interpolation in Combined Modal Logics
We investigate transfer of interpolation in such combinations of modal logic which lead to interaction of the modalities. Combining logics by taking products often blocks transfer...
Maarten Marx, Carlos Areces
DLOG
2006
13 years 11 months ago
Handling Imprecise Knowledge with Fuzzy Description Logic
Fuzzy Description Logics have been proposed in the literature as a way to represent and reason with vague and imprecise knowledge. Their decidability, the empirically tractable an...
Giorgos Stoilos, Giorgos B. Stamou, Jeff Z. Pan
BIRTHDAY
1991
Springer
14 years 1 months ago
Modal Logic Should Say More Than It Does
First-order modal logics, as traditionally formulated, are not expressive enough. It is this that is behind the difficulties in formulating a good analog of Herbrand’s Theorem, ...
Melvin Fitting
ECSQARU
2009
Springer
14 years 4 months ago
Realizing Default Logic over Description Logic Knowledge Bases
Abstract. We consider a realization of Reiter-style default logic on top of description logic knowledge bases (DL-KBs). To this end, we present elegant transformations from default...
Minh Dao-Tran, Thomas Eiter, Thomas Krennwallner
ISMIS
1994
Springer
14 years 2 months ago
Reasoning About the Safety of Information: From Logical Formalization to Operational Definition
We assume that safety of information stored in a database depends on the reliability of the agents who have performed the insertions in the database. We present a logic S to repres...
Laurence Cholvy, Robert Demolombe, Andrew J. I. Jo...