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CORR
2010
Springer
202views Education» more  CORR 2010»
15 years 1 months ago
The Complexity of Reasoning for Fragments of Autoepistemic Logic
Autoepistemic logic extends propositional logic by the modal operator L. A formula that is preceded by an L is said to be "believed". The logic was introduced by Moore ...
Nadia Creignou, Arne Meier, Michael Thomas, Heribe...
JAIR
2008
92views more  JAIR 2008»
15 years 1 months ago
On the Expressiveness of Levesque's Normal Form
Levesque proposed a generalization of a database called a proper knowledge base (KB), which is equivalent to a possibly infinite consistent set of ground literals. In contrast to ...
Yongmei Liu, Gerhard Lakemeyer
COSIT
1999
Springer
189views GIS» more  COSIT 1999»
15 years 5 months ago
A Formal Model of the Process of Wayfinding in Built Environments
Previous recent research on human wayfinding has focused primarily on mental representations rather than processes of wayfinding. This paper presents a formal model of some aspect...
Martin Raubal, Michael F. Worboys
SCAI
2001
15 years 2 months ago
Meaning and Partiality Revised
Muskens presents in Meaning and Partiality a semantics of possibly contradictory beliefs and other propositional attitudes. We propose a different partial logic based on a few key...
Jørgen Villadsen
142
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DLOG
1998
15 years 2 months ago
Comparing Subsumption Optimizations
Effective systems for expressive description logics require a heavily-optimised subsumption checker incorporating a range of optimisation techniques. Because of the correspondence...
Ian Horrocks, Peter F. Patel-Schneider