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» Description Logics in the Calculus of Structures
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DLOG
2001
13 years 8 months ago
Optimizing Reasoning in Description Logics with Qualified Number Restrictions
In this extended abstract an optimization technique, the so-called signature calculus, for reasoning with number restrictions in description logics is investigated. The calculus i...
Volker Haarslev, Ralf Möller
EUSFLAT
2007
124views Fuzzy Logic» more  EUSFLAT 2007»
13 years 8 months ago
Mixed Integer Programming, General Concept Inclusions and Fuzzy Description Logics
Fuzzy Description Logics (fuzzy DLs) have been proposed as a language to describe structured knowledge with vague concepts. In [23], a solution based on Mixed Integer Linear Progr...
Umberto Straccia, Fernando Bobillo
IDA
2001
Springer
13 years 11 months ago
Fluent Learning: Elucidating the Structure of Episodes
Fluents are logical descriptions of situations that persist, andcompositefluents are statistically significant temporal relationships(nearlyidentical withthosein Allen’stemporal...
Paul R. Cohen
ICLP
1995
Springer
13 years 11 months ago
Variants of the Event Calculus
Abstract. The Event Calculus is a narrative based formalism for reasoning about actions and change originally proposed in logic programming form by Kowalski and Sergot. In this pap...
Fariba Sadri, Robert A. Kowalski
JOLLI
2011
90views more  JOLLI 2011»
13 years 2 months ago
The Displacement Calculus
We define and study a calculus of discontinuity, a version of displacement calculus, which is a logic of segmented strings in exactly the same sense that the Lambek calculus is a ...
Glyn Morrill, Oriol Valentín, Mario Fadda