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» Logics for the Relational Syllogistic
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AMAI
2008
Springer
14 years 10 months ago
Justification logics, logics of knowledge, and conservativity
Several justification logics have been created, starting with the logic LP, [1]. These can be thought of as explicit versions of modal logics, or of logics of knowledge or belief,...
Melvin Fitting
CADE
2000
Springer
15 years 2 months ago
System Description: ARA - An Automatic Theorem Prover for Relation Algebras
Abstract. aRa is an automatic theorem prover for various kinds of relation algebras. It is based on Gordeev’s Reduction Predicate Calculi for n-variable logic (RPCn) which allow ...
Carsten Sinz
JOLLI
2008
84views more  JOLLI 2008»
14 years 9 months ago
The basic constructive logic for a weak sense of consistency
In this paper, consistency is understood as the absence of the negation of a theorem, and not, in general, as the absence of any contradiction. We define the basic constructive log...
Gemma Robles, José M. Méndez
CAISE
2007
Springer
15 years 4 months ago
Modal Aspects of Object Types and Part-Whole Relations and the de re/de dicto Distinction
In a series of publications, we have proposed a foundational system of ontological categories which has been used to evaluate and improve the quality of conceptual modeling languag...
Giancarlo Guizzardi
PSSS
2003
14 years 11 months ago
DLDB: Extending Relational Databases to Support Semantic Web Queries
Abstract: We present DLDB, a knowledge base system that extends a relational database management system with additional capabilities for DAML+OIL inference. We discuss a number of ...
Zhengxiang Pan, Jeff Heflin