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» On Generalization and Subsumption for Ordered Clauses
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CADE
2009
Springer
15 years 10 months ago
Decidability Results for Saturation-Based Model Building
Abstract. Saturation-based calculi such as superposition can be successfully instantiated to decision procedures for many decidable fragments of first-order logic. In case of termi...
Matthias Horbach, Christoph Weidenbach
ISMVL
1999
IEEE
90views Hardware» more  ISMVL 1999»
15 years 1 months ago
Transformations between Signed and Classical Clause Logic
In the last years two automated reasoning techniques for clause normal form arose in which the use of labels are prominently featured: signed logic and annotated logic programming...
Bernhard Beckert, Reiner Hähnle, Felip Many&a...
IJCAI
2001
14 years 10 months ago
Computing Strongest Necessary and Weakest Sufficient Conditions of First-Order Formulas
A technique is proposed for computing the weakest sufficient (wsc) and strongest necessary (snc) conditions for formulas in an expressive fragment of first-order logic using quant...
Patrick Doherty, Witold Lukaszewicz, Andrzej Szala...
IJCAI
2003
14 years 10 months ago
Spaces of Theories with Ideal Refinement Operators
Refinement operators for theories avoid the problems related to the myopia of many relational learning algorithms based on the operators that refine single clauses. However, the n...
Nicola Fanizzi, Stefano Ferilli, Nicola Di Mauro, ...
WWW
2003
ACM
15 years 10 months ago
On labeling schemes for the semantic web
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
Vassilis Christophides, Dimitris Plexousakis, Mich...