Sciweavers

4573 search results - page 275 / 915
» Automated Reasoning
Sort
View
169
Voted
DLOG
1997
15 years 8 months ago
Classifying Description Logics
We describe a method for characterizing the expressive power of description logics. The method is essentially model-theoretic in nature, and it is applied to obtain expressiveness...
Natasha Kurtonina, Maarten de Rijke
CSL
2010
Springer
15 years 7 months ago
A Formalisation of the Normal Forms of Context-Free Grammars in HOL4
We describe the formalisation of the normal forms of context-free grammars (CFGs) using the HOL4 theorem prover. These straightforward pen and paper proofs easily understood from t...
Aditi Barthwal, Michael Norrish
CSL
2008
Springer
15 years 7 months ago
Undecidability of Type-Checking in Domain-Free Typed Lambda-Calculi with Existence
Abstract. This paper shows undecidability of type-checking and typeinference problems in domain-free typed lambda-calculi with existential types: a negation and conjunction fragmen...
Koji Nakazawa, Makoto Tatsuta, Yukiyoshi Kameyama,...
DLOG
2008
15 years 7 months ago
Actions over a Constructive Semantics for ALC
Following the approaches and motivations given in recent works about action languages over description logics, we propose an action formalism based on a constructive semantics for ...
Loris Bozzato, Mauro Ferrari, Paola Villa
CSL
2006
Springer
15 years 6 months ago
Infinite State Model-Checking of Propositional Dynamic Logics
Model-checking problems for PDL (propositional dynamic logic) and its extension PDL (which includes the intersection operator on programs) over various classes of infinite state sy...
Stefan Göller, Markus Lohrey