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» The logic of bunched implications
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DLOG
2003
13 years 9 months ago
Rewriting Aggregate Queries using Description Logic
This paper presents an application of a DL reasoner to the optimization of an object-relational query language. Queries containing aggregate functions are difficult to optimize be...
David DeHaan, David Toman, Grant E. Weddell
EPIA
2001
Springer
14 years 3 days ago
A Procedural Semantics for Multi-adjoint Logic Programming
Abstract. Multi-adjoint logic program generalise monotonic logic programs introduced in [1] in that simultaneous use of several implications in the rules and rather general connect...
Jesús Medina, Manuel Ojeda-Aciego, Peter Vo...
LATA
2012
Springer
12 years 3 months ago
On the Parameterized Complexity of Default Logic and Autoepistemic Logic
We investigate the application of Courcelle’s Theorem and the logspace version of Elberfeld et al. in the context of the implication problem for propositional sets of formulae, t...
Arne Meier, Johannes Schmidt, Michael Thomas, Heri...
SWWS
2008
13 years 9 months ago
Metrics for Evaluating the Semantic Implications of Changes in Evolving Ontologies
We propose a set of metrics for measuring the semantic implications of changes during ontology evolution. Our metrics focus on the changes of classes and associated axioms or annot...
Chuming Chen, Manton M. Matthews
ICCAD
1999
IEEE
148views Hardware» more  ICCAD 1999»
13 years 12 months ago
SAT based ATPG using fast justification and propagation in the implication graph
In this paper we present new methods for fast justification and propagation in the implication graph (IG) which is the core data structure of our SAT based implication engine. As ...
Paul Tafertshofer, Andreas Ganz