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AMAI
2008
Springer
13 years 6 months ago
Stable models and difference logic
The paper studies the relationship between logic programs with the stable model semantics and difference logic recently considered in the Satisfiability Modulo Theories framework....
Ilkka Niemelä
EKAW
2008
Springer
13 years 7 months ago
On the Influence of Description Logics Ontologies on Conceptual Similarity
Similarity measures play a key role in the Semantic Web perspective. Indeed, most of the ontology related operations such as ontology learning, ontology alignment, ontology ranking...
Claudia d'Amato, Steffen Staab, Nicola Fanizzi
IAT
2008
IEEE
14 years 14 days ago
Extending a Defeasible Reasoner with Modal and Deontic Logic Operators
Defeasible logic is a non-monotonic formalism that deals with incomplete and conflicting information. Modal logic deals with necessity and possibility, exhibiting defeasibility; t...
Efstratios Kontopoulos, Nick Bassiliades, Guido Go...
ITCC
2003
IEEE
13 years 11 months ago
The Effects of Search Engines and Query Operators on Top Ranked Results
We examine whether the use of query operators changes the documents retrieved by three popular Web search engines. One hundred queries containing query operators were selected fro...
Bernard J. Jansen, Caroline M. Eastman
GECCO
2008
Springer
137views Optimization» more  GECCO 2008»
13 years 7 months ago
Rank based variation operators for genetic algorithms
We show how and why using genetic operators that are applied with probabilities that depend on the fitness rank of a genotype or phenotype offers a robust alternative to the Sim...
Jorge Cervantes, Christopher R. Stephens