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» A General Semantics for Evaluation Logic
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ICDT
2010
ACM
180views Database» more  ICDT 2010»
16 years 3 months ago
Foundations of SPARQL Query Optimization
We study fundamental aspects related to the efficient processing of the SPARQL query language for RDF, proposed by the W3C to encode machine-readable information in the Semantic W...
Michael Schmidt, Michael Meier, Georg Lausen
ASWC
2009
Springer
16 years 1 months ago
What Makes a Good Ontology? A Case-Study in Fine-Grained Knowledge Reuse
Understanding which ontology characteristics can predict a “good” quality ontology, is a core and ongoing task in the Semantic Web. In this paper, we provide our findings on wh...
Miriam Fernández, Chwhynny Overbeeke, Marta...
CADE
2001
Springer
16 years 6 months ago
Canonical Propositional Gentzen-Type Systems
Canonical propositional Gentzen-type systems are systems which in addition to the standard axioms and structural rules have only pure logical rules with the subformula property, in...
Arnon Avron, Iddo Lev
ATAL
2009
Springer
16 years 1 months ago
Agent programming with temporally extended goals
In planning as well as in other areas, temporal logic has been used to specify so-called temporally extended goals. Temporally extended goals refer to desirable sequences of state...
Koen V. Hindriks, Wiebe van der Hoek, M. Birna van...
CALCO
2007
Springer
118views Mathematics» more  CALCO 2007»
16 years 22 days ago
Coalgebraic Epistemic Update Without Change of Model
Abstract. We present a coalgebraic semantics for reasoning about information update in multi-agent systems. The novelty is that we have one structure for both states and actions an...
Corina Cîrstea, Mehrnoosh Sadrzadeh