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ER
2007
Springer
108views Database» more  ER 2007»
16 years 23 days ago
Reasoning over Extended ER Models
Abstract. We investigate the computational complexity of reasoning over various fragments of the Extended Entity-Relationship (EER) language, which includes a number of constructs:...
Alessandro Artale, Diego Calvanese, Roman Kontchak...
DLOG
2011
14 years 10 months ago
Repairing Incomplete Reasoners
Abstract. The pressing need for scalable query answering has motivated the development of many incomplete ontology-based reasoners. Improving the completeness of such systems witho...
Giorgos Stoilos, Bernardo Cuenca Grau
ECSQARU
2009
Springer
16 years 1 months ago
An Algorithm for Generating Arguments in Classical Predicate Logic
Abstract. There are a number of frameworks for modelling argumentation in logic. They incorporate a formal representation of individual arguments and techniques for comparing con...
Vasiliki Efstathiou, Anthony Hunter
LICS
2006
IEEE
16 years 19 days ago
PSPACE Bounds for Rank-1 Modal Logics
aic semantics, which conveniently abstracts from the details of a given model class and thus allows covering a broad range of logics in a uniform way. Categories and Subject Descri...
Lutz Schröder, Dirk Pattinson
ICIW
2008
IEEE
16 years 1 months ago
XML Semantic Filtering via Ontology Reasoning
In this paper, we present an extension of PHIL, a declarative language for filtering information from XML data. The proposed approach allows us to extract relevant data as well a...
Michele Baggi, Moreno Falaschi, Demis Ballis