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» On Conjunctive Query Answering in EL
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AAAI
2008
13 years 11 months ago
Worst-case Optimal Conjunctive Query Answering for an Expressive Description Logic without Inverses
Answering conjunctive queries (CQs) has been recognized as a key task for the usage of Description Logics (DLs) in a number of applications, and has thus been studied by many auth...
Magdalena Ortiz, Mantas Simkus, Thomas Eiter
AAAI
2006
13 years 10 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
DLOG
2009
13 years 9 months ago
Combined FO Rewritability for Conjunctive Query Answering in DL-Lite
Roman Kontchakov, Carsten Lutz, David Toman, Frank...
TOCL
2008
86views more  TOCL 2008»
13 years 8 months ago
Conjunctive query containment and answering under description logic constraints
Diego Calvanese, Giuseppe De Giacomo, Maurizio Len...