53 search results - page 2 / 11 » Pinpointing in the Description Logic EL |
DLOG
2009
13 years 4 months ago
2009
Abstract. Model-based most specific concepts are a non-standard reasoning service in Description Logics. They have turned out to be useful in knowledge base completion for ontologi...
LPAR
2007
Springer
14 years 1 months ago
2007
Springer
We study the data complexity of instance checking and conjunctive query answering in the EL family of description logics, with a particular emphasis on the boundary of tractability...
CADE
2007
Springer
14 years 7 months ago
2007
Springer
We bring together two recent trends in description logic (DL): lightweight DLs in which the subsumption problem is tractable and conservative extensions as a central tool for forma...
JSC
2010
13 years 5 months ago
2010
We study the problem of deciding whether two ontologies are inseparable w.r.t. a signature Σ, i.e., whether they have the same consequences in the signature Σ. A special case is...
RWEB
2010
Springer
13 years 5 months ago
2010
Springer
Description Logics (DLs) are the formalism underlying the standard web ontology language OWL 2. DLs have formal semantics which are the basis for powerful reasoning services. In th...