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» A Conjunctive Query Language for Description Logic Aboxes
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AAAI
2000
14 years 6 days ago
A Conjunctive Query Language for Description Logic Aboxes
A serious shortcoming of many Description Logic based knowledge representation systems is the inadequacy of their query languages. In this paper we present a novel technique that ...
Ian Horrocks, Sergio Tessaris
JSC
2010
135views more  JSC 2010»
13 years 9 months ago
Deciding inseparability and conservative extensions in the description logic EL
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...
Carsten Lutz, Frank Wolter
DEXAW
2008
IEEE
145views Database» more  DEXAW 2008»
14 years 19 days ago
ECQ: A Simple Query Language for the Semantic Web
With the increasing development of real applications using Semantic Web Technologies, it is necessary to provide scalable and efficient ontology querying and reasoning systems. In ...
María del Mar Roldán García, ...
ADC
2006
Springer
142views Database» more  ADC 2006»
14 years 4 months ago
An optimization for query answering on ALC database
Query answering over OWLs and RDFs on the Semantic Web is, in general, a deductive process. To this end, OWL, a family of web ontology languages based on description logic, has be...
Pakornpong Pothipruk, Guido Governatori
AAAI
2007
14 years 1 months ago
Answering Regular Path Queries in Expressive Description Logics: An Automata-Theoretic Approach
Expressive Description Logics (DLs) have been advocated as formalisms for modeling the domain of interest in various application areas. An important requirement is the ability to ...
Diego Calvanese, Thomas Eiter, Magdalena Ortiz