OWL-QL - a language for deductive query answering on the Semantic Web.
Richard FikesPatrick J. HayesIan HorrocksPublished in: J. Web Semant. (2004)
Keyphrases
- query answering
- ontology languages
- rdf schema
- rule language
- data complexity
- open world
- owl dl
- data exchange
- closed world
- ontology mappings
- semantic web
- owl ontologies
- incomplete information
- conjunctive queries
- answering queries
- data integration
- description logics
- integrity constraints
- query language
- conceptual models
- programming language
- formal semantics
- conceptual modeling
- query rewriting
- semantic web technologies
- object oriented
- conceptual model
- knowledge representation
- rdf data
- datalog programs
- expressive power
- query answers
- natural language
- database
- query containment
- dl lite
- domain ontology
- knowledge base
- data sets