Cross ontology query answering on the semantic web: an initial evaluation.
Vanessa LópezVictoria S. UrenMarta SabouEnrico MottaPublished in: K-CAP (2009)
Keyphrases
- query answering
- semantic web
- ontology mappings
- ontology based data access
- ontology languages
- data exchange
- owl dl
- ontology mapping
- data integration
- semantic web technologies
- owl ontologies
- knowledge representation
- data complexity
- conjunctive queries
- integrity constraints
- answering queries
- ontology matching
- knowledge base
- incomplete information
- open world
- current web
- linked open data
- linked data
- domain knowledge
- query rewriting
- domain ontology
- semantic annotation
- description logics
- databases
- dl lite
- inconsistent databases
- metadata
- expert systems
- datalog programs
- query answers
- topic maps
- natural language
- special case
- data analysis
- semantic information
- data management