Query Answering over Contextualized RDF/OWL Knowledge with Forall-Existential Bridge Rules: Decidable Finite Extension Classes (Post Print).
Mathew JosephGabriel M. KuperTill MossakowskiLuciano SerafiniPublished in: CoRR (2015)
Keyphrases
- query answering
- tuple generating dependencies
- unions of conjunctive queries
- ontology languages
- data exchange
- ontology mappings
- knowledge base
- open world
- data complexity
- conjunctive queries
- inconsistent databases
- owl ontologies
- dl lite
- tight complexity bounds
- incomplete information
- knowledge representation
- datalog programs
- data integration
- integrity constraints
- query containment
- answering queries
- semantic web
- description logics
- production rules
- query answers
- databases
- owl dl
- exptime complete
- data management
- data sources
- knowledge management
- knowledge discovery
- regular path queries
- consistent query answering
- database schema
- query language
- data model
- ontology based data access
- query rewriting