Query Answering over Contextualized RDF Knowledge with Forall-Existential Bridge Rules: Attaining Decidability Using Acyclicity.
Mathew JosephGabriel M. KuperLuciano SerafiniPublished in: CILC (2014)
Keyphrases
- query answering
- data exchange
- data integration
- conjunctive queries
- answering queries
- knowledge base
- integrity constraints
- data complexity
- data integration systems
- incomplete information
- inconsistent databases
- query rewriting
- production rules
- tuple generating dependencies
- ontology mappings
- semantic web
- knowledge representation
- query containment
- dl lite
- ontology based data access
- linked data
- association rules
- query answers
- domain knowledge
- database
- expert systems
- data model
- ontology languages
- owl ontologies
- schema mappings
- knowledge discovery
- datalog programs
- data management
- unions of conjunctive queries
- case study
- databases
- xml schema