First Order Rewritability for Ontology Mediated Querying in Horn-DLFD.
David TomanGrant E. WeddellPublished in: Description Logics (2020)
Keyphrases
- ontology based data access
- description logics
- ontology reasoning
- function free horn
- query answering
- horn theories
- horn clauses
- query rewriting
- first order logic
- knowledge base
- np hard
- higher order
- model theoretic
- query language
- knowledge representation
- conjunctive queries
- owl dl
- dl lite
- expressive power
- semantic web
- functional dependencies
- data exchange
- domain ontology
- databases
- owl ontologies
- reasoning problems
- canonical representation
- horn logic
- owl dl ontology
- artificial intelligence
- propositional logic
- database
- ontology languages
- domain specific
- domain knowledge
- expert systems
- data analysis