Beyond OWL 2 QL in OBDA: Rewritings and Approximations.
Elena BotoevaDiego CalvaneseValerio SantarelliDomenico Fabio SavoAlessandro SolimandoGuohui XiaoPublished in: AAAI (2016)
Keyphrases
- query rewriting
- conjunctive queries
- query language
- ontology languages
- materialized views
- regular path queries
- answering queries using views
- semantic web
- queries using views
- query evaluation
- query answering
- data complexity
- knowledge representation
- knowledge base
- data model
- tree patterns
- data integration
- data management
- object oriented