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Datalog+⁄−: A Family of Languages for Ontology Querying

Abstract:

In ontology-based data access, an extensional database is enhanced by an ontology that generates new intensional knowledge which has to be considered when answering queries. In this setting, tractable data complexity (i.e., complexity w.r.t. the data only) of query answering is crucial, given the need to deal with large data sets. This paper summarizes results on a recently introduced family of Datalog-based languages, called Datalog+/-, which is a new framework for tractable ontology quer...

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Publisher:
Springer
Volume:
6702
Host title:
Datalog Reloaded − 1st International Workshop‚ Datalog 2010‚ Oxford‚ UK‚ March 16−19‚ 2010. Revised Selected Papers
Publication date:
2011-01-01
ISBN:
9783642242052
UUID:
uuid:f2f5a841-5853-43fc-acaf-bd5fa7113792
Local pid:
cs:6640
Deposit date:
2015-03-31

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