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» On the Semantic Relationship between Datalog and Description...
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DLOG
2008
13 years 10 months ago
Subsumption Propagation between Remote Ontologies in Distributed Description Logic
Distributed Description Logics (DDL) is a KR formalism that enables reasoning with multiple ontologies interconnected by directional semantic mapping. Subsumption propagation in DD...
Martin Homola
PPDP
2010
Springer
13 years 6 months ago
Precise complexity analysis for efficient datalog queries
Given a set of Datalog rules, facts, and a query, answers to the query can be inferred bottom-up starting with the facts or top-down starting with the query. For efficiently answe...
K. Tuncay Tekle, Yanhong A. Liu
RR
2007
Springer
14 years 2 months ago
A Semantic Framework for Language Layering in WSML
Abstract. WSML presents a framework encompassing different language variants, rooted in Description Logics and (F-)Logic Programming. So far, the precise relationships between thes...
Jos de Bruijn, Stijn Heymans
DLOG
1998
13 years 9 months ago
Comparing Subsumption Optimizations
Effective systems for expressive description logics require a heavily-optimised subsumption checker incorporating a range of optimisation techniques. Because of the correspondence...
Ian Horrocks, Peter F. Patel-Schneider
DOOD
1993
Springer
135views Database» more  DOOD 1993»
14 years 15 days ago
A Deductive and Typed Object-Oriented Language
In this paper we introduce a logical query language extended with object-oriented typing facilities. This language, called DTL (from DataTypeLog), can be seen as an extension of Da...
René Bal, Herman Balsters