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Erschienen in:
2014 | OriginalPaper | Buchkapitel
Hydrowl: A Hybrid Query Answering System for OWL 2 DL Ontologies
verfasst von : Giorgos Stoilos
Erschienen in: Web Reasoning and Rule Systems
Verlag: Springer International Publishing
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This system description paper introduces the OWL 2 query answering system
Hydrowl
.
Hydrowl
is based on novel
hybrid
techniques which in order to compute the query answers combine at run-time a reasoner
ans
1
supporting a (tractable) fragment of OWL 2 (e.g., OWL 2 QL and OWL 2 RL) with a fully-fledged OWL 2 DL reasoner
ans
2
. The motivation is that if most of the (query answering) work is delegated to the (usually) very scalable system
ans
1
while the interaction with
ans
2
is kept to a bare minimum, then we can possibly provide with scalable query answering even over expressive fragments of OWL 2 DL. We discuss the system’s architecture and we present an overview of the techniques used. Finally, we present some first encouraging experimental results.