Abstract
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.
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Stoilos, G. (2014). Hydrowl: A Hybrid Query Answering System for OWL 2 DL Ontologies. In: Kontchakov, R., Mugnier, ML. (eds) Web Reasoning and Rule Systems. RR 2014. Lecture Notes in Computer Science, vol 8741. Springer, Cham. https://doi.org/10.1007/978-3-319-11113-1_20
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DOI: https://doi.org/10.1007/978-3-319-11113-1_20
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