Implementation of a Service-Based Grid Middleware for Accessing RDF Databases

Authors:
Isao Kojima;Masahiro Kimoto
Affiliations:
Information Technology Research Institute, National Insutitute of Advanced Industrial Science and Technology(AIST), Ibaraki, Japan 305;Information Technology Research Institute, National Insutitute of Advanced Industrial Science and Technology(AIST), Ibaraki, Japan 305
Venue:
OTM '09 Proceedings of the Confederated International Workshops and Posters on On the Move to Meaningful Internet Systems: ADI, CAMS, EI2N, ISDE, IWSSA, MONET, OnToContent, ODIS, ORM, OTM Academy, SWWS, SEMELS, Beyond SAWSDL, and COMBEK 2009
Year:
2009

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Abstract

This paper presents the design and implementation of a service-based RDF database middleware suite called DAI-RDF, an extension of the OGSA-DAI middlewarewhich currently supports relational and XML databases. DAI-RDF provides various RDF data processing activities including SPARQL query language, ontological primitives, and reasoning functions. Since DAI-RDF is based on service-based grid architecture, it is easy to use to support large-scale distributed semantic grid applications. Performance evaluation, including evaluation of the reasoning functions included, shows the usefulness of the system.