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Implementation of a Service-Based Grid Middleware for Accessing RDF Databases
Isao Kojima and Masahiro Kimoto
Information Technology Research Institute, National Insutitute of Advanced Industrial Science and Technology(AIST), Umezono1-1-4, Tsukuba, Ibaraki 305 Japanisao.kojima@aist.go.jp
m-kimoto@aist.go.jp
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.
Keywords: Service based Grid, RDF, OGSA, SPARQL, Ontology
LNCS 5872, p. 866 ff.
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© Springer-Verlag Berlin Heidelberg 2009