D2RQ

Name of the tool:	D2RQ
Home page:	http://d2rq.org
Date of latest release:
Programming language(s) that can be used with the tool:	Java
Relevant semantic web technologies:	RDF, SPARQL, RDB2RDF
Categories:	RDB2RDF, SPARQL Endpoint, Converter, RDF Generator
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(Tool description last modified on 2012-07-4.)

Description

The D2RQ Platform is a system for accessing relational databases as virtual, read-only RDF graphs. It offers RDF-based access to the content of relational databases without having to replicate it into an RDF store. Using D2RQ you can:

query a non-RDF database using SPARQL
access the content of the database as Linked Data over the Web
create custom dumps of the database in RDF formats for loading into an RDF store
access information in a non-RDF database using the Apache Jena API

D2RQ is Open Source software and published under the Apache license.