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R2RML Parser

An R2RML implementation that can export relational database contents as RDF graphs, based on an R2RML mapping document. Contains an R2RML mapping document for the DSpace institutional repository solution.

For more information, please visit the wiki.

Please send any feedback/questions by email to, by direct message (dm) via twitter to @nkonstantinou, or open a new issue. We'll be happy to discuss how to export your data into RDF.

Implementation details

R2RML implementation written fully in Java 7, using Apache Jena 2.11, Spring 4.0, JUnit 4.9, and Maven 3.1. Tested against MySQL 5.6, PostgreSQL 9.2 and Oracle 11g.


This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 Unported License.

You are free to use and distribute this work as long as you provide proper reference and respect the license terms.


You can find in the wiki a list of publications based on the tool.