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RODI Relational-to-Ontology Mapping Quality Benchmark

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RODI Relational-to-Ontology Mapping Quality Benchmark

RODI is a benchmark suite for testing the quality of (semi-)automatically generated, RDB2RDF (relational database to RDF) mappings.

When referring to this work, please always cite our most recent publication (currently [1]). For an overview of the first prototype, please see [2].


RODI is implemented in Java and requires JRE 1.8 or later.

For developers, to compile and run the workspace, a corresponding JDK is needed. Eclipse is recommended for development and an Eclipse project is pre-configured. RODI also relies on a number of publicly available JAR libraries that are not included with in the repository (see below).

Download and Installation

For use by non-developers, there is a complete pre-packaged distribution of the latest RODI release available from the University of Oxford. It runs directly from the command line.

Development requires a clone of this git repository. You may either use the pre-configured Eclipse project, in which case several external libraries need to be added manually. Please refer to manual.pdf for a full list of required libraries including download instructions. As an alternative, you may use the included Maven to automatically download dependencies. To generate a RODI JAR file from the command line using Maven, run: mvn package


RODI can be run as an Eclipse project, or from the command line using the latest release. When starting from Eclipse (or from a Maven-generated JAR), the Main type to execute is com.fluidops.rdb2rdfbench.Main. Try --help for command line options.

For further usage documentation, please refer to the user's manual (manual.pdf) included with the release distribution.

Related Publications and Resources

[1] Christoph Pinkel, Carsten Binnig, Ernesto Jimenez-Ruiz, Evgeny Kharlamov, Wolfgang May, Andriy Nikolov, Martin G. Skjæveland, Alessandro Solimando, Mohsen Taheriyan, Christian Heupel, Ian Horrocks RODI: Benchmarking Relational-to-Ontology Mapping Generation Quality. Semantic Web Journal. IOS Press. 2017 (in press). (PDF)

[2] C. Pinkel et al. RODI: A Benchmark for Automatic Mapping Generation in Relational-to-Ontology Data Integration. In: ESWC 2015. (PDF)

[3] RODI Introductory Presentation at ESWC 2015 (

[4] E. Jimenez et al. BOOTOX: Practical Mapping of RDBs to OWL 2. In: ISWC 2015. (PDF)


RODI Relational-to-Ontology Mapping Quality Benchmark



Language:PLpgSQL 80.5%Language:Web Ontology Language 12.5%Language:SQLPL 6.8%Language:Java 0.2%Language:Shell 0.0%Language:Batchfile 0.0%Language:Perl 0.0%