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Relational Database to RDF (RDB2RDF)
The R2RML and Direct Mapping Standards
Juan Sequeda

This event took place on 15th May 2013 at 4:00pm (15:00 GMT)
Knowledge Media Institute, Berrill Building, The Open University, Milton Keynes, United Kingdom, MK7 6AA

This tutorial will introduce participants to mapping Relational Databases to RDF (RDB2RDF). We will present the two new, interrelated and complementary W3C standards, “Direct Mapping of Relational Data to RDF” and “R2RML: RDB to RDF Mapping Language”.  Furthermore we will contrast and explain the preferred solution organizations embodies by these two standards.  The suitability of each approach will be characterized by both architectural concerns and the skill sets that exist in the supporting organizations.  Architectural aspects include comparing ‘Extract, Transform, Load’ (ETL) of relational data to RDF into a triplestore versus answering SPARQL queries against a live relational database.

Further information can be found at

The webcast was open to 100 users

Click below to play the event (58 minutes)

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