D2R Server: Accessing databases with SPARQL and as Linked Data D2R Server is a tool for publishing relational databases on the Semantic Web. It enables RDF and HTML browsers to navigate the content of the database, and allows querying the database using the SPARQL query language. It is part of the D2RQ Platform. 1. About D2R Server 2. Features 3. Running D2R Server 3.1 Running D2R Server from the