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RDF graph store

This system component represents a SPARQL-compliant RDF graph database. In this particular example, we provide a docker container configuration for a Virtuoso open source instance.

Run with Docker

To run Virtuoso open source with Docker, execute the following commands:

docker pull openlink/virtuoso-opensource-7
docker run --name virtuoso-os --env DBA_PASSWORD=dba -p 1111:1111 -p 8890:8890 -v `pwd`:/database openlink/virtuoso-opensource-7:latest

Make sure to set an appropriate DBA_PASSWORD.

Configure update permissions

⚠️Warning⚠️: For this demonstrator, we allow full unrestricted SPARQL UPDATE permission over all named graphs. However, for production deployments, proper security and access control configurations should be made. See the documentation for Virtuoso.

  1. Login with your dba credential on http://{your_virtuoso_address}/conductor.

  2. Navigate to Database > Interactive SQL.

  3. Execute the following command to authorize update operations for all named graphs:

     DB.DBA.RDF_DEFAULT_USER_PERMS_SET ('nobody', 7);

  4. Navigate to System Admin > User Accounts > Users and edit the SPARQL user. Add the SPARQ_UPDATE account role and click on save.