Export

The OntoRail knowledge engine supports external access to the knowledge stored in the OntoRail knowledge graph though two major means:

• downloads of files,
• use of the SPARQL endpoint.

Both are accessible from the Menu Bar.

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Files download

OntoRail makes accessible for downloads:

• RDF/Turtle files of each source ontology
• RDF/Turtle file of the OntoRail vocabulary
• RDF/Turtle file of the OntoRail relations, i.e. relations which have been created between concepts through the OntoRail interface

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SPARQL endpoint

The OntoRail knowledge engine provides a SPARQL interface to query the OntoRail aggregated ontology which relies on the GraphDB workbench. The OntoRail knowledge engine supports SPARQL 1.1 (see W3C SPARQL 1.1 overview page).

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For further details on the use of the SPARQL endpoint, you may notably refer to the GraphDB documentation.