SPARQL Endpoint

The URL for the machine readable endpoint as provided by OpenLink Virtuoso is

This page provides:
  • a basic interface to test SPARQL queries
  • examples for typical use cases


Enable Virtuoso's inference mode (for BioKB ontology)


  • More frequent entities in the COVID19 datasets
  • Co-occurrences of Parkinson's disease
  • Relationships where a chemical regulates Asthma