Prototype KG‑aware adaptation of the BioPortal interface. Graph pages generated from live KG‑Registry metadata; tool links go to the live BioPortal.
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Summary

BioPortal ontologies transformed to KGX, alongside the knowledge-graph projects registered in KG‑Registry. Ontologies last transformed on 2026-08-11.

The collection at a glance

1,135
Ontologies as KGX
4,638,786
Nodes
8,923,271
Edges
159
KG projects listed

Node and edge totals cover the transformed ontologies only; each ontology is transformed on its own, so nodes shared between ontologies are counted once per ontology.

Transform status 1,292 ontologies

Transformed1,135Failed104 Skipped45Licensed8

Failed, skipped and license-restricted ontologies are still listed in the browser, each with the reason it has no KGX artifact. Licensed ones are counted apart from failures: they are unavailable by design, not broken.

Largest ontologies by node count

Largest ontologies by edge count