KG‑BioPortal
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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OBA

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Ontology of Biological Attributes

KGXBioPortal ontologyv2026-07-14
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Visibility: Public

A KGX transformation of the BioPortal ontology Ontology of Biological Attributes (OBA), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

103,888
Nodes
283,029
Edges
2026-07-14
Version
2026-08-25
Transformed

Products & downloads

KGX
KGX nodes & edges
OBA.tar.gz

Contains OBA_nodes.tsv and OBA_edges.tsv. Releases are incremental, so this points at whichever release most recently rebuilt this ontology.

Per-node-type (Biolink category) counts aren't recorded in the index for this ontology — each node carries a category column in the KGX download. Total nodes: 103,888.

Per-edge-type (Biolink category) counts aren't recorded in the index for this ontology — each edge carries category, predicate and relation columns in the KGX download. Total edges: 283,029.