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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OA

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Web Annotation Ontology

KGXBioPortal ontologyv2016-11-12T21:28:11Z
Download KGX View on BioPortal
Visibility: Public

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

Graph at a glance

82
Nodes
119
Edges
2016-11-12T21:28:11Z
Version
2026-08-11
Transformed

Products & downloads

KGX
KGX nodes & edges
OA.tar.gz

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

Per-node-type (Biolink category) lists aren't recorded in the index for transformed ontologies — each node carries a category column in the KGX download. Total nodes: 82.

Per-edge-type (predicate) lists aren't recorded in the index for transformed ontologies — each edge carries predicate and relation columns in the KGX download. Total edges: 119.