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
2026-08-25
Transformed
Products & downloads
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) counts aren't recorded in the index for this ontology — each node carries a category column in the KGX download. Total nodes: 82.
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: 119.