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

DUO

OK

The Data Use Ontology

KGXBioPortal ontology
Visibility: Public

A KGX transformation of the BioPortal ontology The Data Use Ontology (DUO), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

316
Nodes
311
Edges
Version
2026-08-11
Transformed

Products & downloads

KGX
KGX nodes & edges
DUO.tar.gz

Contains DUO_nodes.tsv and DUO_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: 316.

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: 311.