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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NPO

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NanoParticle Ontology

KGXBioPortal ontologyv2011-12-08 (yyyy-mm-dd)
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Visibility: Public

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

Graph at a glance

2,167
Nodes
16,149
Edges
2011-12-08 (yyyy-mm-dd)
Version
2026-08-25
Transformed

Products & downloads

KGX
KGX nodes & edges
NPO.tar.gz

Contains NPO_nodes.tsv and NPO_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: 2,167.

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: 16,149.