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/ONS

ONS

OK

Ontology for Nutritional Studies

KGXBioPortal ontologyv2026-02-06
Visibility: Public

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

Graph at a glance

5,129
Nodes
13,918
Edges
2026-02-06
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
ONS.tar.gz
5K nodes · 14K edges
Base graph is the full graph

This ontology declares no imports, so its base graph already is its full graph; nothing separate was built.

The graph contains ONS_nodes.tsv and ONS_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 16 categories across 5,129 nodes

OrganismTaxon3,376
NamedThing448
InformationContentEntity356
PhysicalEntity226
Attribute202
Activity161
BiologicalProcessOrActivity155
MolecularEntity61
AnatomicalEntity54
Food31
MaterialSample19
Publication18
PhenotypicFeature16
Cell3
ChemicalEntity2
Procedure1

An item carrying more than one category is counted under each, so these counts can add up to more than the total.

How they were assigned 4,681 of 5,129 nodes (91.3%)

18is a seed term whose Biolink class is not in doubt
4,663inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 13,918 edges

Association13,918

An item carrying more than one category is counted under each, so these counts can add up to more than the total.