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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COB

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Core Ontology for Biology and Biomedicine

KGXBioPortal ontologyv2025-12-15CC0 1.0
Visibility: Public

A KGX transformation of the BioPortal ontology Core Ontology for Biology and Biomedicine (COB), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

126
Nodes
106
Edges
2025-12-15
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
COB.tar.gz
126 nodes · 106 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 COB_nodes.tsv and COB_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 12 categories across 126 nodes

NamedThing76
PhysicalEntity15
Activity11
AnatomicalEntity7
InformationContentEntity7
CellularComponent3
BiologicalProcessOrActivity2
Cell1
MacromolecularComplex1
OrganismTaxon1
Polypeptide1
Protein1

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 50 of 126 nodes (39.7%)

12is a seed term whose Biolink class is not in doubt
38inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 106 edges

Association106

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