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/MAXO

MAXO

OK

Medical Action Ontology

KGXBioPortal ontologyv2026-01-15CC BY 4.0
Visibility: Public

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

Graph at a glance

8,481
Nodes
18,985
Edges
2026-01-15
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
MAXO.tar.gz
8K nodes · 19K 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 MAXO_nodes.tsv and MAXO_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 21 categories across 8,481 nodes

Activity2,034
NamedThing1,832
AnatomicalEntity1,699
MolecularEntity911
BiologicalProcessOrActivity597
Cell292
PhysicalEntity191
PhenotypicFeature164
OrganismTaxon146
Attribute136
Protein109
Food106
ChemicalEntity90
CellularComponent87
NucleicAcidEntity24
MacromolecularComplex21
Procedure21
LifeStage15
MaterialSample4
Gene2
Polypeptide1

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 6,649 of 8,481 nodes (78.4%)

23is a seed term whose Biolink class is not in doubt
6,626inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 18,985 edges

Association18,985

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