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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OLAS

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Ontology of Laboratory Animal Science

KGXBioPortal ontologyv2025-12-22CC BY 4.0
Visibility: Public

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

Graph at a glance

96,514
Nodes
183,430
Edges
2025-12-22
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
OLAS.tar.gz
97K nodes · 183K 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 OLAS_nodes.tsv and OLAS_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 15 categories across 96,514 nodes

PhysicalEntity95,969
NamedThing322
InformationContentEntity62
Protein44
Procedure38
Disease19
Activity15
MolecularEntity12
Attribute10
BiologicalProcessOrActivity9
Gene7
PhenotypicFeature4
ChemicalEntity1
NucleicAcidEntity1
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 96,192 of 96,514 nodes (99.7%)

15is a seed term whose Biolink class is not in doubt
96,177inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 183,430 edges

Association183,430

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