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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ERO

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Eagle-I Research Resource Ontology

KGXBioPortal ontologyv2013-08-02
Visibility: Public

A KGX transformation of the BioPortal ontology Eagle-I Research Resource Ontology (ERO), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

4,384
Nodes
9,033
Edges
2013-08-02
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
ERO.tar.gz
4K nodes · 9K 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 ERO_nodes.tsv and ERO_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 13 categories across 4,384 nodes

PhysicalEntity2,178
Procedure874
InformationContentEntity847
NamedThing447
CellLine19
Activity8
Publication4
Attribute2
AnatomicalEntity1
BiologicalProcessOrActivity1
Disease1
LifeStage1
PhenotypicFeature1

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 3,937 of 4,384 nodes (89.8%)

14is a seed term whose Biolink class is not in doubt
3,923inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 9,033 edges

Association9,033

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