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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ORCS

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Ontology for Representing CDM Semantics

KGXBioPortal ontologyv2021-11-13
Visibility: Public

A KGX transformation of the BioPortal ontology Ontology for Representing CDM Semantics (ORCS), produced by KG‑Bioportal. Nodes are ontology classes; edges are the relations between them.

Graph at a glance

2,016
Nodes
3,399
Edges
2021-11-13
Version
2026-09-14
Transformed

Products & downloads

KGX
KGX nodes & edges
ORCS.tar.gz
2K nodes · 3K 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 ORCS_nodes.tsv and ORCS_edges.tsv. Releases are incremental, so each link points at whichever release most recently rebuilt this ontology.

Biolink categories 11 categories across 2,016 nodes

NamedThing1,355
InformationContentEntity378
AnatomicalEntity105
Procedure63
PhysicalEntity56
Attribute20
Publication14
Activity11
BiologicalProcessOrActivity10
LifeStage3
EnvironmentalFeature1

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 661 of 2,016 nodes (32.8%)

12is a seed term whose Biolink class is not in doubt
649inherits from a seed term above it in the hierarchy

Biolink categories 1 category across 3,399 edges

Association3,399

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