Table 1 Prefix and URL of the ontology of origin of the classes imported in ONS

Basic Formal Ontology

BFO

http://ifomis.uni-saarland.de/bfo/

Chemical Entities of Biological Interest

CHEBI

https://www.ebi.ac.uk/chebi/

Clinical Measurement Ontology

CMO

https://bioportal.bioontology.org/ontologies/CMO

EMBRACE Data And Methods Ontology

EDAM

http://edamontology.org/page

Experimental Factor Ontology

EFO

https://www.ebi.ac.uk/efo/

eagle-i Research Resource Ontology

ERO

https://open.med.harvard.edu/wiki/display/eaglei/Ontology

Food Ontology

FOODON

https://foodontology.github.io/foodon/

Human Phenotype Ontology

HP

http://human-phenotype-ontology.github.io/

The Information Artifact Ontology

IAO

https://github.com/information-artifact-ontology/IAO

Informed Consent Ontology

ICO

https://github.com/ICO-ontology/ICO

NCBITaxon ontology

NCBITaxon

http://www.obofoundry.org/ontology/ncbitaxon.html

The NCI Thesaurus

NCIT

http://www.obofoundry.org/ontology/ncit.html

Ontology of Biological and Clinical Statistics

OBCS

https://github.com/obcs/obcs

Ontology for Biomedical Investigations

OBI

http://obi-ontology.org/

Ontology for Biobanking

OBIB

http://www.obofoundry.org/ontology/obib.html

Ontology for General Medical Science

OGMS

http://www.obofoundry.org/ontology/ogms.html

The Ontology of Host-Microbiome Interactions

OHMI

https://github.com/OHMI-ontology/OHMI

Ontological Minimum Information About BIobank data Sharing

OMIABIS

http://www.obofoundry.org/ontology/omiabis.html

The Ontology of Medically Related Social Entities

OMRSE

https://github.com/ufbmi/OMRSE

The Semanticscience Integrated Ontology

SIO

https://github.com/micheldumontier/semanticscience

STATistics Ontology

STATO

http://stato-ontology.org/

An ontology of units of measurements

UO

https://github.com/bio-ontology-research-group/unit-ontology