The development version of the ontology is available at: https://purl.org/ontodm as well in the root folder. It imports external classes from OBI and IAO ontologies as well as from the generic ontology of datatypes https://purl.org/ontodt as well as data mining specific datatypes https://purl.org/ontodt/dmtypes.

The version 1 of the ontology is described in the paper https://link.springer.com/article/10.1007/s10618-014-0363-0 .

The ontology is also available on BioPortal https://bioportal.bioontology.org/ontologies/ONTODM-CORE