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SCDO release notes
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SCDO Version 2

Released 15 April 2021


SCDO Version 1

Released 27 June 2019


Upcoming release:

SCDO Version 3

(currently being worked on)

When citing the main English version of the SCDO, use the permanent URL of the ontology: For other versions (e.g. translations or layperson versions), cite the relevant ontology file available at  When referencing a specific component of the SCDO, such as a class, object property, annotation property, or individual, use the component's Uniform Resource Identifier (URI).

                        Auto-changes made by code for updating SCDO-DE mappings: