Resource files are part or BPMN™, DD™, MOF™, OCL™, UML® and XMI® specification. Files, names and resource ARE SUBJECT TO SPECIFICS LICENSE AND COPYRING. All details can be found on each specification version website (available in resource subfolders) and on normative specification documents.
All this files come from the website of The Object Management Group® (OMG®) (an international, open membership, not-for-profit technology standards consortium), at https://www.omg.org/. This resource folder contain files with various authors and copyring, depending of specification version.
I would like to thank the OMG consurtium for this work and for this contribution to the world of computer industrie.