Members of the OASIS Open Data Protocol (OData) Technical Committee create and manage technical content in this TC GitHub repository ( https://github.com/oasis-tcs/odata-vocabularies ) as part of the TC's chartered work (i.e., the program of work and deliverables described in its charter).

OASIS TC GitHub repositories, as described in GitHub Repositories for OASIS TC Members' Chartered Work, are governed by the OASIS TC Process, IPR Policy, and other policies, similar to TC Wikis, TC JIRA issues tracking instances, TC SVN/Subversion repositories, etc. While they make use of public GitHub repositories, these TC GitHub repositories are distinct from OASIS Open Repositories, which are used for development of open source licensed content.


The purpose of this repository is to support development of standard vocabularies for annotating OData services. It contains the most recent copies of the OData vocabularies authored by members of the OASIS OData Technical Committee.


As stated in this repository's CONTRIBUTING file, contributors to this repository are expected to be Members of the OASIS OData TC, for any substantive change requests. Anyone wishing to contribute to this GitHub project and participate in the TC's technical activity is invited to join as an OASIS TC Member. Public feedback is also accepted, subject to the terms of the OASIS Feedback License.


Please see the LICENSE file for description of the license terms and OASIS policies applicable to the TC's work in this GitHub project. Content in this repository is intended to be part of the OData TC's permanent record of activity, visible and freely available for all to use, subject to applicable OASIS policies, as presented in the repository LICENSE file.

Further Description of this Repository

This repository contains XML sources as well as auto-generated JSON sources and Markdown documentation for the following vocabularies:

To learn how to construct an annotation value from a term definition, or vice versa, look here:


Please send questions or comments about OASIS TC GitHub repositories to Chet Ensign. For questions about content in this repository, please contact the TC Chair or Co-Chairs as listed on the the OData TC's home page.