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Provenance Working Group

Mission: to support the widespread publication and use of provenance information of Web documents, data, and resources. The Working Group will publish W3C Recommendations that define a language for exchanging provenance information among applications. (See Charter)

The Working Group is based on an extensive review and roadmap developed by a prior incubator group.

Presentation - An Overview of W3C PROV


Call For Implementations

The Provenance Working has published its call for implementation. Deadline January 31, 2013.

News & Active Topics

Active Topics


Task Forces

The Working Group activities are structured in four Task Forces:


The Working Group stems from a year long incubator group. We suggest that participants in the Working Group be familiar with the following documents:


See list of current participants, (or with contact info), wiki user pages, nicknames

If you want to join this group, see How to Join.

If you are officially in the group, you will automatically receive group email and your login and password will work on this wiki.

The email archive for is at

Mercurial repository


(Meeting minutes from the prov-o team are here)

earlier meetings

Teleconference information:

W3C Working Group Resources

Patent Policy

This Working Group operates under the W3C Patent Policy (5 February 2004 Version). To promote the widest adoption of Web standards, W3C seeks to issue Recommendations that can be implemented, according to this policy, on a Royalty-Free basis.

For more information about disclosure obligations for this group, please see the W3C Patent Policy Status Page.


Email the chairs and staff contacts at