[![Mark Birbeck speaking on RDFa at OkCon 2008](http://okfn.org/sysadmin/svn/t runk/okcon/2008/pictures/00149.jpg)](http://okfn.org/sysadmin/svn/trunk/okcon/ 2008/pictures/00149.jpg)
This presentation by Mark Birbeck was part of OKCon 2008, organised by the Open Knowledge Foundation.
Presentation title: RDFa: What It Is and What It's For (mp3)
By: Mark Birbeck
Conference: OKCon 2008, held at the London School of Economics, on Saturday March 15th, 2008.
Session: [Versioning, Packaging, and Structuring Open Material](http://okfn.org/wiki/okcon2008/Open_Space#head- 6697b2d5cc12f6f61f6a529efb0e8a8b6d78d570)
The Open Knowledge Foundation is a not-for-profit organization founded in 2004 with the simple aim of promoting (and protecting) open knowledge. It believes that open approaches to the production and distribution of knowledge can deliver far-reaching social and commercial benefits in a variety of areas.