From Accessible Infographics Community Group
This is the Accessible Infographics community group wiki.
DIAGRAM image descriptions
-  (WGBH DIAGRAM)
- DIAGRAM content model homepage (includes an overview of use cases)
- DIAGRAM markup technical specification (part of the DAISY/NISO Z39.86-2012 Authoring and Interchange Framework for Adaptive XML Publishing)
- sample XML file using the DIAGRAM content model (+ alternative link to the source repository)