From Wikimedia Usability Initiative
- Integrated into MediaWiki (possibly as an extension)
- Reusable format (possibly embeddable into XMP file metadata in the future).
- Multimedia Annotation Interoperability Framework, W3C Incubator Group Editor's Draft, 14 August 2007
- Image Annotation on the Semantic Web, W3C Incubator Group Report 14, August 2007
- Document for discussing ideas for image annotation and face recognition., Michael G. Hansen, 2009-11-12 (download ODT file), part of a general discussion about Face recognition feature