AccessForAll is a framework (see
AccessForAllFramework) designed to define and describe resource accessibility. It currently exists as a number of specifications being developed collaboratively by a group of communities interested in interoperable metadata for describing accessibility characteristics of resources and in some contexts related user profile information. The following links may be of interest:
DCMI Accessibility Working Group Home page at http://dublincore.org/groups/access/
IMS Global Accessibility (where this work originated in 2000) at http://www.imsglobal.org/accessibility/
CEN ISSS Learning Technologies Workshop at http://www.cenorm.be/isss/workshop/lt/
ISO JTC1 SC36 at http://jtc1sc36.org/
AccessForAllSession