I'm in the preliminary research phase, and it's too early to tell. But I'm investigating the feasibility of using the Open Annotation data model (draft: http://

I'm in the preliminary research phase, and it's too early to tell. But I'm investigating the feasibility of using the Open Annotation data model (draft: http://openannotation.org/spec/core/ http://openannotation.org/spec/core/), which they are also basing their work on, so the possibility is open.