Annotations - mitocw/edx-platform GitHub Wiki

Description

Situated annotations (tied to a particular spot in a document, video, or audio -- more generally, in a resource)

Project Details

• Course proposal from Prof. Henderson
• Initial spec from Prof. Mahan
• Invision designs
• Analysis of Persistence API options by @justinabrahms
• Draft Architecture

Status

• Developing video annotations prototype built on existing edX services
  • evaluating Student Notes API for annotation store
  • evaluating Discussion API for comments

Prior art in edX

• edX "Annotation Problem"
  • course author shares annotations with students
• "Harvard Annotations" on edX
  • students share annotations with each other and instructor
  • allows annotations on text, image and video
  • Harvard moving away from this towards an LTI solution (needs link)
  • uses grails-based annotation store CATCHA
• edX Student Notes
  • private student annotations
  • limited to annotating text only
  • annotation tool is screenreader- and keyboard-accessible
  • uses custom edx-notes-api for annotation store

Other prior art

• An overview of other efforts
• TheAnnotator
• W3C Annotation spec
• HyperStudio (MIT)
• NB (MIT)