Here’s a first pass at a Fluidinfo [1] backend store for the Annotator [2] project:
https://github.com/kartiksubbarao/annotator-fluidinfo [3]
More info is available in these posts:
http://lists.okfn.org/pipermail/annotator-dev/2012-August/000401.html [4]
http://lists.okfn.org/pipermail/annotator-dev/2012-August/000402.html [5]
http://lists.okfn.org/pipermail/annotator-dev/2012-August/000403.html [6]