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