A collaboration between MINDSWAP and DIG to work toward Creating the Policy-Aware Web: Discretionary, Rules-based Access for the World Wide Web, funded under NSF ITR 04-012 . Those interested in this project should also be aware of the Transparent Accountable Datamining Initiative (TAMI).
See also: cwm-dev plans, including every-other-week cwm-dev/paw meetings.
Try FilmTrust, a nearby project.
paw team: see dev notes to get started working in this space. site admin notes are also available.