P3P - Platform for Privacy Preferences
P3P provides a spec and demos of ways of expressing privacy practices & preferences by Web sites and users
Grammatical Model
Grammar and vocabulary for machine-readable statements:
Data Categories: e.g. name, email, ...
Practices:
Use: e.g. system admin, research, customisation
Transfer: divulge information within organisation
Release: divulge info to other organisation
Access: ability of data subject to view information
See <URL: http://www.w3.org/TR/ NOTE-IPWG-Practices.html>