Obtaining P3P Privacy Policies for Composite Services

Algorithm 1

The P3P policy structure and an example P3P policy from http://www.walmart.com/ (the structure of P3P privacy policy).

Policy{Entity, Access, Disputes-Group,

 Statement(s) {Purpose [Required],

       Recipient [Required],

       Retention,

       Data-Group{

        Data [Optional]{

        Categories}}}}