Obtaining P3P Privacy Policies for Composite Services

Algorithm 4

P3P privacy policies of three single services (Policy₂).

Policy₂{Entity (#business.name): ,…,

 𝑆₁{Purpose: (current, telemarketing),

    Recipient: (ours),

    Retention: (stated-purpose),

    Data: (#user.name [yes], #user.home-info)}

 𝑆₂{Purpose: (telemarketing),

    Recipient: (unrelated [opt-out]),

    Retention: (stated-purpose),

    Data: (#user.home-info)}}