Policy arbitration method, policy arbitration server, and program

摘要

A policy arbitration method comprises: entering a user policy in which a privacy information holder describes at least one rule that is a pair of a data type of privacy information possessed by the privacy information holder and the way to handle the data type; generating, using the user policy and a service policy set that includes at least one service policy in which a privacy information user describes at least one rule that is a pair of a data type of the privacy information and the way to handle the data type, a ranking of the service policy according to the degree of divergence between the user policy and the service policy; and displaying the service policy ranking on a privacy information holder terminal.