In the setting of policies for personal data, instructions originating from a primary user and defining a privacy policy for a selected piece of personal data are communicated, via an application unit (220), to a privacy-setting node (258) of a service broker (250). The instruction define possible data...http://www.google.com.tw/patents/US7913291?utm_source=gb-gplus-share專利 US7913291 - Means and method for control of personal data
