Enforcing policies with privacy guardians

AbstractReasoning about privacy in electronic environments populated with privacy-concerned agents that exchange personal data requires control of ownership and proving the right of possession of a piece of data. The privacy policy expressed by an individual for his personal data can be enforced by a context-aware mobile agent, called alter-ego, accompanying the personal data disclosed.We discuss the first steps towards a formal framework for expressing policies on information disclosure and their integration in the behavior specification of the alter-egos, that enables characterization of an environment manipulating personal data from the privacy perspective