Michael Backes, Markus Dürmuth, Rainer Steinwandt. An Algebra for Composing Enterprise Privacy Policies. In Pierangela Samarati, Peter Y. A. Ryan, Dieter Gollmann, Refik Molva, editors, Computer Security - ESORICS 2004, 9th European Symposium on Research Computer Security, Sophia Antipolis, France, September 13-15, 2004, Proceedings. Volume 3193 of Lecture Notes in Computer Science, pages 33-52, Springer, 2004. [doi]