Ulrich Flegel, Michael Meier. Authorization Architectures for Privacy-Respecting Surveillance. In Javier Lopez, Pierangela Samarati, Josep L. Ferrer, editors, Public Key Infrastructure, 4th European PKI Workshop: Theory and Practice, EuroPKI 2007, Palma de Mallorca, Spain, June 28-30, 2007, Proceedings. Volume 4582 of Lecture Notes in Computer Science, pages 1-17, Springer, 2007. [doi]
Abstract is missing.