Agnes Hui Chan, Rajmohan Rajaraman, Zhifeng Sun, Feng Zhu. Approximation Algorithms for Key Management in Secure Multicast. In Hung Q. Ngo, editor, Computing and Combinatorics, 15th Annual International Conference, COCOON 2009, Niagara Falls, NY, USA, July 13-15, 2009, Proceedings. Volume 5609 of Lecture Notes in Computer Science, pages 148-157, Springer, 2009. [doi]
Abstract is missing.