Mikhail J. Atallah, Marina Blanton, Keith B. Frikken. Key management for non-tree access hierarchies. In David F. Ferraiolo, Indrakshi Ray, editors, SACMAT 2006,11th ACM Symposium on Access Control Models and Technologies, Lake Tahoe, California, USA, June 7-9, 2006, Proceedings. pages 11-18, ACM, 2006. [doi]
Abstract is missing.