TY - CONF T1 - On trade-offs in event delivery systems T2 - Proceedings of the Fourth ACM International Conference on Distributed Event-Based Systems Y1 - 2010 A1 - Roitman,H. A1 - Gal,A. A1 - Raschid, Louiqa JA - Proceedings of the Fourth ACM International Conference on Distributed Event-Based Systems ER -