Jean Bacon Brian F. Cooper Middleware 2009, ACM/IFIP/USENIX, 10th International Middleware Conference, Urbana, IL, USA, November 30 - December 4, 2009. Proceedings 5896 2009 http://dx.doi.org/10.1007/978-3-642-10445-9 978-3-642-10444-2 Middleware Lecture Notes in Computer Science Springer db/conf/middleware/middleware2009.html