Fabio Kon Anne-Marie Kermarrec Middleware 2011 - ACM/IFIP/USENIX 12th International Middleware Conference, Lisbon, Portugal, December 12-16, 2011. Proceedings 7049 2011 Springer Lecture Notes in Computer Science http://dx.doi.org/10.1007/978-3-642-25821-3 978-3-642-25820-6 Middleware db/conf/middleware/middleware2011.html