Nabil Abdennadher Dana Petcu Advances in Grid and Pervasive Computing, 4th International Conference, GPC 2009, Geneva, Switzerland, May 4-8, 2009. Proceedings 5529 2009 http://dx.doi.org/10.1007/978-3-642-01671-4 978-3-642-01670-7 GPC Lecture Notes in Computer Science Springer db/conf/gpc/gpc2009.html