ACM/IFIP/USENIX International Middleware Conference - Middleware 2004 22nd Brazilian Symposium on Computer Networks - SBRC'2004 2nd Workshop on Grid Computing and Applications - WCGA'2004 4th IEEE/ACM International Symposium on Cluster Computing and the Grid 2004 5th IEEE/ACM International Symposium on Cluster Computing and the Grid 2005 4th IEEE Latin American Network Operations and Management Symposium - LANOMS'2005 Concurrency and Computation: Practice and Experience Journal (Vol 16 Issue 5 2004) Distributed Systems Online - Grid Computing Distributed Scientific Computing Group - ComCiDis / LNCC