"Modeling energy-aware cloud federations with SRNs", 32nd International Conference on Application and Theory of Petri Nets and Concurrency (Petri Nets), vol. 7400 Lecture Notes in Computer Science, Newcastle upon Tyne, United Kingdom, 20-24 June 2011, Springer-Verlag, pp. 277-307, 2012.
"A scalable availability model for Infrastructure-as-a-Service cloud", Proceedings of the 41st IEEE/IFIP International Conference on Dependable Systems and Networks (DSN), Hong Kong, Hong Kong, 27-30 June 2011, IEEE Computer Society, pp. 335-346, 2011.
"Performance analysis of job dissemination techniques in Grid systems", Concurrency Computation Practice and Experience - John Wiley & Sons, Inc., vol. 23, no. 11, pp. 1213-1235, 2011.
"VO-level performance analysis of gLite Grids", Proceedings of the 19th IEEE Workshop on Enabling Technologies: Infrastructure for Collaborative Enterprises (WETICE), Larissa, Greece, 28-30 June 2010, IEEE Computer Society, pp. 243-248, 2010.
"QoS assessment of WS-BPEL processes through non-Markovian stochastic Petri nets", Proceedings of the 24th IEEE International Symposium on Parallel and Distributed Processing (IPDPS), Atlanta, GA, United States, 19-23 April 2010, IEEE Computer Society, 2010.