Maurizio Giacobbe, Antonio Celesti, Maria Fazio, Massimo Villari, Antonio Puliafito. An approach to reduce energy costs through virtual machine migrations in cloud federation. In 2015 IEEE Symposium on Computers and Communication, ISCC 2015, Larnaca, Cyprus, July 6-9, 2015. pages 782-787, IEEE Computer Society, 2015. [doi]