Fabio Porto Othman Tajmouati Vinícius F. V. da Silva Bruno Schulze Fausto V. M. Ayres 846-851 2007 conf/ccgrid/2007 CCGRID http://dx.doi.org/10.1109/CCGRID.2007.89 db/conf/ccgrid/ccgrid2007.html#PortoTSSA07