Serafeim Zanikolas Rizos Sakellariou Application-level simulation modelling of large grids. 582-589 2005 conf/ccgrid/2005 CCGRID http://doi.ieeecomputersociety.org/10.1109/CCGRID.2005.1558606 db/conf/ccgrid/ccgrid2005.html#ZanikolasS05