David G. Cameron A. Paul Millar Caitriana Nicholson Rubén Carvajal-Schiaffino Kurt Stockinger Floriano Zini Analysis of Scheduling and Replica Optimisation Strategies for Data Grids Using OptorSim. 57-69 2004 2 J. Grid Comput. 1 http://www.springerlink.com/index/10.1007/s10723-004-6040-6 db/journals/grid/grid2.html#CameronMNCSZ04