Mark James Carman Floriano Zini Luciano Serafini Kurt Stockinger Towards an Economy-Based Optimisation of File Access and Replication on a Data Grid. 340-345 2002 conf/ccgrid/2002 CCGRID http://csdl.computer.org/comp/proceedings/ccgrid/2002/1582/00/15820340abs.htm db/conf/ccgrid/ccgrid2002.html#CarmanZSS02