%0 Journal Article %T A Cross - Domain Role Mapping and Authorization Framework for RBAC in Grid Systems. %A G. Geethakumari %A Atul Negi %A V. N. Sastry %J International Journal of Computer Science & Applications %D 2009 %I Technomathematics Research Foundation %U http://www.tmrfindia.org/ijcsa/v6i11.pdf