Sriram Krishnan Randall Bramley Dennis Gannon Rachana Ananthakrishnan Madhusudhan Govindaraju Aleksander Slominski Yogesh Simmhan Jay Alameda Richard C. Alkire Timothy O. Drews Eric Webb The XCAT Science Portal. 303-317 2002 10 Scientific Programming 4 db/journals/sp/sp10.html#KrishnanBGAGSSAADW02 http://iospress.metapress.com/content/ueybqkhhpgjugwt2/