Paul Roe Wayne Kelly Seventh Australasian Symposium on Grid Computing and e-Research, AusGrid 2009, Wellington, New Zealand, January 2009 AusGrid 2009 Australian Computer Society 978-1-920682-80-4 CRPIT 99 http://crpit.scem.westernsydney.edu.au/Vol99.html db/conf/ausgrid/ausgrid2009.html