Physical address  Postal address CSIRO ICT Centre Building E6B, Macquarie University Campus Herring Road, North Ryde NSW 2113, Australia CSIRO ICT Centre Locked Bag 17, North Ryde NSW 1670, Australia e-mail:  mikhail.prokopenko at csiro.au phone:  61 (0) 2 9325 3264 fax:      61 (0) 2 9325 3200