Preface: Current issues in spatial data infrastructures and system design

S. Winter I. Williamson Department of Geomatics The University of Melbourne Parkville, VIC 3010, Australia winter@unimelb.edu.au ianpw@unimelb.edu.au This edition of the Spatial Sciences Journal includes a Special Feature of four research papers describing current research in spatial data infrastructures and system design. The four papers represent a snapshot of a much wider range of current research in Australia and internationally, and show the depth and breadth of research in the area.