Most of the papers contained in this volume grew out of presentations given attheInternational Workshop StatGIS03-InterfacingGeostatistics, GISand Spatial Data Bases, which was held in Pörtschach, Austria, Sept. 29-Oct. 1, 2003, and ensuing discussions, afterwards. Some of the papers are new and have not been given at the conference. Therefore, most of the papers should not be considered as conference proceedings in its original sense but rather moreasself-containedandactualcontributionstothethemeoftheconference, the interfacing between geostatistics, geoinformation systems and spatial data base management. Although some progress has been made toward interfacing, we still feel thatthereisonlylittleoverlapbetweenthedi?erentcommunities. Thepresent volume is intended to provide a bridge between specialists working in di?erent areas. According to