Geospatial crossroads @ GI_Forum '09 : proceedings of the geoinformatics forum Salzburg, : Geoinformatics on stage, July 7-10, 2009., 66-75 STARTPAGE=66;ENDPAGE=75;TITLE=Geospatial crossroads @ GI_Forum '09 : proceedings of the geoinformatics forum Salzburg, : Geoinformatics on stage, July 7-10, 2009. Bernhard Höfle