Proceedings of the IASS Annual Symposium 2016 “Spatial Structures in the 21st Century”, 26–30 September, 2016, Tokyo, Japan, 1-10 STARTPAGE=1;ENDPAGE=10;TITLE=Proceedings of the IASS Annual Symposium 2016 “Spatial Structures in the 21st Century”, 26–30 September, 2016, Tokyo, Japan