Collaborative research
- Oguchi / Hayakawa Laboratory, The University of Tokyo ( http://oguchaylab.csis.u-tokyo.ac.jp/, in Japanese )
- Laboratory of Geographical Information Science: LaGIS, Tokyo Metropolitan University ( http://www.ues.tmu.ac.jp/geog/en/research/GeographicalInformationSciences.html )
- Japan Society for Promotion of Science (JSPS, http://www.jsps.go.jp/english/index.html )
- KOKI TESHIROGI website ( http://www.setsunan.ac.jp/~teshirog/ )
- naoko83.com ( http://naoko83.com/ in Japanese)