*Maggi Nina Kelly¹ (1.University of California, Berkeley. University of California Division of Agriculture and Natural Resources. University of California Geospatial Innovation Facility)

*Ronald C. Estoque¹, Yuji Murayama¹ (1.Faculty of Life and Environmental Sciences, University of Tsukuba, Japan)

*Narumasa Tsutsumida¹ (1.Graduate School of Global Environmental Studies, Kyoto Univeristy)

*Joel Calupas Bandibas¹, Shinji Takarada¹ (1.Geological Survey of Japan, National Institute of Advanced Industrial Science and Technology)

*Min Lu¹, Ayako Sugiyama², Masatoshi Arikawa¹ (1.Center for Spatial Information Science, The University of Tokyo, 2.Graduate School of Frontier Sciences, The University of Tokyo)

*David Thau¹ (1.Google, Inc.)