Affiliation: | 1.Kobe University, 1-1 Rokko-dai, Nada-ku, Kobe, Hyogo, 657-8501, Japan ;2.National Institute of Informatics, 2-1-2 Hitotsubashi, Chiyoda-ku, Tokyo, 101-8430, Japan ;3.Universität Potsdam, August-Bebel-Strasse 89, 14482, Potsdam, Germany ;4.Inria – Centre de Rennes Bretagne Atlantique, Rennes, France ;5.Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8550, Japan ; |