Advanced technology and application of the ocean floor observatory around the Nankai trough, Southwestern Japan - Kaneda, Yoshiyuki; Araki, Eiichiro; Matsumoto, Hiroyuki; Nakamura, Takeshi; Kamiya, Shinichiro; Ariyoshi, Keisuke; Hori, Takane; Takahashi, Mamoru Hyodo Narumi; Baba, Toshitaka; Nakano, Masaru; Choi, Jin-Kyu; Nishida, Shuhei (OCEANS 2014 - TAIPEI, 2014)