Real Estate Evaluation on Thermal Diffusivity with IoT Sensors. - Yuan Lin; Shimpei Nomura; Yoichi Ikemoto; Yuki Obuchi; Xueting Wang; Toshihiko Yamasaki; Ryoma Kitagaki; Satoshi Toriumi; Mikihisa Hayashi; Ai Sakai; Nobuhito Haga (GCCE, 2019)