Department of Social Informatics;
Kyoto University;
Yoshidahonmachi;
Sakyo Ward;
Kyoto;
Japan;
606-8501;
Nagoya Institute of Technology;
Gokiso-cho;
Showa-ku;
Nagoya;
Aichi;
Japan;
466-8555;
Artificial intelligence; conversational agents; natural language processing; online discussion; computational social science;