[1] Kwangwoon Universiy, Dept. of Artificial Intelligence, Seoul, Korea, Republic of
[2] Openup, Seoul, Korea, Republic of
[3] Jeju National Universiy, Dept. of Management Information Systems, Jeju, Korea, Republic of
[4] Junju Universiy, Dept. of Public Administration, Junju, Korea, Republic of
[5] School of Information Convergence, Kwangwoon Universiy, Seoul, Korea, Republic of