First, an epidemiological surveyor should decide whether additional collection of personal information is needed. If the answer is yes, the official should seek approval from relevant authorities to get access to the data. For example, as for the location information, separate permission from the National Police Agency is required.” Source: http://www.molit.go.kr/english/USR/BORD0201/m_28286/DTL.jsp?id=eng_mltm_new&mode=view&idx=2931 3) Key missing components/literatures: We fully agree with the reviewers' comments. Therefore, as the limit of this paper, the limit of the ethical aspect was first specified, and in the situation where the service is not needed, the service is deleted in consideration of the ethical aspect in the structure of the smart city. Also in Korea, it is legally required to be used only when necessary. Ministry of Land, Infrastructure and Transport (Korea): “…… But the scope of data collected will be kept to minimum and a due procedure should be followed in acquiring the data.
My last concern is the ethical aspects of the proposed services. The authors acknowledge that not addressing these is a limitation of their research. In my opinion, this is more than a limitation, this is essential to discuss given the nature of what the authors propose.