**5.1. Operation overview**

Regarding the operation target area, the Chofu City in Tokyo Metropolis, Japan, was selected. One reason for this selection is that it has popular walking courses and sightseeing spots in the city. The second is that the city consists of flat terrain and gentle slopes, and such a topography condition is suitable for walking.

The system was operated over a period of 5 weeks (from 12/15/2017 to 1/22/2018) with those inside and outside the operation target area. Whether inside or outside the operation target area, the operation of the system was advertised using the Website of the authors' lab as well as Twitter and Facebook.-

#### **5.2. Operation result**

Users of the system are shown in **Table 1**. The system has a total of 73 users with 48 male and 25 female users. Regarding age groups, there are many male and female users in their 20s making up 56% of the total. Subsequently, those in their 50s were 15%; those in their 40s were 11%; those in their 30s were 7%; those in their 10s were 6%; and those in their 60s, and above were 6%. The number of people who used the registration function of walking information was only 5, about 7% of the total number of users, and the number of walking information registered was 21. However, by using the system over a long period, it is expected that further registration of walking information.

#### **5.3. Management of submitted information by administrators during the operation-**

Every user's submissions of information and image files are all accumulated as data in the database of the system. Administrators manage users and check submitted information using a list screen designed especially for the purpose. Administrators can take the measure of suspending accounts of users who have made inappropriate transmissions or behaved


**Table 1.** Breakdown of system users and Web questionnaire survey respondents.

inappropriately, and if by any chance an inappropriate submission is made, administrators can delete the submission with just one click. Due to these features, there is no need for administrators to search to see whether or not inappropriate submissions of information have been made within the system; therefore, their burden can be lessened.
