ABSTRACT
In general, support for rainy day travel is known to be imperative during long times. Rainy weather has significant risk for tourists to terribly reduce a satisfaction level of their travel. However, its solution is not fully developed. In Post-Covid-19 environment, support for tourism in an actual field could become imperative again. In the present paper, we put one assumption that 'a tourist has already made his/her travel plan for a sunny day'. By the way, there exists a social approach: 'potential-of-interest maps for mobile tourist information services'. It shows the amounts of the numbers of the photographs in social photograph sharing system 'Flickr' by color and intensity on a map. This paper modifies it for support of rainy day travel planning. Concretely, we propose the following three menus in our system: 1) a menu to show 'potential-of-interest maps' per a degree of rainfall amount, 2) a menu to show only travel spot which is robust to rainy weather based on its static characteristics, and 3) a menu to show only travel spots within a specified distance range from a basic point, taking into account decrease of behavior range. With these three menus, we try to support a tourist to change his/her travel plan efficiently even if weather suddenly becomes rain. In actual, we have evaluated our pilot system by the following two method: (1) evaluation experiment with some subjects, and (2) interviews to tourism professionals. Both of their results shows that our system would be useful in order to support for a tourist to change his/her travel plan efficiently when weather has suddenly become rain. © 2023 IEEE.