In this study, we formulate the attractiveness of tourist spots according to the tastes of tourists and numerically calculate them. When tourists visit a sightseeing spot, their preferences and the attractiveness of the spot play an important role in determining how to make a satisfactory tour within a limited time frame. In order to solve this problem, we have developed the decision support system that integrates a mathematical approach and ICT technology to help tourists make decisions on

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... h routes to take based on their own preferences. In this study, we formulate the attractiveness of sightseeing spots based on tourists' preferences, and propose an algorithm for constructing a sightseeing route that takes tourists' travel time into account. Next, we implement the proposed algorithm in the tourism support system [1], and visualize the tourism route configured by this algorithm on the map screen using the Google Maps API function. Finally, as part of the industry-academia-government collaboration project with Sakai City, we conduct verification experiments in Sakai City to verify the effectiveness of the proposed algorithm.