People’s understanding of the compact city in Japan through the analysis of Tweets

This study grasped people’s understanding of compact city in Japan based on tweets. The results of the analysis are as follows.1) Tweets were wide-ranging from daily life to policy content related to compact city. Themes of particular interest were "Definition of policies," "Mobility/ Convenience of living," and "City finance/ Management/ Administrative services."2) As a result of image classification, 34.5% of tweets were positive, 15.0% were negative, and 50.5% were others.3) Positives were associated with "Mobility/ Living convenience" and "Maintenance of infrastructure due to population problems". Negatives were associated with "Infectious disease risk in the city center" and "Transportation/ Feasibility".4) In addition, there were many tweets about "questions about policy" and "unique interpretation".