東日本大震災時と平常時における地域SNS 利用状況の変遷の分析

抄録

In this research, we analyzed what kind of articles were posted by users who posted information to SNS at the time of the earthquake and what kind of topics they were communicating with at normal time. For this object, we surveyed the regional SNS "Morionet" used in Morioka City, Iwate Prefecture, and analyzed the article which the user who posted the article at the time of the Great East Japan great earthquake posted in the normal times by data mining. As a result of the analysis, users who were discussing about support activities and reporting on current situation at the time of the earthquake disaster, share the information in a normal time and continuously communicate with topics such as building a visible relationship with other users I was taking. In addition, users who posted information at the time of the earthquake were able to post information that they experienced in their lives, such as posting articles by actually photographing shrines etc. in normal times, etc. .