“…Regarding (4) studies related to systems utilizing social media, Yamada et al, (2013) [57], Ishino (2014) [58], Yang et al, (2015) [59], Yamamoto et al, (2017) [60], Yoon et al, (2018) [61], Yamamoto et al, (2021) [62] and Yamada et al, (2022) [63] developed automatic web-based real time service systems that extracted necessary information from submissions on social media and transmitted it to users. Kusmawan et al, (2014) [64], Sato et al, (2015) [65], Kwak et al, (2016) [66], Kawai et al, (2018) [67], Tran et al, (2022) [68] and Fujihara (2020) [69] utilized location-based SNS to develop original systems that predicted and visualized the congestion for any location and area specified by users.…”