國立臺灣師範大學圖書資訊學研究所柯皓仁Chen, Shihn-YuarnTseng, Tzu-TingKe, Hao-RenSun, Chuen-Tsai2015-09-032015-09-032011-09-15http://rportal.lib.ntnu.edu.tw/handle/20.500.12235/74302Social Trend Tracking by Time Series Based Social Tagging Clustering