Wei C.-PCHIH-PING WEI2020-02-102020-02-102007https://www.scopus.com/inward/record.uri?eid=2-s2.0-33947577001&doi=10.1109%2fTSMCA.2006.886377&partnerID=40&md5=9f8bf4aa67f15983d37b6e545b81ef2bhttps://scholars.lib.ntu.edu.tw/handle/123456789/456510Discovering event evolution patterns from document sequencesjournal article10.1109/TSMCA.2006.8863772-s2.0-33947577001