Liao C.-C.FU-REN XIAOJAU-MIN WONGChiang I.-J.Tsai Y.-H.Liu C.-C.-H.Huang K.-C.2020-03-172020-03-172018https://www.scopus.com/inward/record.uri?eid=2-s2.0-85055698931&doi=10.1145%2f3239438.3239488&partnerID=40&md5=8e9c6392888dc1c73e056df8518b5670https://scholars.lib.ntu.edu.tw/handle/123456789/476465Special issue: Text mining and information analysis; Retrieving and clustering keywords in neurosurgery operation reports using text mining techniquesconference paper10.1145/3239438.32394882-s2.0-85055698931