ISSN 1000-1239 CN 11-1777/TP
Mining Patent Knowledge for Automatic Keyword Extraction
Chen Yiqun, Zhou Ruqi, Zhu Weiheng, Li Mengting,Yin Jian
Journal of Computer Research and Development . 2016, (8): 1740 -1752 .  DOI: 10.7544/issn1000-1239.2016.20160195