8ZHANG Hua-ping,LIU Qun,ZHANG Hao,et al.Automatic recog-nition of Chinese unknown words based on role tagging. Proceed-ings of the First SIGHAN Workshop on Chinese Language Process-ing . 2002
8CHURCH K W, HANKS P. Word association norms, mutual information, and lexicography [J]. Comput Linguist, 1990,16(1):22-29.
9CHURCH K W, GALE W, HANKSP, et al. Using Statistics in Lexical Analysis. Lexical Acquisition: Exploiting On-Line Resources to Build a Lexicon [M]. ZERNIK U. New Jersey: Lawrence Erlbaum, 1991. 115-164.