5Kudo M and Sklansky J, Comparison of Algorithms that Select features pattern classifiers, Pattern Recognit,2000,33, (1) ,pp. 25-41.
6Basak J,De R.K and Pal S. K, Unsupervised Feature Selection using a Neuro-fuzzy Approach, Pattern Recognit Lett, 1998,19, pp. 997- 1006.
7Lecky- Terry. H, Language and Context: A functional linguistics theory of register, London and New York: Pinter, 1995.
8Uchida H,Zhu M.The Universal Networking Language beyond Machine Translation[C].In:Presented at International Symposium on Language in Cyberspac,Seoul,Korea,2001