1.    Ma Y C. A Propositional deductive system of universal logic with projection operator. Proceedings of the 6th Intelligent Conference on Systems Design and Applications (ISDA’06): Vol 1, Oct 16-18, 2006, Jinan, China. Piscataway, NJ, USA: IEEE, 2006: 996-998

  2.    He H C, Wang H, Liu Y H, et al. Principles of universal logics. Beijing, China: Science Press, 2001 (in Chinese)

  3.    He H C, Ai L R. Uncertainties and the flexible logics. Proceedings of the 2nd International Conference on Machine Learning and Cybernetics (ICMLC’03): Vol 3, Aug 21-24, 2003, Washington, DC, USA. Piscataway, NJ, USA: IEEE, 2003: 2573-2578

  4.    Jia P T, He H M, Lin W. Multiple classifiers combination based on specialists’ field. Proceeding of the 5th Mexican International Conference on Artificial Intelligence (MICAI’06), Nov 13-17, 2006, Apizaco, Mexico. Los Alamitos, CA, USA: IEEE Computer Society, 2006: 161-167

  5.    Luo M X, He H C. Algebraic method to study universal logic. Beijing, China: Science Press, 2010 (in Chinese)

  6.    Luo M X, Ding C H. A propositional calculus formal deductive system SUBL. Proceeding of the 2010 Symposium on Computer, Communication, Control and Automation (3CA’10): Vol 1, May 5-7, 2010, Tainan, China. Piscataway, NJ, USA: IEEE, 2010: 130-133

  7.    Jia P T. Studies on unequal weighted universal combination operation based on interval [a,b]. Proceeding of the 8th International Conference on Fuzzy Systems and Knowledge Discovery (FSKD’11): Vol 1, Jul 26-28, 2011, Shanghai, China. Piscataway, NJ, USA: IEEE, 2011: 272-276

  8.    Luo M X, He H C. On the relationship among universal set, universal logic and universal algebra. Journal of Chongqing Institute of Technology, 2006, 20(2): 1-6 (in Chinese)

  9.    Jia P T, He H C. Research of universal combination operation model. Computer Science, 2010, 37(10): 175-180 (in Chinese)

10.    Shannon C E. Mathematical theory of communication. Bell System Technical Journal, 1948, 27(1): 1-65

11.    Wang X Z, Sun J. A comparison between fuzzy and crisp decision trees. Computer Engineering and Applications. 2003, 39(21): 72-75 (in Chinese)

12.    Xie J B. An extended heuristic algorithm to ID3 based on the mutual information between attributes. Computer Engineering and Applications. 2004. 40(30): 93-94 (in Chinese)