Zhi Teng and  Ye Liu and  Fuji Ren,  An Integrated Natural Language Processing Approach for Conversation System.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2009, vol. 27(3). 697 - 704
    [viewed 20 September 2024]. Available from: https://publications.waset.org/pdf/4953.