Mohammad Reza Kangavari and  Samira Ghandchi and  Manak Golpour,  A New Model for Question Answering Systems.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2008, vol. 18(6). 678 - 685
    [viewed 04 May 2024]. Available from: https://publications.waset.org/pdf/15301.