WASET
    Jan Pomikalek and  Radim Rehurek ,  The Influence of Preprocessing Parameters on Text Categorization.   journal   = {International Journal of Industrial and Manufacturing Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2007, vol. 9(9). 504 - 507
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/6976.