Chen Wu and  Xiaohua Hu,  Applications of Rough Set Decompositions in Information Retrieval.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2010, vol. 39(3). 543 - 548
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/12504.