WASET
    S.Aranganayagi and  K.Thangavel,  Incremental Algorithm to Cluster the Categorical Data with Frequency Based Similarity Measure.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2010, vol. 37(1). 168 - 176
    [viewed 25 April 2024]. Available from: https://publications.waset.org/pdf/14709.