Takahiro Nishigaki and  Katsumi Nitta and  Takashi Onoda,  Incremental Learning of Independent Topic Analysis.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2017, vol. 122(2). 237 - 243
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/10006461.