WASET
    Cheng-Lung Huang and  Han-Yu Chien and  Michael Conyette,  Folksonomy-based Recommender Systems with User-s Recent Preferences.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    June 2011, vol. 54(6). 572 - 576
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/4481.