WASET
    Sarah Motiee and  Azadeh Nematzadeh and  Mehrnoush Shamsfard,  A Hybrid Ontology Based Approach for Ranking Documents.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2007, vol. 11(11). 3633 - 3638
    [viewed 29 March 2024]. Available from: https://publications.waset.org/pdf/4892.