Sharjeel Aslam and  Vassil Vassilev and  Karim Ouazzane,  Parallel Querying of Distributed Ontologies with Shared Vocabulary.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    April 2019, vol. 149(5). 283 - 290
    [viewed 24 October 2021]. Available from: https://publications.waset.org/pdf/10010391.