Ibrahim Gomaa and  Hoda M. O. Mokhtar,  Computing Continuous Skyline Queries without Discriminating between Static and Dynamic Attributes .   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    January 2016, vol. 120(12). 2099 - 2104
    [viewed 27 January 2021]. Available from: https://publications.waset.org/pdf/10006161.