WASET
    Thashmee Karunaratne and  Henrik Böstrom,  DIFFER: A Propositionalization approach for Learning from Structured Data.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    March 2008, vol. 15(3). 808 - 810
    [viewed 19 April 2024]. Available from: https://publications.waset.org/pdf/10861.