Hager Kammoun and  Jean Charles Lamirel and  Mohamed Ben Ahmed,  Neural-Symbolic Machine-Learning for Knowledge Discovery and Adaptive Information Retrieval.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    November 2007, vol. 11(11). 3516 - 3520
    [viewed 20 April 2024]. Available from: https://publications.waset.org/pdf/8945.