Goh Ong Sing and  C. Ardil and  Wilson Wong and  Shahrin Sahib,  Response Quality Evaluation in Heterogeneous Question Answering System: A Black-box Approach.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    September 2010, vol. 41(5). 1035 - 1040
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/13286.