Chien-Hung Chen and  Yan-Chun Hsing and  Yung-Chun Chang,  Composite Kernels for Public Emotion Recognition from Twitter.   journal   = {International Journal of Cognitive and Language Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2018, vol. 142(10). 835 - 840
    [viewed 14 October 2019]. Available from: https://publications.waset.org/pdf/10009602.