Lucas A. Silva and  Carla R. Aguiar,  Contextual Sentiment Analysis with Untrained Annotators.   journal   = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology.
    February 2014, vol. 87(3). 435 - 440
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/9997689.