Radek Malinský and  Ivan Jelínek,  Sentiment Analysis: Popularity of Candidates for the President of the United States.   journal   = {International Journal of Humanities and Social Sciences}, [online]. World Academy of Science, Engineering and Technology.
    December 2012, vol. 72(12). 3679 - 3681
    [viewed 26 April 2024]. Available from: https://publications.waset.org/pdf/15221.