S S symmetry Article Classification of Negative Information on Socially y Significant Topics in Mass Media Ravil I. Mukhamediev 1,2,3,* , Kirill Yakunin 1,3,*, Rustam Mussabayev 3,* , Timur Buldybayev 4, Yan Kuchin 3 , Sanzhar Murzakhmetov 3 and Marina Yelis 1,* 1 Institute of Cybernetics and Information Technology, Satbayev University (KazNRTU), Satpayev str., 22A, Almaty 050013, Kazakhstan 2 Department of Natural Science and Computer Technologies, ISMA University, Lomonosov str., 1, LV-1011 Riga, Latvia 3 Institute of Information and Computational Technologies, Pushkin str., 125, Almaty 050010, Kazakhstan;
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[email protected] (M.Y.) The work was funded by a grant BR05236839 of the Ministry of Education and Science of the Republic y of Kazakhstan. Received: 30 October 2020; Accepted: 23 November 2020; Published: 25 November 2020 Abstract: Mass media not only reflect the activities of state bodies but also shape the informational context, sentiment, depth, and significance level attributed to certain state initiatives and social events. Multilateral and quantitative (to the practicable extent) assessment of media activity is important for understanding their objectivity, role, focus, and, ultimately, the quality of the society’s “fourth power”. The paper proposes a method for evaluating the media in several modalities (topics, evaluation criteria/properties, classes), combining topic modeling of the text corpora and multiple-criteria decision making.