Browsing by Author "Kirichenko, Oleksandr"

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    Processing Words Effectiveness Analysis in Solving the Natural Language Texts Authorship Determination Task
    (IEEE, 2021) Demidovich, Inna M.; Shynkarenko, Viktor I.; Kuropiatnyk, Olena; Kirichenko, Oleksandr
    ENG: The previously developed method establishes the natural language texts authorship based on frequency analysis, supplemented by indicators of text complexity and recurrent analysis. The authorship indication problem is reduced to the pattern recognition classical theory. To account for the different individual indicators information content, their weights are taken into account. They are determined according to the maximum number of the correctly established texts authorship from the training sample using a genetic algorithm. This method is used to study the effectiveness of the author's style representation that is based on different types of words processing: two types of words stems and 4-grams. To obtain stems, the adapted Porter stemmer is used and creating a dictionary of the foundations of the Ukrainian language original method is applied, respectively. Taking into account the calculated indicators weights, the reliability of establishing the text authorship in the control sample reached 85-91%.