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<article article-type="research-article" dtd-version="1.3" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xml:lang="ru"><front><journal-meta><journal-id journal-id-type="publisher-id">mais</journal-id><journal-title-group><journal-title xml:lang="ru">Моделирование и анализ информационных систем</journal-title><trans-title-group xml:lang="en"><trans-title>Modeling and Analysis of Information Systems</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1818-1015</issn><issn pub-type="epub">2313-5417</issn><publisher><publisher-name>Yaroslavl State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18255/1818-1015-2024-4-362-383</article-id><article-id custom-type="elpub" pub-id-type="custom">mais-1895</article-id><article-categories><subj-group subj-group-type="heading"><subject>Research Article</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="ru"><subject>Artificial Intelligence</subject></subj-group></article-categories><title-group><article-title>Методы определения тональности по отношению к аспектам социально-экономического развития в предложениях на русском языке</article-title><trans-title-group xml:lang="en"><trans-title>Methods of sentiment detection towards aspect of economic and social development in Russian sentences</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-0116-4739</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Полетаев</surname><given-names>Анатолий Юрьевич</given-names></name><name name-style="western" xml:lang="en"><surname>Poletaev</surname><given-names>Anatoliy Y.</given-names></name></name-alternatives><email xlink:type="simple">anatoliy-poletaev@mail.ru</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3984-8423</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Парамонов</surname><given-names>Илья Вячеславович</given-names></name><name name-style="western" xml:lang="en"><surname>Paramonov</surname><given-names>Ilya V.</given-names></name></name-alternatives><email xlink:type="simple">ilya.paramonov@fruct.org</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6600-2971</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Бойчук</surname><given-names>Елена Игоревна</given-names></name><name name-style="western" xml:lang="en"><surname>Boychuk</surname><given-names>Elena I.</given-names></name></name-alternatives><email xlink:type="simple">elena-boychouk@rambler.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ярославский государственный университет им. П.Г. Демидова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>P.G. Demidov Yaroslavl State University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2024</year></pub-date><pub-date pub-type="epub"><day>13</day><month>12</month><year>2024</year></pub-date><volume>31</volume><issue>4</issue><fpage>362</fpage><lpage>383</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Полетаев А.Ю., Парамонов И.В., Бойчук Е.И., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Полетаев А.Ю., Парамонов И.В., Бойчук Е.И.</copyright-holder><copyright-holder xml:lang="en">Poletaev A.Y., Paramonov I.V., Boychuk E.I.</copyright-holder><license xml:lang="ru" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>Данная работа распространяется под лицензией Creative Commons Attribution 4.0.</license-p></license><license xml:lang="en" license-type="creative-commons-attribution" xlink:href="https://creativecommons.org/licenses/by/4.0/" xlink:type="simple"><license-p>This work is licensed under a Creative Commons Attribution 4.0 License.</license-p></license></permissions><self-uri xlink:href="https://www.mais-journal.ru/jour/article/view/1895">https://www.mais-journal.ru/jour/article/view/1895</self-uri><abstract><p>Статья посвящена задаче определения тональности по отношению к аспектам социально-экономического развития в предложениях на русском языке. Аспект, отношение к которому определяется, может как упоминаться явно, так и подразумеваться. Авторами были исследованы возможности применения нейросетевых классификаторов, а также предложен алгоритм определения тональности по отношению к аспекту, основанный на семантических правилах, реализованных с использованием деревьев синтаксических единиц. Тональность по отношению к аспекту определяется в два этапа. На первом этапе в предложении отыскиваются аспектные термины — явно упоминаемые события или явления, связанные с аспектом. На втором этапе тональность по отношению к аспекту определяется как тональность по отношению к аспектному термину, который теснее всего связан с аспектом. В работе предлагается несколько методов поиска аспектных терминов. Качество оценивалось на корпусе из 468 предложений, извлечённых из материалов предвыборной агитации. Лучший результат для нейросетевых классификаторов был получен с использованием нейронной сети BERT-SPC, предобученной на задаче определения тональности по отношению к явно упоминаемому аспекту, макро-F-мера составила 0.74. Лучший результат для алгоритма, основанного на семантических правилах, был получен при использовании метода поиска аспектных терминов на основе семантической схожести, макро-F-мера составила 0.63. При объединении BERT-SPC и алгоритма, основанного на правилах, в ансамбль была получена макро-F-мера, равная 0.79, что является лучшим результатом, полученным в рамках работы.</p></abstract><trans-abstract xml:lang="en"><p>The article is devoted to the task of the sentiment detection towards an aspect of economic and social development in Russian sentences. The aspect, the attitude to which is determined, can be either explicitly mentioned or implied. The authors investigated possibilities of using neural network classifiers and proposed an algorithm for determining the sentiment towards an aspect based on semantic rules implemented with the use of constituency trees. The sentiment towards an aspect is determined in two stages. At the first stage, aspect terms (explicitly mentioned events or phenomena associated with the aspect) are found in the sentence. At the second stage, the sentiment towards an aspect is calculated as the sentiment towards the aspect term that is most closely associated with the aspect. The paper proposes several methods for searching the aspect terms. The performance was assessed on a corpus of 468 sentences extracted from election campaign materials. The best result for neural network classifiers was obtained using the BERT-SPC neural network pretrained on the task of identifying the sentiment towards an explicitly mentioned aspect, the macro F-score was 0.74. The best result for the semantic rule-based algorithm was obtained using the method of aspect term searching based on semantic similarity, the macro-F-score was 0.63. When combining BERT-SPC and the rule-based algorithm into an ensemble, the macro-F-score was 0.79, which is the best result obtained in this work.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>анализ тональности</kwd><kwd>определение тональности</kwd><kwd>тональность по отношению к аспекту</kwd><kwd>неявно упоминаемые аспекты</kwd><kwd>семантические правила</kwd><kwd>публицистический стиль</kwd><kwd>дерево синтаксических единиц</kwd></kwd-group><kwd-group xml:lang="en"><kwd>sentiment analysis</kwd><kwd>sentiment detection</kwd><kwd>sentiment towards an aspect</kwd><kwd>implicit aspect</kwd><kwd>semantic rules</kwd><kwd>publicism</kwd><kwd>constituency tree</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Российский научный фонд (проект No 23-21-00495).</funding-statement><funding-statement xml:lang="en">Russian Science Foundation (Project no. 23-21-00495).</funding-statement></funding-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">B. 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