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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">politscience</journal-id><journal-title-group><journal-title xml:lang="ru">Политическая наука</journal-title><trans-title-group xml:lang="en"><trans-title>Political science</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-1775</issn><publisher><publisher-name>ИНИОН РАН</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.31249/poln/2025.01.10</article-id><article-id custom-type="elpub" pub-id-type="custom">politscience-1138</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>ПЕРВАЯ СТЕПЕНЬ</subject></subj-group></article-categories><title-group><article-title>Сквозь призму Bert: тематическое моделирование трансформации коллективных идентичностей участников движения Black Lives Matter под влиянием контрпротеста</article-title><trans-title-group xml:lang="en"><trans-title>BERT in focus: topic modeling the transformation of collective identities of the participants of the Black Lives Matter movement in response to the counter-protest</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0001-6588-6752</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Конча</surname><given-names>В.</given-names></name><name name-style="western" xml:lang="en"><surname>Koncha</surname><given-names>V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Конча Валерия, аспирант, преподаватель Департамента политики и управления, младший научный сотрудник Международного центра изучения институтов и развития</p><p>Москва</p></bio><bio xml:lang="en"><p>Koncha Valeriya </p><p>Moscow</p></bio><email xlink:type="simple">vkoncha@hse.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Национальный исследовательский университет "Высшая школа экономики"</institution><country>Россия</country></aff><aff xml:lang="en"><institution>HSE University</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>28</day><month>01</month><year>2025</year></pub-date><volume>0</volume><issue>1</issue><issue-title>Политическое моделирование и прогнозирование</issue-title><fpage>219</fpage><lpage>239</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Конча В., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Конча В.</copyright-holder><copyright-holder xml:lang="en">Koncha V.</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.politnauka.ru/jour/article/view/1138">https://www.politnauka.ru/jour/article/view/1138</self-uri><abstract><p>Контрпротесты стали распространенным ответом на протестные движения по всему миру. Понимание этого процесса часто основывается на коллективных идентичностях, которые определяются в противовес аутгруппе – будь то власти или конкурирующим политическим силам. В контексте движения Black Lives Matter (BLM) первоначальный образ «другого» в основном приписывался властям. Однако появление контрпротестного движения All Lives Matter (ALM) усложнило эту картину – теперь образ «другого» приписывается также и участникам контрпротестного движения, внося новый слой сложности в динамику идентичностей и порождая вопросы о том, как эти идентичности трансформируются при столкновении с контрпротестом. Применяя новый подход в тематическом моделировании BERT, автор анализирует тематические сдвиги в постах участников протестного движения BLM в период с 2013 по 2014 г. в социальной сети Twitter (X). Применение тематического моделирования с помощью BERT (Bidirectional Encoder Representations from Transformers) позволило провести детальный анализ онлайн-сообщений, улавливая контекстные зависимости и раскрывая сложности трансформации коллективной идентичности в ответ на внешний вызов – появление контрпротестного движения ALM. Настоящее исследование заполняет две важные лакуны в литературе. Во-первых, оно предлагает методологическое улучшение, внедряя BERT для анализа динамической трансформации тем, что является шагом вперед по сравнению с доминирующим использованием LDA (Latent Dirichlet allocation), который не улавливает контекстуальных нюансов. Во-вторых, оно решает содержательную задачу: исследует, как изменяются коллективные идентичности участников протестного движения BLM под влиянием контрпротестов, что является пробелом в исследовательской литературе. BERT-тематическое моделирование показало себя как мощный инструмент для изучения трансформации коллективных идентичностей, предлагая перспективную методологическую основу для дальнейших исследований на пересечении проблематик протеста, контрпротеста и коллективных идентичностей в цифровую эпоху.</p></abstract><trans-abstract xml:lang="en"><p>Counter-protests have become a common response to protest movements around the world. Understanding this process is often based on collective identities formed in opposition to an out-group. In the context of the Black Lives Matter (BLM) movement, the initial image of the “other” was mainly attributed to the authorities. However, the emergence of the All Lives Matter (ALM) counter-protest movement has changed the way how collective identities are constructed – now the image of the “other” is also attributed to participants in the counter-protest movement, introducing a new layer of complexity into the dynamics of identities and raising questions about how these identities are transformed when faced with counter-protest. Applying a new approach in BERT topic modeling, the author analyzes thematic shifts in the posts of BLM protesters between 2013 and 2014 on the social network Twitter (X). The application of the BERT topic modeling model allowed to conduct a detailed analysis of online messages, capturing contextual dependencies and revealing the complexities of the transformation of collective identity in response to the emergence of the ALM counter-protest movement. The study contributes to the existing literature by filling two gaps: demonstrating the methodological advantage of using BERT on empirics and exploring how the collective identities of protest movement participants are transformed in the context of protest and counter-protest dynamics. BERT topic modeling is a powerful tool for studying the transformation of collective identities, offering a promising methodological basis for further research at the intersection of protest, counter-protest, and collective identities in the digital age.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>BlackLivesMatter</kwd><kwd>AllLivesMatter</kwd><kwd>коллективная идентичность</kwd><kwd>модель BERT</kwd><kwd>протест</kwd><kwd>контрпротест</kwd><kwd>онлайн-сообщения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>BlackLivesMatter</kwd><kwd>AllLivesMatter</kwd><kwd>collective identity</kwd><kwd>BERT model</kwd><kwd>protest</kwd><kwd>counter-protest</kwd><kwd>online messages</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">Статья подготовлена в результате проведения исследования в рамках Программы фундаментальных исследований Национального исследовательского университета «Высшая школа экономики» (НИУ ВШЭ)</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">Гулевич О. 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