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<article 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" xmlns:ali="http://www.niso.org/schemas/ali/1.0/" article-type="research-article" dtd-version="1.2" xml:lang="en"><front><journal-meta><journal-id journal-id-type="publisher-id">Informacionnye Tehnologii</journal-id><journal-title-group><journal-title xml:lang="en">Informacionnye Tehnologii</journal-title><trans-title-group xml:lang="ru"><trans-title>Информационные технологии</trans-title></trans-title-group></journal-title-group><issn publication-format="print">1684-6400</issn><publisher><publisher-name xml:lang="en">New Technologies Publishing House</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="publisher-id">705343</article-id><article-id pub-id-type="doi">10.17587/it.32.395-403</article-id><article-categories><subj-group subj-group-type="toc-heading" xml:lang="en"><subject>Modeling and optimization</subject></subj-group><subj-group subj-group-type="toc-heading" xml:lang="ru"><subject>Моделирование и оптимизация</subject></subj-group><subj-group subj-group-type="article-type"><subject>Research Article</subject></subj-group></article-categories><title-group><article-title xml:lang="en">Modified decision support model for emergency evacuation in fuzzy conditions</article-title><trans-title-group xml:lang="ru"><trans-title>Модифицированная модель поддержки принятия решений для экстренной эвакуации в нечетких условиях</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kravchenko</surname><given-names>Y. A.</given-names></name><name xml:lang="ru"><surname>Кравченко</surname><given-names>Ю. А.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. of Tech. Sc., Professor</p></bio><bio xml:lang="ru"><p>д-р техн. наук, проф.</p></bio><email>yakravchenko@sfedu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kureichik</surname><given-names>V. V.</given-names></name><name xml:lang="ru"><surname>Курейчик</surname><given-names>В. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Dr. of Tech. Sc., Professor</p></bio><bio xml:lang="ru"><p>д-р техн. наук, проф.</p></bio><email>vkur@sfedu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Kuliev</surname><given-names>E. V.</given-names></name><name xml:lang="ru"><surname>Кулиев</surname><given-names>Э. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. of Tech. Sc., Associate Professor</p></bio><bio xml:lang="ru"><p>канд. техн. наук, доц.</p></bio><email>elmar_2005@mail.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Zaruba</surname><given-names>D. V.</given-names></name><name xml:lang="ru"><surname>Заруба</surname><given-names>Д. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Cand. of Tech. Sc., Associate Professor</p></bio><bio xml:lang="ru"><p>канд. техн. наук, доц.</p></bio><email>dvzaruba@sfedu.ru</email><xref ref-type="aff" rid="aff1"/></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="en"><surname>Ignatieva</surname><given-names>S. V.</given-names></name><name xml:lang="ru"><surname>Игнатьева</surname><given-names>С. В.</given-names></name></name-alternatives><address><country country="RU">Russian Federation</country></address><bio xml:lang="en"><p>Master’s Student</p></bio><bio xml:lang="ru"><p>магистрант</p></bio><email>signateva@sfedu.ru</email><xref ref-type="aff" rid="aff1"/></contrib></contrib-group><aff-alternatives id="aff1"><aff><institution xml:lang="en">Southern Federal University</institution></aff><aff><institution xml:lang="ru">Южный Федеральный университет</institution></aff></aff-alternatives><pub-date date-type="pub" iso-8601-date="2026-08-21" publication-format="electronic"><day>21</day><month>08</month><year>2026</year></pub-date><volume>32</volume><issue>8</issue><issue-title xml:lang="en"/><issue-title xml:lang="ru"/><fpage>395</fpage><lpage>403</lpage><history><date date-type="received" iso-8601-date="2026-04-02"><day>02</day><month>04</month><year>2026</year></date><date date-type="accepted" iso-8601-date="2026-04-02"><day>02</day><month>04</month><year>2026</year></date></history><permissions><copyright-statement xml:lang="en">Copyright ©; 2026, Informacionnye Tehnologii</copyright-statement><copyright-statement xml:lang="ru">Copyright ©; 2026, Информационные технологии</copyright-statement><copyright-year>2026</copyright-year><copyright-holder xml:lang="en">Informacionnye Tehnologii</copyright-holder><copyright-holder xml:lang="ru">Информационные технологии</copyright-holder></permissions><self-uri xlink:href="https://journals.eco-vector.com/1684-6400/article/view/705343">https://journals.eco-vector.com/1684-6400/article/view/705343</self-uri><abstract xml:lang="en"><p>A modified decision support model for emergency evacuation under fuzzy conditions has been developed based on a Gaussian mixture model. This model enables the formation of clusters of evacuees based on their spatial location, behavioral characteristics, and other factors relevant to the evacuation process. An algorithm for the Gaussian mixture model for evacuation under fuzzy conditions is described. А series of simulation experiments was conducted.</p></abstract><trans-abstract xml:lang="ru"><p>Разработана модифицированная модель поддержки принятия решений для экстренной эвакуации в нечетких условиях на основе модели гауссовой смеси, позволяющая формировать кластеры из эвакуируемых людей на основе пространственного положения, поведенческих характеристик и иных факторов, имеющих значение при организации эвакуационного процесса. Описан алгоритм для модели гауссовой смеси при эвакуации с нечеткими условиями. Проведена серия имитационных экспериментов.</p></trans-abstract><kwd-group xml:lang="en"><kwd>evacuation</kwd><kwd>emergency</kwd><kwd>fuzzy conditions</kwd><kwd>decision making</kwd><kwd>imprecision</kwd><kwd>Gaussian mixture</kwd></kwd-group><kwd-group xml:lang="ru"><kwd>эвакуация</kwd><kwd>чрезвычайная ситуация</kwd><kwd>нечеткие условия</kwd><kwd>принятие решений</kwd><kwd>неточность</kwd><kwd>гауссова смесь</kwd></kwd-group><funding-group><award-group><funding-source><institution-wrap><institution xml:lang="ru">Российский научный фонд</institution></institution-wrap><institution-wrap><institution xml:lang="en">Russian Science Foundation</institution></institution-wrap></funding-source><award-id>22-71-10121-П</award-id></award-group><funding-statement xml:lang="en">The research was funded by the Russian Science Foundation, project No. 22-71-10121-П, https://rscf.ru/project/22-71-10121-П/ implemented by the Southern Federal University.</funding-statement><funding-statement xml:lang="ru">Исследование выполнено за счет гранта Российского научного фонда № 22-71-10121-П, https://rscf.ru/project/22-71-10121-П/ в Южном федеральном университете.</funding-statement></funding-group></article-meta></front><body></body><back><ref-list><ref id="B1"><label>1.</label><citation-alternatives><mixed-citation xml:lang="en">Chen G., Zhang X. 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