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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">kaz29</journal-id><journal-title-group><journal-title xml:lang="ru">Вестник Казахстанско-Британского технического университета</journal-title><trans-title-group xml:lang="en"><trans-title>Herald of the Kazakh-British Technical University</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1998-6688</issn><issn pub-type="epub">2959-8109</issn><publisher><publisher-name>Казахстанско-Британский Технический Университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.55452/1998-6688-2025-22-1-36-43</article-id><article-id custom-type="elpub" pub-id-type="custom">kaz29-1728</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>КОМПЬЮТЕРНЫЕ НАУКИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>COMPUTER SCIENCE</subject></subj-group></article-categories><title-group><article-title>ПРИМЕНЕНИЕ МЕТРИКИ BLEU И SARI В ОЦЕНКЕ УПРОЩЕННЫХ ТЕКСТОВ НА КАЗАХСКОМ ЯЗЫКЕ: АНАЛИЗ И ЭФФЕКТИВНОСТЬ</article-title><trans-title-group xml:lang="en"><trans-title>APPLICATION OF BLEU AND SARI METRICS IN EVALUATING SIMPLIFIED TEXTS IN KAZAKH: ANALYSIS AND EFFECTIVENESS</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0005-7104-4646</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Нұрсапа</surname><given-names>С. Т.</given-names></name><name name-style="western" xml:lang="en"><surname>Nursapa</surname><given-names>S. T.</given-names></name></name-alternatives><bio xml:lang="ru"><p> магистрант</p><p> г. Алматы  </p></bio><bio xml:lang="en"><p> Master’s student </p><p> Almaty </p></bio><email xlink:type="simple">samal200174@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0003-3853-8896</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Уалиева</surname><given-names>И. М.</given-names></name><name name-style="western" xml:lang="en"><surname>Ualiyeva</surname><given-names>I. M.</given-names></name></name-alternatives><bio xml:lang="ru"><p> к.ф.-м.н., ассоциированный профессор </p><p> г. Алматы </p></bio><bio xml:lang="en"><p> Cand. Phys.-Math. Sc., Associate Professor </p><p> Almaty </p></bio><email xlink:type="simple">ualiyeva.irina@kaznu.kz</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Казахский национальный университет им. аль-Фараби<country>Казахстан</country></aff><aff xml:lang="en">Al-Farabi Kazakh National University<country>Kazakhstan</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2025</year></pub-date><pub-date pub-type="epub"><day>22</day><month>03</month><year>2025</year></pub-date><volume>22</volume><issue>1</issue><fpage>36</fpage><lpage>43</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Нұрсапа С.Т., Уалиева И.М., 2025</copyright-statement><copyright-year>2025</copyright-year><copyright-holder xml:lang="ru">Нұрсапа С.Т., Уалиева И.М.</copyright-holder><copyright-holder xml:lang="en">Nursapa S.T., Ualiyeva I.M.</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://vestnik.kbtu.edu.kz/jour/article/view/1728">https://vestnik.kbtu.edu.kz/jour/article/view/1728</self-uri><abstract><p>В данной статье рассматривается методика оценки качества упрощенных текстов на казахском языке с использованием метрик BLEU и SARI. Упрощение текстов является важным аспектом для обеспечения доступности информации и облегчения процесса обучения на казахском языке. Метрика BLEU, основанная на сравнении n-грамм перевода и эталона, широко используется для оценки качества машинного перевода, но не учитывает контекст входного текста. Метрика SARI, специально разработанная для оценки упрощения текста, учитывает изменения в семантике и демонстрирует более высокую корреляцию с оценками человека. В рамках исследования были применены алгоритмы замены сложных слов простыми синонимами и алгоритмы замены или удаления сложных фраз. Результаты анализа показали, что метрика SARI более чувствительна к изменениям, внесенным в упрощенные тексты, по сравнению с BLEU. Таким образом, комбинированное использование метрик BLEU и SARI обеспечивает всестороннюю и точную оценку качества упрощенных текстов на казахском языке.</p></abstract><trans-abstract xml:lang="en"><p>This article explores the methodology for evaluating the quality of simplified texts in Kazakh using BLEU and SARI metrics. Text simplification is an important aspect for ensuring information accessibility and facilitating the learning process in Kazakh language. The BLEU metric, based on comparing n-grams of translation and reference, is widely used for evaluating the quality of machine translation, but it does not take the context of the input text into account. The SARI metric, specifically designed for evaluating text simplification, considers semantic changes and shows a higher correlation with human judgments. In this study, algorithms for replacing complex words with simple synonyms and for replacing or removing complex phrases were applied. The analysis results showed that the SARI metric is more sensitive to the changes made in simplified texts compared to BLEU. Therefore, the combined use of BLEU and SARI metrics provides a comprehensive and accurate evaluation of the quality of simplified texts in Kazakh.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>упрощение текстов</kwd><kwd>казахский язык</kwd><kwd>метрики оценки</kwd><kwd>BLEU</kwd><kwd>SARI</kwd><kwd>качество текстов</kwd><kwd>машинный перевод</kwd><kwd>автоматическое упрощение текста</kwd><kwd>алгоритмы упрощения</kwd></kwd-group><kwd-group xml:lang="en"><kwd>text simplification</kwd><kwd>Kazakh language</kwd><kwd>evaluation metrics</kwd><kwd>BLEU</kwd><kwd>SARI</kwd><kwd>text quality</kwd><kwd>machine translation</kwd><kwd>automatic text simplification</kwd><kwd>simplification algorithms</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>Работа проводится в рамках ГФ AP19680575 «Машинное обучение для полуавтоматического формирования/генерации образовательного контента».</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">Jiang, Chao, Mounica Maddela, Wuwei Lan, Yang Zhong, Wei Xu. 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