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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">mireabulletin</journal-id><journal-title-group><journal-title xml:lang="ru">Russian Technological Journal</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Technological Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">2782-3210</issn><issn pub-type="epub">2500-316X</issn><publisher><publisher-name>RTU MIREA</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.32362/2500-316X-2024-12-5-7-16</article-id><article-id custom-type="edn" pub-id-type="custom">CBEERK</article-id><article-id custom-type="elpub" pub-id-type="custom">mireabulletin-977</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>ИНФОРМАЦИОННЫЕ СИСТЕМЫ. ИНФОРМАТИКА. ПРОБЛЕМЫ ИНФОРМАЦИОННОЙ БЕЗОПАСНОСТИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>INFORMATION SYSTEMS. COMPUTER SCIENCES. ISSUES OF INFORMATION SECURITY</subject></subj-group></article-categories><title-group><article-title>Автоматизация поиска  юридической информации на арабском языке: подход к поиску документов</article-title><trans-title-group xml:lang="en"><trans-title>Automating the search  for legal information in Arabic: A novel approach to document retrieval</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0004-1791-1406</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Жафар</surname><given-names>К. С.</given-names></name><name name-style="western" xml:lang="en"><surname>Jafar</surname><given-names>K. S.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Жафар Камел С., аспирант, кафедра корпоративных информационных систем, Институт информационных технологий</p><p>Scopus Author ID 57552322300</p><p>119454, Москва, пр-т Вернадского, д. 78</p></bio><bio xml:lang="en"><p>Kamel S. Jafar, Postgraduate Student, Department of Corporate Information Systems, Institute of Information Technologies</p><p>Scopus Author ID 57552322300</p><p>78, Vernadskogo pr., Moscow, 119454 </p></bio><email xlink:type="simple">zhafar.k@edu.mirea.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/0009-0002-3533-568X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Мохаммад</surname><given-names>А. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Mohammad</surname><given-names>A. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Мохаммад Али А., магистрант, Факультет компьютерных наук</p><p>109028, Москва, Покровский бульвар, д. 11</p></bio><bio xml:lang="en"><p>Ali A. Mohammad, Master Student, Faculty of Computer Science</p><p>11, Pokrovsky bulv., Moscow, 109028 </p></bio><email xlink:type="simple">amokhammad_1@edu.hse.ru</email><xref ref-type="aff" rid="aff-2"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0001-3699-222X</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Исса</surname><given-names>А. Х.</given-names></name><name name-style="western" xml:lang="en"><surname>Issa</surname><given-names>A. H.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Исса Али Х., аспирант, кафедра автоматизированных систем управления биотехнологическими процессами</p><p>125080, Москва, Волоколамское шоссе, д. 11</p></bio><bio xml:lang="en"><p>Ali H. Issa, Postgraduate Student, Department of Automated Control Systems for Biotechnological Processes</p><p>11, Volokolamskoye sh., Moscow, 125080 </p></bio><email xlink:type="simple">amokhammad_1@edu.hse.ru</email><xref ref-type="aff" rid="aff-3"/></contrib><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0009-0003-0310-3638</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Панов</surname><given-names>А. В.</given-names></name><name name-style="western" xml:lang="en"><surname>Panov</surname><given-names>A. V.</given-names></name></name-alternatives><bio xml:lang="ru"><p>Панов Александр Владимирович, к.т.н. доцент, профессор кафедры корпоративных информационных систем, Институт информационных технологий</p><p>119454, Москва, пр-т Вернадского, д. 78</p></bio><bio xml:lang="en"><p>Alexander V. Panov, Cand. Sci. (Eng.), Associate Professor, Department of Corporate Information Systems, Institute of Information Technologies</p><p>78, Vernadskogo pr., Moscow, 119454 </p></bio><email xlink:type="simple">panov_a@mirea.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>МИРЭА – Российский технологический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>MIREA – Russian Technological University</institution><country>Russian Federation</country></aff></aff-alternatives><aff-alternatives id="aff-2"><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><aff-alternatives id="aff-3"><aff xml:lang="ru"><institution>РОСБИОТЕХ – Российский биотехнологический университет</institution><country>Россия</country></aff><aff xml:lang="en"><institution>Russian Biotechnological 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>04</day><month>10</month><year>2024</year></pub-date><volume>12</volume><issue>5</issue><fpage>7</fpage><lpage>16</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Жафар К.С., Мохаммад А.А., Исса А.Х., Панов А.В., 2024</copyright-statement><copyright-year>2024</copyright-year><copyright-holder xml:lang="ru">Жафар К.С., Мохаммад А.А., Исса А.Х., Панов А.В.</copyright-holder><copyright-holder xml:lang="en">Jafar K.S., Mohammad A.A., Issa A.H., Panov A.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.rtj-mirea.ru/jour/article/view/977">https://www.rtj-mirea.ru/jour/article/view/977</self-uri><abstract><sec><title>Цели</title><p>Цели. Поиск юридической информации, например, информации, связанной с различными юридическими вопросами, такими как наказание за преступления, является сложной задачей. Предлагаемый авторами подход может быть эффективным и действенным способом автоматизации поиска юридической информации без необходимости использования большого количества размеченных данных или значительных вычислительных ресурсов. Целью статьи является анализ возможности использования подхода к поиску документов в контексте юридических текстов на арабском языке, с применением методов обработки естественного языка и неконтролируемой кластеризации.</p></sec><sec><title>Методы</title><p>Методы. Использован подход Top2Vec – алгоритм моделирования темы, который создает вложения документов на основе семантического контекста, чтобы группировать юридические тексты на арабском языке в соответствующие темы. Использован алгоритм кластеризации на основе плотности для определения подтем внутри каждого кластера. Решаются проблемы работы с арабским юридическим текстом, такие как морфологическая сложность, двусмысленность и отсутствие стандартизированной терминологии. Предложен конвейер предварительной обработки, включающий в себя токенизацию, нормализацию, выделение корней и удаление стоп-слов.</p></sec><sec><title>Результаты</title><p>Результаты. Результаты оценки подхода с использованием набора данных юридических текстов на арабском языке, основанного на ключевых словах, показали его эффективность и превосходство с точки зрения точности и запоминаемости. Предлагаемый подход обеспечивает точность поиска – 87% и полноту поиска – 80%. Применение этого подхода может значительно улучшить поиск юридических документов, сделав его более быстрым и точным.</p></sec><sec><title>Выводы</title><p>Выводы. Предложенный подход может быть ценным инструментом для юристов и исследователей, которым необходимо ориентироваться в обширном и сложном ландшафте арабской юридической информации, повышая эффективность и точность ее поиска.</p></sec></abstract><trans-abstract xml:lang="en"><sec><title>Objectives</title><p>Objectives. The retrieval of legal information, including information related to issues such as punishment for crimes and felonies, represents a challenging task. The approach proposed in the article represents an efficient way to automate the retrieval of legal information without requiring a large amount of labeled data or consuming significant computational resources. The work set out to analyze the feasibility of a document retrieval approach in the context of Arabic legal texts using natural language processing and unsupervised clustering techniques.</p></sec><sec><title>Methods</title><p>Methods. The Topic-to-Vector (Top2Vec) topic modeling algorithm for generating document embeddings based on semantic context is used to cluster Arabic legal texts into relevant topics. We also used the HDBSCAN densitybased clustering algorithm to identify subtopics within each cluster. Challenges of working with Arabic legal text, such as morphological complexity, ambiguity, and a lack of standardized terminology, are addressed by means of a proposed preprocessing pipeline that includes tokenization, normalization, stemming, and stop-word removal.</p></sec><sec><title>Results</title><p>Results. The results of the evaluation of the approach using a dataset of legal texts in Arabic based on keywords demonstrated its superior effectiveness in terms of accuracy and memorability. The proposed approach provides 87% accuracy and 80% completeness. This circumstance can significantly improve the search for legal documents, making the process faster and more accurate.</p></sec><sec><title>Conclusions</title><p>Conclusions. Our findings suggest that this approach can be a valuable tool for legal professionals and researchers to navigate the complex landscape of Arabic legal information to improve efficiency and accuracy in legal information retrieval.</p></sec></trans-abstract><kwd-group xml:lang="ru"><kwd>поиск документов</kwd><kwd>обработка естественного языка</kwd><kwd>Тop2Vec</kwd><kwd>алгоритм кластеризации на основе плотности</kwd><kwd>арабские юридические документы</kwd><kwd>вложения слов</kwd><kwd>косинусное сходство</kwd></kwd-group><kwd-group xml:lang="en"><kwd>search for documents</kwd><kwd>NLP</kwd><kwd>Top2Vec</kwd><kwd>HDBSCAN</kwd><kwd>Arabic legal documents</kwd><kwd>word embeddings</kwd><kwd>cosine similarity</kwd></kwd-group></article-meta></front><back><ref-list><title>References</title><ref id="cit1"><label>1</label><citation-alternatives><mixed-citation xml:lang="ru">Sleimi A., Sannier N., Sabetzadeh M., Briand L., Dann J. 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