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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">ellibs</journal-id><journal-title-group><journal-title xml:lang="ru">Электронные библиотеки</journal-title><trans-title-group xml:lang="en"><trans-title>Russian Digital Libraries Journal</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">1562-5419</issn><publisher><publisher-name>Казанский (Приволжский) федеральный университет</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.26907/1562-5419-2023-26-2-203-224</article-id><article-id custom-type="elpub" pub-id-type="custom">ellibs-371</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>Статьи</subject></subj-group></article-categories><title-group><article-title>Семантический рекомендательный сервис присвоения кода УДК математическим статьям</article-title><trans-title-group xml:lang="en"><trans-title>Semantic Recommendation Service for Assigning UDC Code to Mathematical Articles</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Невзорова</surname><given-names>О. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Nevzorova</surname><given-names>O. A.</given-names></name></name-alternatives><email xlink:type="simple">onevzoro@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib><contrib contrib-type="author" corresp="yes"><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Альмухаметов</surname><given-names>Д. А.</given-names></name><name name-style="western" xml:lang="en"><surname>Almukhametov</surname><given-names>D. A.</given-names></name></name-alternatives><email xlink:type="simple">dnlanik@gmail.com</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Казанский (Приволжский) Федеральный университет</institution></aff><aff xml:lang="en"><institution>Kazan (Volga region) Federal University</institution></aff></aff-alternatives><pub-date pub-type="collection"><year>2023</year></pub-date><pub-date pub-type="epub"><day>28</day><month>04</month><year>2023</year></pub-date><volume>26</volume><issue>2</issue><elocation-id>203–224</elocation-id><permissions><copyright-statement>Copyright &amp;#x00A9; Невзорова О.А., Альмухаметов Д.А., 2023</copyright-statement><copyright-year>2023</copyright-year><copyright-holder xml:lang="ru">Невзорова О.А., Альмухаметов Д.А.</copyright-holder><copyright-holder xml:lang="en">Nevzorova O.A., Almukhametov D.A.</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://ellibs.elpub.ru/jour/article/view/371">https://ellibs.elpub.ru/jour/article/view/371</self-uri><abstract><p>Классификация документов с присвоением кодов-классификаторов является традиционным способом систематизации и поиска документов по определенной тематике. Универсальная десятичная классификация (УДК) лежит в основе систематизации знаний, представленных в библиотеках, базах данных и других хранилищах информации. В России УДК является обязательным реквизитом всей книжной продукции и информации по естественным и техническим наукам. Выбор классификационных кодов связан с анализом структуры дерева классификатора и традиционно выполняется автором научной статьи.
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В настоящей работе предложено решение задачи автоматизации подбора классификационного кода УДК для математической статьи на основе специального ресурса – онтологии OntoMathPRO профессиональной математики, разработанной в Казанском федеральном университете. Подходом к решению задачи автоматизации является создание «кодовых карт» для каждого классифицирующего кода в дереве УДК в области математики. Под «кодовой картой» понимается взвешенный набор всех математических именованных сущностей, извлеченных с помощью онтологии OntoMathPRO из коллекции статей с заданным кодом УДК. Создание «кодовых карт» основано на гипотезе о том, что выбор кода УДК обуславливается определённым набором классифицирующих признаков, которые можно представить классами из онтологии OntoMathPRO. Предложенная гипотеза проверена и подтверждена: проверка гипотезы проведена на коллекции математических статей, опубликованных в журнале «Известия ВУЗов. Математика» в течение 1999–2009 гг.
</p></abstract><trans-abstract xml:lang="en"><p>Classification of documents with the assignment of classifier codes is a traditional way of systematizing and searching for documents on a specific topic. The Universal Decimal Classification (UDC) underlies the systematization of knowledge presented in libraries, databases and other information repositories. In Russia, UDC is an obligatory attribute of all book production and information on natural and technical sciences. The choice of classification codes is associated with the analysis of the structure of the classifier tree and is traditionally decided by the author of a scientific article. This article proposes a solution for automating the assigning the UDC classification code for a mathematical article based on a special resource – the OntoMathPRO ontology for professional mathematics, developed at Kazan Federal University. An approach to solving the problem is to create "code maps" for each classifying code in the UDC tree in the field of mathematics. Under the "code map" is meant a weighted set of all extracted, with the help of OntoMathPRO ontology, mathematical named entities from the collection of articles with a given UDC code. The creation of "code maps" is based on the hypothesis that the choice of the UDC code is determined by a certain set of classifying features that can be represented by classes from the OntoMathPRO ontology. The proposed hypothesis was tested and confirmed in the paper. The hypothesis was tested on a collection of mathematical articles An approach to solving the problem is to create "code maps" for each classifying code in the UDC tree in the field of mathematics. Under the "code map" is meant a weighted set of all extracted, with the help of OntoMathPRO ontology, mathematical named entities from the collection of articles with a given UDC code. The creation of "code maps" is based on the hypothesis that the choice of the UDC code is determined by a certain set of classifying features that can be represented by classes from the OntoMathPRO ontology. The proposed hypothesis was tested and confirmed in the paper.  The hypothesis was tested on a collection of mathematical articles published during 1999-2009 in the "Izvestiya VUZov. Mathematics" journal. 
</p></trans-abstract><kwd-group xml:lang="ru"><kwd>Универсальная десятичная классификация</kwd><kwd>кодовая карт</kwd><kwd>кодовая карта</kwd><kwd>онтология OntoMathPRO</kwd><kwd>математическая статья</kwd></kwd-group><kwd-group xml:lang="en"><kwd>the Universal Decimal Classification</kwd><kwd>code map</kwd><kwd>code map</kwd><kwd>the OntoMathPRO ontology</kwd><kwd>mathematical article</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">Lu J., Wu D., Mao M., Wang W., Zhang G. Recommender system application developments: A survey // Decision Support Systems. 2015. V. 74. P. 12–32.</mixed-citation><mixed-citation xml:lang="en">Lu J., Wu D., Mao M., Wang W., Zhang G. Recommender system application developments: A survey // Decision Support Systems. 2015. V. 74. 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