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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">neicon</journal-id><journal-title-group><journal-title xml:lang="ru">Наука и научная информация</journal-title><trans-title-group xml:lang="en"><trans-title>Scholarly Research and Information</trans-title></trans-title-group></journal-title-group><issn pub-type="epub">2658-3143</issn><publisher><publisher-name>NP «NEICON»</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.24108/2658-3143-2020-3-2-3-155-165</article-id><article-id custom-type="elpub" pub-id-type="custom">neicon-91</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>ИНФОРМАЦИОННОЕ ОБЕСПЕЧЕНИЕ И УПРАВЛЕНИЕ НАУЧНЫМИ ИССЛЕДОВАНИЯМИ</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>SCHOLARLY INFORMATION AND RESEARCH MANAGEMENT</subject></subj-group></article-categories><title-group><article-title>Многоликий DOI CrossRef: все ли функции мы используем?</article-title><trans-title-group xml:lang="en"><trans-title>Multifaceted CrossRef DOI: Do We Use All Functions?</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author" corresp="yes"><contrib-id contrib-id-type="orcid">https://orcid.org/0000-0002-9077-6288</contrib-id><name-alternatives><name name-style="eastern" xml:lang="ru"><surname>Литвинова</surname><given-names>Н. Н.</given-names></name><name name-style="western" xml:lang="en"><surname>Litvinova</surname><given-names>N. N.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. филол. наук, эксперт; главный библиотекарь </p><p>ул. Летниковская, 4, стр. 5, офис 2.4, г. Москва, 115114, Российская Федерация</p><p>ул. Воздвиженка, 3/5, г. Москва, 190019, Российская Федерация</p><p> </p></bio><bio xml:lang="en"><p>Cand. Sci. (Philol.), Expert; Chief Librarian</p><p>Letnikovskaya str., 4, bldg 5, off. 2.4, Moscow, 115114, Russia</p><p>Vozdvizhenka str., 3/5, Moscow, 190019, Russia</p></bio><email xlink:type="simple">Nlit@neicon.ru</email><xref ref-type="aff" rid="aff-1"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru">Некоммерческое партнерство «Национальный электронно-информационный консорциум» (НЭИКОН);&#13;
Российская государственная библиотека<country>Россия</country></aff><aff xml:lang="en">Non-profit Partnership “National Electronic Information Consortium” (NEICON);&#13;
Russian State Library<country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2020</year></pub-date><pub-date pub-type="epub"><day>10</day><month>09</month><year>2020</year></pub-date><volume>3</volume><issue>2-3</issue><fpage>155</fpage><lpage>165</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Литвинова Н.Н., 2020</copyright-statement><copyright-year>2020</copyright-year><copyright-holder xml:lang="ru">Литвинова Н.Н.</copyright-holder><copyright-holder xml:lang="en">Litvinova N.N.</copyright-holder><license 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://05x01x01x01x02.ejs-01.elpub.dev/jour/article/view/91">https://05x01x01x01x02.ejs-01.elpub.dev/jour/article/view/91</self-uri><abstract><p>В статье рассматриваются новые функции цифровых идентификаторов объектов — Digital Object Identifiers (DOI), регистрируемых международным агентством CrossRef. Эти функции развиваются на основе более чем  стомиллионной базы идентификаторов с развитым набором метаданных. Показано, какую роль играет база  DOI CrossRef в отслеживании событий упоминания публикаций помимо цитирования в списках литературы и  в вычислении показателей альтметрик. Проанализировано значение DOI CrossRef в определении статуса свободного доступа к публикациям с помощью сервиса Unpaywall. Выделяется несколько типовых проблем  российских публикаций, которые препятствуют корректному определению статуса свободного доступа:  отсутствие DOI, пробелы в представлении метаданных в CrossRef и на веб-страницах публикаций, ошибки при регистрации DOI.</p></abstract><trans-abstract xml:lang="en"><p>The article deals with some new functions of DOI CrossRef system. Based on current database of more than 100 million of records containing DOIs and advanced sets of metadata new important functions of DOIs emerged. DOI is now widely used for discovery and accounting of publications’ mentions on the Internet by altmetric services and  CrossRef DOI Event Data. DOI CrossRef is also served as a basis for Unpaywall sevice which defines open access status of publications. Analyzed are typical problems of Russian publications preventing correct discovery of open access evidence by Unpaywall: missing DOIs, incomplete metadata registered with CrossRef and on publications web pages on the Internet, mistakes in DOIs. </p></trans-abstract><kwd-group xml:lang="ru"><kwd>DOI</kwd><kwd>CrossRef</kwd><kwd>цифровой идентификатор объекта</kwd><kwd>списки литературы</kwd><kwd>ссылки</kwd><kwd>упоминания публикаций в Интернете</kwd><kwd>альтметрики</kwd><kwd>свободный доступ</kwd><kwd>Unpaywall</kwd></kwd-group><kwd-group xml:lang="en"><kwd>DOI</kwd><kwd>CrossRef</kwd><kwd>digital object identifier</kwd><kwd>reference lists</kwd><kwd>links</kwd><kwd>mentions</kwd><kwd>altmetrics</kwd><kwd>open access</kwd><kwd>Unpaywall</kwd></kwd-group><funding-group xml:lang="ru"><funding-statement>автор благодарит Ричарда Орра (Our Research, Unpaywall) за предоставленные разъяснения о работе Unpaywall и Д.В. Косякова (ГПНТБ СО РАН) за содержательные комментарии и дополнения к тексту рукописи.</funding-statement></funding-group><funding-group xml:lang="en"><funding-statement>the author thanks Richard Orr (Our Research, Unpaywall) for his support in explaining details of Unpaywall analysis and Denis Kosiakov (SPSTL SB RAS) for his comments and suggestions on the manuscript.</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">The Formation of CrossRef: a short history. URL: https://www.crossref.org/pdfs/CrossRef10Years.pdf (дата обращения: 05.08.2020).</mixed-citation><mixed-citation xml:lang="en">The Formation of CrossRef: a short history. 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