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<article article-type="research-article" dtd-version="1.2" xml:lang="ru" xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink"><front><journal-meta><journal-id journal-id-type="issn">2518-1092</journal-id><journal-title-group><journal-title>Research result. Information technologies</journal-title></journal-title-group><issn pub-type="epub">2518-1092</issn></journal-meta><article-meta><article-id pub-id-type="doi">10.18413/2518-1092-2023-8-4-0-8</article-id><article-id pub-id-type="publisher-id">3304</article-id><article-categories><subj-group subj-group-type="heading"><subject>ARTIFICIAL INTELLIGENCE AND DECISION MAKING</subject></subj-group></article-categories><title-group><article-title>&lt;strong&gt;SYSTEM-OBJECT CLASSIFICATION ANALYSIS&amp;nbsp;OF THE SUBJECT DOMAIN&lt;/strong&gt;
&lt;div&gt;&amp;nbsp;&lt;/div&gt;</article-title><trans-title-group xml:lang="en"><trans-title>&lt;strong&gt;SYSTEM-OBJECT CLASSIFICATION ANALYSIS&amp;nbsp;OF THE SUBJECT DOMAIN&lt;/strong&gt;
&lt;div&gt;&amp;nbsp;&lt;/div&gt;</trans-title></trans-title-group></title-group><contrib-group><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Matorin</surname><given-names>Sergey Igorevich</given-names></name><name xml:lang="en"><surname>Matorin</surname><given-names>Sergey Igorevich</given-names></name></name-alternatives><email>matorin@softconnect.ru</email></contrib><contrib contrib-type="author"><name-alternatives><name xml:lang="ru"><surname>Gul</surname><given-names>Svetlana Vladimirovna</given-names></name><name xml:lang="en"><surname>Gul</surname><given-names>Svetlana Vladimirovna</given-names></name></name-alternatives><email>medintseva@bsu.edu.ru</email></contrib></contrib-group><pub-date pub-type="epub"><year>2023</year></pub-date><volume>8</volume><issue>4</issue><fpage>0</fpage><lpage>0</lpage><self-uri content-type="pdf" xlink:href="/media/information/2023/4/ИТ_НР_8.4_8.pdf" /><abstract xml:lang="ru"><p>The article discusses the urgent task of improving the classification procedure in connection with its numerous shortcomings. To solve the problem, a systemic (system-object) approach to the procedure for preparing the initial material for constructing a classification of any subject area (SbA) was used. This procedure allows you to present the initial information in a systematized form, which ensures its effective use in the construction of conceptual classification models (CCM), and in particular in the construction of a three-dimensional system-object classification. The article describes in detail the stages of system-object classification analysis (SOCA) of any SbA: terminological, conceptual and classification itself; and also presents the SOKA algorithm. The results of using SOKA in constructing a three-dimensional classification are shown using the example of a system-object three-dimensional classification of the SbA &amp;ldquo;Functional Diagnostic Devices&amp;rdquo;.</p></abstract><trans-abstract xml:lang="en"><p>The article discusses the urgent task of improving the classification procedure in connection with its numerous shortcomings. To solve the problem, a systemic (system-object) approach to the procedure for preparing the initial material for constructing a classification of any subject area (SbA) was used. This procedure allows you to present the initial information in a systematized form, which ensures its effective use in the construction of conceptual classification models (CCM), and in particular in the construction of a three-dimensional system-object classification. The article describes in detail the stages of system-object classification analysis (SOCA) of any SbA: terminological, conceptual and classification itself; and also presents the SOKA algorithm. The results of using SOKA in constructing a three-dimensional classification are shown using the example of a system-object three-dimensional classification of the SbA &amp;ldquo;Functional Diagnostic Devices&amp;rdquo;.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>system-object approach</kwd><kwd>conceptual classification model</kwd><kwd>system-object classification analysis</kwd><kwd>three-dimensional classification</kwd></kwd-group><kwd-group xml:lang="en"><kwd>system-object approach</kwd><kwd>conceptual classification model</kwd><kwd>system-object classification analysis</kwd><kwd>three-dimensional classification</kwd></kwd-group></article-meta></front><back><ref-list><title>Список литературы</title><ref id="B1"><mixed-citation>1. Brekhovskikh S.M. 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