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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">mais</journal-id><journal-title-group><journal-title xml:lang="ru">Моделирование и анализ информационных систем</journal-title><trans-title-group xml:lang="en"><trans-title>Modeling and Analysis of Information Systems</trans-title></trans-title-group></journal-title-group><issn pub-type="ppub">1818-1015</issn><issn pub-type="epub">2313-5417</issn><publisher><publisher-name>Yaroslavl State University</publisher-name></publisher></journal-meta><article-meta><article-id pub-id-type="doi">10.18255/1818-1015-2013-4-23-40</article-id><article-id custom-type="elpub" pub-id-type="custom">mais-182</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>Оригинальные статьи</subject></subj-group><subj-group subj-group-type="section-heading" xml:lang="en"><subject>Articles</subject></subj-group></article-categories><title-group><article-title>О разрешимости бездефектности для сетей потоков работ с неограниченным ресурсом</article-title><trans-title-group xml:lang="en"><trans-title>On the Decidability of Soundness of Workflow Nets with an Unbounded Resource</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>Башкин</surname><given-names>Владимир Анатольевич</given-names></name><name name-style="western" xml:lang="en"><surname>Bashkin</surname><given-names>V. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>канд. физ.-мат. наук, доцент,</p><p>150000 Россия, г. Ярославль, ул. Советская, 14</p></bio><bio xml:lang="en"><p>канд. физ.-мат. наук, доцент,</p><p>Sovetskaya str., 14, Yaroslavl, 150000, Russia</p></bio><email xlink:type="simple">v_bashkin@mail.ru</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>Ломазова</surname><given-names>Ирина Александровна</given-names></name><name name-style="western" xml:lang="en"><surname>Lomazova</surname><given-names>I. A.</given-names></name></name-alternatives><bio xml:lang="ru"><p>д-р физ.-мат. наук, профессор,</p><p>101000 Россия, г. Москва, ул. Мясницкая, д. 20;</p><p>зав. международной научно-учебной лабораторией процессно-ориентированных информационных систем, гл. науч. сотр.,</p><p>152021 Россия, Ярославская обл., Переславский р-н, с. Веськово, ул. Петра I, д. 4 «а»</p></bio><bio xml:lang="en"><p>д-р физ.-мат. наук, профессор,</p><p>ul. Myasnitskaya, 20, Moskva, 101000 Russia;</p><p>зав. международной научно-учебной лабораторией процессно-ориентированных информационных систем, гл. науч. сотр.,</p><p>Pereslavl-Zalessky, Yaroslavl Region, 152020 Russia</p></bio><email xlink:type="simple">i_lomazova@mail.ru</email><xref ref-type="aff" rid="aff-2"/></contrib></contrib-group><aff-alternatives id="aff-1"><aff xml:lang="ru"><institution>Ярославский государственный университет им. П. Г. Демидова</institution><country>Россия</country></aff><aff xml:lang="en"><institution>P.G. Demidov Yaroslavl State 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”;&#13;
Институт программных систем РАН</institution><country>Россия</country></aff><aff xml:lang="en"><institution>National research university "Higher school of economics";&#13;
Program Systems Institute of RAS</institution><country>Russian Federation</country></aff></aff-alternatives><pub-date pub-type="collection"><year>2013</year></pub-date><pub-date pub-type="epub"><day>20</day><month>08</month><year>2013</year></pub-date><volume>20</volume><issue>4</issue><fpage>23</fpage><lpage>40</lpage><permissions><copyright-statement>Copyright &amp;#x00A9; Башкин В.А., Ломазова И.А., 2013</copyright-statement><copyright-year>2013</copyright-year><copyright-holder xml:lang="ru">Башкин В.А., Ломазова И.А.</copyright-holder><copyright-holder xml:lang="en">Bashkin V.A., Lomazova I.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://www.mais-journal.ru/jour/article/view/182">https://www.mais-journal.ru/jour/article/view/182</self-uri><abstract><p>Рассматривается моделирование схем потоков работ (workflow) при помощи сетей Петри. Определяется класс сетей потоков работ с ресурсами (RWF- сетей) — обычных workflow-сетей, в которых дополнительно добавлено множество ресурсных позиций, содержащих какую-то начальную разметку (начальный ресурс). Ресурсы могут уничтожаться и производиться при срабатываниях переходов. Мы не накладываем ограничений ни на промежуточные, ни на финальные ресурсные разметки, поэтому сеть может порождать бесконечное множество различных достижимых состояний. RWF-сеть с данной начальной ресурсной разметкой называется бездефектной, если, во-первых, она всегда корректно завершает свою работу, и, во- вторых, любое увеличение начального ресурса не нарушает свойства корректного завершения. Неразмеченная RWF-сеть бездефектна, если она бездефектна при некоторой начальной ресурсной разметке. В данной работе доказана разрешимость обоих вариантов бездефектности для важного подкласса RWF- сетей — сетей с одномерным ресурсом (одной ресурсной позицией). Также представлен алгоритм вычисления наименьшего бездефектного ресурса.</p></abstract><trans-abstract xml:lang="en"><p>In this work, we consider the modeling of workflow systems with Petri nets. A resource workflow net (RWF-net) is a workflow net supplied with an additional set of initially marked resource places. Resources can be consumed and/or produced by transitions. We constrain neither the intermediate nor final resource markings, hence a net can have an infinite number of different reachable states. An initially marked RWF-net is called sound if it properly terminates its work and, moreover, an increase of the initial resource does not violate its proper termination. An unmarked RWF-net is sound if it is sound for some initial resource. In this paper, we prove the decidability of both marked and unmarked soundness for a restricted class of RWF-nets with a single unbounded resource place (1-dim RWF-nets). We present an algorithm for computing the minimal sound resource for a given sound 1-dim RWF-net.</p></trans-abstract><kwd-group xml:lang="ru"><kwd>сети Петри</kwd><kwd>потоки работ</kwd><kwd>ресурс</kwd><kwd>бездефектность</kwd><kwd>верификация</kwd><kwd>моделирование</kwd></kwd-group><kwd-group xml:lang="en"><kwd>Petri nets</kwd><kwd>workflow</kwd><kwd>resource</kwd><kwd>soundness</kwd><kwd>verification</kwd><kwd>modeling</kwd></kwd-group><funding-group><funding-statement xml:lang="ru">РФФИ, Программа "Научные и научно-педагогические кадры инновационной России”</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">ван дер Аалст В., ван Хей К. Управление потоками работ: модели, методы и системы. М.: Научный мир, 2007. (English: van der Aalst W. M. P., van Hee K. M. Workflow Management: Models, Methods and Systems. 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