<?xml version="1.0" encoding="ISO-8859-1"?><article 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">
<front>
<journal-meta>
<journal-id>2227-1899</journal-id>
<journal-title><![CDATA[Revista Cubana de Ciencias Informáticas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev cuba cienc informat]]></abbrev-journal-title>
<issn>2227-1899</issn>
<publisher>
<publisher-name><![CDATA[Editorial Ediciones Futuro]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2227-18992019000100045</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Método para determinar comunidades de desarrollo y actores más influyentes en repositorios de sistemas operativos libres.]]></article-title>
<article-title xml:lang="en"><![CDATA[Method to determining development communities and most influential actors in free software repositories.]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Román Donates]]></surname>
<given-names><![CDATA[Jorge Alejandro]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Milián Núñez]]></surname>
<given-names><![CDATA[Vladimir]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Ril Valentín]]></surname>
<given-names><![CDATA[Eliana Bárbara]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Batista Tellez]]></surname>
<given-names><![CDATA[Raynel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de las Ciencias Informáticas Departamento de Programación Facultad 2 ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universidad de las Ciencias Informáticas. Departamento de Ciencias Básicas Facultad 2 ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,Universidad de las Ciencias Informáticas  ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Universidad de las Ciencias Informáticas. Dirección de Ciencia, Tecnología e Innovación ]]></institution>
<addr-line><![CDATA[ La Habana]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>03</month>
<year>2019</year>
</pub-date>
<volume>13</volume>
<numero>1</numero>
<fpage>45</fpage>
<lpage>60</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2227-18992019000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2227-18992019000100045&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2227-18992019000100045&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN Las comunidades de software libre consisten en grupos de usuarios o desarrolladores experimentados que contribuyen a la mejora del sistema operativo, su contribución puede verse de forma práctica en los repositorios de paquetes. El estudio de las interacciones que establecen los desarrolladores de estos paquetes a partir de intereses comunes, contribuye a identificar sus comunidades, promueve la colaboración entre equipos de desarrollo, ayuda a determinar los desarrollos críticos y actores más influyentes. El objetivo de esta investigación es desarrollar un método para determinar comunidades de desarrolladores y actores más influyentes en repositorios de sistemas operativos libres para fortalecer la colaboración entre equipos de desarrollo. En la investigación se realizó un estudio sobre conceptos asociados a la teoría de grafos, análisis de redes colaborativas, detección de comunidades y medidas de centralidad. Además, se describió el procedimiento que sigue el método presentado y se realizaron pruebas en aras de verificar la calidad de la solución. Como resultado final se obtuvo un método que facilitó la búsqueda de paquetes en repositorios de sistemas operativos libres, la extracción de los ficheros de control de cambios de cada uno de estos, la extracción de los nombres de paquetes y sus desarrolladores, así como la creación de una red colaborativa a partir de la relación entre desarrolladores y otra red con la relación paquete - desarrollador. El trabajo con Gephi permitió a su vez visualizar las redes colaborativas y detectar las comunidades y actores más influyentes.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT Communities consist of groups of experienced users or developers who contribute to the improvement of the operating system, the contribution of communities can be seen in a practical way in the package repositories. The study of the interactions that the developers of these packages establish based on common interests, helps to identify their communities, promotes collaboration between development teams, and helps to determine the critical developments, leaders, experts or most influential actors. The aim of this research is to develop a method for determining communities of developers and more influential actors in free software repositories. A study was carried out on concepts associated with graph theory, collaborative network analysis, algorithms for community detection and centrality measurements. In addition, the implementation process of the presented method was described and different tests were carried out in order to verify the quality of the solution. The final result was a method that facilitated the search for packages in free software repositories and the extraction of change control files from each of these. The method implemented facilitated the extraction of the names of packages and their developers. Gephi Toolkit allowed visualize the detected collaborative networks and distinguish the most influential communities and actors, allowing to strength the collaboration between development teams.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[análisis de redes colaborativas]]></kwd>
<kwd lng="es"><![CDATA[comunidades]]></kwd>
<kwd lng="es"><![CDATA[detección de comunidades]]></kwd>
<kwd lng="es"><![CDATA[medidas de centralidad]]></kwd>
<kwd lng="es"><![CDATA[repositorios de sistemas operativos libres]]></kwd>
<kwd lng="en"><![CDATA[collaborative network analysis]]></kwd>
<kwd lng="en"><![CDATA[communities]]></kwd>
<kwd lng="en"><![CDATA[community detection]]></kwd>
<kwd lng="en"><![CDATA[centrality measures]]></kwd>
<kwd lng="en"><![CDATA[free software repositories]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Aguirre]]></surname>
<given-names><![CDATA[J. L]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Actores, relaciones y estructuras: introducción al análisis de redes sociales]]></article-title>
<source><![CDATA[Hologramática]]></source>
<year>2014</year>
<volume>20</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>161-87</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Analytics]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Anaconda scientific python distribution]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Beazley]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Jones]]></surname>
<given-names><![CDATA[B. K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Python Cookbook: Recipes for Mastering Python 3.]]></source>
<year>2013</year>
<publisher-name><![CDATA[O&#8217;Reilly Media, Inc.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Carolan]]></surname>
<given-names><![CDATA[B. V]]></given-names>
</name>
</person-group>
<source><![CDATA[S]]></source>
<year>2013</year>
<publisher-name><![CDATA[Sage Publications]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cherven]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mastering Gephi network visualization.]]></source>
<year>2015</year>
<publisher-name><![CDATA[Packt Publishing Ltd]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cuvelier]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Aufaure]]></surname>
<given-names><![CDATA[M.-A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Graph mining and communities detection]]></source>
<year>2011</year>
<page-range>117-38</page-range><publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Er¸cetin]]></surname>
<given-names><![CDATA[S. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Neyi¸sci]]></surname>
<given-names><![CDATA[N. B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Social network analysis: A brief introduction to the theory.]]></source>
<year>2016</year>
<page-range>167-71</page-range><publisher-name><![CDATA[Springer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Farooq]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Joyia]]></surname>
<given-names><![CDATA[G. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Uzair]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Akram]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
</person-group>
<source><![CDATA[Detection of influential nodes using social networks analysis based on network metrics]]></source>
<year>2018</year>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Freeman]]></surname>
<given-names><![CDATA[L. C.]]></given-names>
</name>
</person-group>
<source><![CDATA[A set of measures of centrality based on betweenness.]]></source>
<year>1977</year>
<page-range>35-41</page-range><publisher-name><![CDATA[Sociometry]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[González Duque]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Python para todos]]></article-title>
<source><![CDATA[Creative Commons Reconocimiento]]></source>
<year>2014</year>
<volume>2</volume>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hagberg]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Swart]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[S Chult]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Exploring network structure, dynamics, and function using networkx.]]></source>
<year>2008</year>
<publisher-loc><![CDATA[Los Alamos, NM (United States) ]]></publisher-loc>
<publisher-name><![CDATA[Technical report, Los Alamos National Lab.(LANL)]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Heymann]]></surname>
<given-names><![CDATA[S]]></given-names>
</name>
</person-group>
<source><![CDATA[Gephi. Encyclopedia of social network analysis and mining]]></source>
<year>2017</year>
<page-range>1-14</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kazienko]]></surname>
<given-names><![CDATA[P]]></given-names>
</name>
</person-group>
<source><![CDATA[Social network analysis: Selected methods and applications.]]></source>
<year>2012</year>
<page-range>151</page-range><publisher-name><![CDATA[Citeseer]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Khokhar]]></surname>
<given-names><![CDATA[D]]></given-names>
</name>
</person-group>
<source><![CDATA[Gephi cookbook]]></source>
<year>2015</year>
<publisher-name><![CDATA[Packt Publishing Ltd]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kuz]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Falco]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Giandini]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de redes sociales: un caso práctico.]]></article-title>
<source><![CDATA[Computación y Sistemas]]></source>
<year>2016</year>
<volume>20</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>89-106</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lozano]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[García-Martínez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez]]></surname>
<given-names><![CDATA[F. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Trujillo Mendoza]]></surname>
<given-names><![CDATA[H. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Optimización de ataques a redes complejas mediante un algoritmo de colonias de abejas artificiales.]]></source>
<year>2016</year>
<page-range>151</page-range><publisher-name><![CDATA[Ediciones Universidad de Salamanca.]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[O&#8217;Malley]]></surname>
<given-names><![CDATA[A. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Onnela]]></surname>
<given-names><![CDATA[J.-P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Introduction to social network analysis]]></source>
<year>2017</year>
<page-range>1-44</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pérez Beltrán]]></surname>
<given-names><![CDATA[J. E.]]></given-names>
</name>
<name>
<surname><![CDATA[Valerio Ureña]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodríguez-Aceves]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de redes sociales para el estudio de la producción intelectual en grupos de investigación.]]></article-title>
<source><![CDATA[Perfiles educativos]]></source>
<year>2015</year>
<volume>37</volume>
<numero>150</numero>
<issue>150</issue>
<page-range>124-42</page-range></nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Peyró Outeiriño]]></surname>
<given-names><![CDATA[M. B.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Conectados por redes sociales: Introducción al análisis de redes sociales y casos prácticos.]]></article-title>
<source><![CDATA[Redes. Revista Hispana para el Análisis de Redes Sociales]]></source>
<year>2015</year>
<volume>26</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>236-41</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rao]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Mishra]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Detection of influential communities and members in a community graph of villages using graph mining techniques]]></article-title>
<source><![CDATA[International Journal of Computer Science and Information Security]]></source>
<year>2016</year>
<volume>14</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>85</page-range></nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rao]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Mitra]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[A new approach for detection of common communities in a social network using graph mining techniques.]]></source>
<year>2014</year>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Riondato]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Upfal]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Abra: Approximating betweenness centrality in static and dynamic graphs with rademacher averages.]]></article-title>
<source><![CDATA[ACM Transactions on Knowledge Discovery from Data (TKDD)]]></source>
<year>2018</year>
<volume>12</volume>
<numero>5</numero>
<issue>5</issue>
<page-range>61</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sabidussi]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The centrality index of a graph.]]></article-title>
<source><![CDATA[Psychometrika]]></source>
<year>1966</year>
<volume>31</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>581-603</page-range></nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Summerfield]]></surname>
<given-names><![CDATA[M]]></given-names>
</name>
</person-group>
<source><![CDATA[Programming in Python 3: a complete introduction to the Python language.]]></source>
<year>2010</year>
<publisher-name><![CDATA[Addison- Wesley Professional]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tale]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Python 3: The ultimate beginners guide for python 3 programming.]]></source>
<year>2017</year>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Thorat]]></surname>
<given-names><![CDATA[A. R.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Detection of influential communities and members in a community using graph mining techniques.]]></article-title>
<source><![CDATA[Imperial Journal of Interdisciplinary Research]]></source>
<year>2017</year>
<volume>3</volume>
<numero>3</numero>
<issue>3</issue>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Trudeau]]></surname>
<given-names><![CDATA[R. J]]></given-names>
</name>
</person-group>
<source><![CDATA[Introduction to graph theory.]]></source>
<year>2013</year>
<publisher-name><![CDATA[Courier Corporation]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[J. X.]]></given-names>
</name>
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Community detection in social networks: an in- depth benchmarking study with a procedure-oriented framework.]]></article-title>
<source><![CDATA[Proceedings of the VLDB Endowment,]]></source>
<year>2015</year>
<volume>8</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>998-1009</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wasserman]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Faust]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Social network analysis: Methods and applications,]]></article-title>
<source><![CDATA[Cambridge university press]]></source>
<year>1994</year>
<volume>8</volume>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Freeman]]></surname>
<given-names><![CDATA[L. C]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Centrality in social networks conceptual clarification.]]></article-title>
<source><![CDATA[Social networks]]></source>
<year>1978</year>
<volume>1</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>215-39</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hagberg]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Schult]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Swart]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Networkx framework]]></source>
<year>2016</year>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
