<?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>1729-519X</journal-id>
<journal-title><![CDATA[Revista Habanera de Ciencias Médicas]]></journal-title>
<abbrev-journal-title><![CDATA[Rev haban cienc méd]]></abbrev-journal-title>
<issn>1729-519X</issn>
<publisher>
<publisher-name><![CDATA[Universidad de Ciencias Médicas de la Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1729-519X2021000500015</article-id>
<title-group>
<article-title xml:lang="es"><![CDATA[Conversaciones sobre brigadas médicas cubanas en contexto de COVID-19 desde el ambiente info-comunicativo de Twitter]]></article-title>
<article-title xml:lang="en"><![CDATA[Conversations on Cuban medical delegations in the context of COVID-19 from the info-communicative environment on Twitter]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Méndez Hernández]]></surname>
<given-names><![CDATA[Giselle María]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fonseca Valido]]></surname>
<given-names><![CDATA[Rafael]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Alonso Pérez]]></surname>
<given-names><![CDATA[Milagros]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad de Oriente  ]]></institution>
<addr-line><![CDATA[Santiago de Cuba ]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>10</month>
<year>2021</year>
</pub-date>
<volume>20</volume>
<numero>5</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S1729-519X2021000500015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S1729-519X2021000500015&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S1729-519X2021000500015&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN  Introducción: La pandemia de COVID-19 modifica el ambiente info-comunicativo de los ciberusuarios. Cuba, en particular, presenta un nivel considerable de desarrollo tecnológico insertado en la plataforma social de Internet, Twitter. Este soporte desempeña un rol vertebral para el debate sobre temas relacionados a las brigadas médicas cubanas, por su enfrentamiento al virus en el ámbito internacional, que coadyuva a la conformación de una opinión global favorable. Lo planteado con anterioridad se expresa desde las conversaciones online y sus discursos en este sitio.  Objetivo: Caracterizar el ambiente info-comunicativo de Twitter durante las conversaciones online sobre brigadas médicas cubanas, entre el 31 de diciembre de 2020 y el 18 de enero de 2021.  Material y Métodos: Se emplea el método teórico hermenéutico, para la descripción de los resultados del procesamiento estadístico de contenido, estructura y uso en la web, correspondiente a un enfoque transdisciplinar, mediante la técnica de minería de datos y la aplicación como instrumento del algoritmo no supervisado SSA-UO para el análisis de sentimientos en Twitter.  Resultados: Las características del ambiente info-comunicativo de Twitter durante las conversaciones online sobre brigadas médicas cubanas evidencian un predominio de la polaridad positiva.  Conclusiones: Los retuits, las menciones y la publicación de enlaces condicionan las particularidades del debate sobre el tema en la esfera de microblogging.]]></p></abstract>
<abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT  Introduction:  The COVID-19 pandemic modifies the info-communicative environment of cyber users. Cuba, in particular, presents a remarkable level of technological development inserted in the Internet social platform, Twitter. This support plays a key role in the debate about issues related to the Cuban medical delegations due to their confrontation with the virus at the international level, which contributes to the formation of a favorable global opinion. The aforementioned point is expressed from the online conversations and their speeches in this site.  Objective:  To characterize the info-communicative environment on Twitter during the online conversations about Cuban medical brigades between December 31, 2020 and January 18, 2021.  Material and Methods:  The hermeneutic theoretical method is used for the description of the results of the statistical processing of content, structure and use on the Web, corresponding to a transdisciplinary approach through the application of Data Mining Technique as an instrument of the unsupervised algorithm SSA-UO for sentiment analysis on Twitter.  Results:  The characteristics of the info-communicative environment on Twitter during the online conversations about Cuban medical delegations evidence a predominance of positive polarity.  Conclusions:  Retweets, mentions and the publication of links influence the particularities of the debate on the topic in the microblogging sphere.]]></p></abstract>
<kwd-group>
<kwd lng="es"><![CDATA[COVID-19]]></kwd>
<kwd lng="es"><![CDATA[salud]]></kwd>
<kwd lng="es"><![CDATA[brigadas médicas cubanas]]></kwd>
<kwd lng="es"><![CDATA[ambiente info-comunicativo]]></kwd>
<kwd lng="es"><![CDATA[conversaciones online]]></kwd>
<kwd lng="es"><![CDATA[Twitter]]></kwd>
<kwd lng="es"><![CDATA[polaridad]]></kwd>
<kwd lng="en"><![CDATA[COVID-19]]></kwd>
<kwd lng="en"><![CDATA[health]]></kwd>
<kwd lng="en"><![CDATA[Cuban medical brigades]]></kwd>
<kwd lng="en"><![CDATA[info-communicative environment]]></kwd>
<kwd lng="en"><![CDATA[online conversations]]></kwd>
<kwd lng="en"><![CDATA[Twitter]]></kwd>
<kwd lng="en"><![CDATA[polarity]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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