<?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>1909-3667</journal-id>
<journal-title><![CDATA[Tecciencia]]></journal-title>
<abbrev-journal-title><![CDATA[Tecciencia]]></abbrev-journal-title>
<issn>1909-3667</issn>
<publisher>
<publisher-name><![CDATA[Universidad ECCI]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1909-36672017000100035</article-id>
<article-id pub-id-type="doi">10.18180/tecciencia.2017.22.5</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[A Review of Sentiment Analysis in Spanish]]></article-title>
<article-title xml:lang="es"><![CDATA[Una Revisión Sobre el Análisis de Sentimientos en Español]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Miranda]]></surname>
<given-names><![CDATA[Carlos Henríquez]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Guzmán]]></surname>
<given-names><![CDATA[Jaime]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Autónoma  ]]></institution>
<addr-line><![CDATA[Barranquilla ]]></addr-line>
<country>Colombia</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Universitario Nacional de Colombia  ]]></institution>
<addr-line><![CDATA[Bogotá ]]></addr-line>
<country>Colombia</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2017</year>
</pub-date>
<volume>12</volume>
<numero>22</numero>
<fpage>35</fpage>
<lpage>48</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_arttext&amp;pid=S1909-36672017000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_abstract&amp;pid=S1909-36672017000100035&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.co/scielo.php?script=sci_pdf&amp;pid=S1909-36672017000100035&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract Sentiment analysis is an area of research that shows an upward trend, especially in the last two years due to large-scale production of opinions and comments from users active over the Web and social networks, in general. Companies and organizations are interested in knowing of their reputation in social networks, blogs, wikis, and other Web sites. Until now, the vast majority of the work involves systems in English. For this reason, the scientific community is interested in studies in other languages. This paper provides a brief overview of the current state of sentiment analysis in Spanish language.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen El análisis de sentimiento ha mostrado una alta tendencia de investigación en los últimos dos años debido a la producción a gran escala de opiniones y comentarios por parte de usuarios activos en la Internet. Las empresas y organizaciones, en general, están interesadas en conocer cuál es la reputación que tienen de sus usuarios en las redes sociales, blogs, wikis y otros sitios Web. Hasta ahora, la gran mayoría de trabajos de investigación involucran sistemas de AS en inglés. Por este motivo, la comunidad científica está interesada en trabajos diferentes a este lenguaje. Este artículo busca dar una breve perspectiva del estado actual del análisis de sentimientos en español.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Artificial Intelligence]]></kwd>
<kwd lng="en"><![CDATA[Opinion Mining]]></kwd>
<kwd lng="en"><![CDATA[Sentiment Analysis]]></kwd>
<kwd lng="en"><![CDATA[NLP]]></kwd>
<kwd lng="en"><![CDATA[Emotion Analysis]]></kwd>
<kwd lng="es"><![CDATA[Inteligencia Artificial]]></kwd>
<kwd lng="es"><![CDATA[Minería de Opinión]]></kwd>
<kwd lng="es"><![CDATA[Análisis de Sentimientos]]></kwd>
<kwd lng="es"><![CDATA[PLN]]></kwd>
<kwd lng="es"><![CDATA[Análisis de Emociones]]></kwd>
</kwd-group>
</article-meta>
</front><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Picard]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Affective Computing]]></source>
<year>1997</year>
<publisher-loc><![CDATA[Cambridge ]]></publisher-loc>
<publisher-name><![CDATA[MIT press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Yin]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Wei]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Sun]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[A 3D facial expression database for facial behavior research]]></source>
<year>2006</year>
<conf-name><![CDATA[ 7thinternational conference on automatic face and gesture recognition (FGR06)]]></conf-name>
<conf-date>2006</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kapur]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kapur]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Virji-Babul]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Tzanetakis]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Driessen]]></surname>
<given-names><![CDATA[P. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Gesture-Based Affective Computing on Motion Capture Data]]></source>
<year>2005</year>
<conf-name><![CDATA[ International Conference on Affective Computing and Intelligent Interaction]]></conf-name>
<conf-date>2005</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Strapparava]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Mihalcea]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Learning to Identify Emotions in Text]]></source>
<year>2008</year>
<conf-name><![CDATA[ Proceedings of the 2008 ACM symposium on Applied computing]]></conf-name>
<conf-date>2008</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sentiment Analysis and Opinion Mining, Synthesis Lectures on Human Language Technologies]]></source>
<year>2012</year>
</nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pang]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Lee]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Opinion Mining and Sentiment Analysis]]></source>
<year>2008</year>
<volume>%1 of %22</volume>
<numero>1-2</numero>
<issue>1-2</issue>
<page-range>1-135</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Tsytsarau]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Survey on mining subjective data on the web]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Palpanas]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<source><![CDATA[Data Mining and Knowledge Discovery]]></source>
<year>2012</year>
<page-range>478-514</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Medhat]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sentiment analysis algorithms and applications: A survey]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Hassan]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Korashy]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Ain Shams Engineering Journal]]></source>
<year>2014</year>
<page-range>1093-113</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sentiment Analysis: Mining Opinions, Sentiments, and Emotions]]></source>
<year>2015</year>
<publisher-name><![CDATA[Cambridge University Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fiol]]></surname>
<given-names><![CDATA[L. C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[La importancia de las comunidades virtuales para el análisis del valor de marca. El caso de TripAdvisor en Hong Kong y Paris]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Garcia]]></surname>
<given-names><![CDATA[J. S.]]></given-names>
</name>
<name>
<surname><![CDATA[Miguel]]></surname>
<given-names><![CDATA[M. M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Coll]]></surname>
<given-names><![CDATA[S. F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Papers de turisme]]></source>
<year>2012</year>
<volume>52</volume>
<page-range>89-115</page-range></nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Henriquez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mineria de Opiniones basado en la adaptaciön al espanol de ANEW sobre opiniones acerca de hoteles]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Guzmán]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Salcedo]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Procesamiento del Lenguaje Natural]]></source>
<year>2016</year>
<volume>56</volume>
<page-range>25-32</page-range></nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[I. P.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Mineria de Opiniones basada en caracteristicas guiada por]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Garcia]]></surname>
<given-names><![CDATA[R. V.]]></given-names>
</name>
<name>
<surname><![CDATA[Sánchez]]></surname>
<given-names><![CDATA[F. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Procesamiento del Lenguaje Natural]]></source>
<year>2011</year>
<volume>46</volume>
<page-range>91-8</page-range></nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martin Valdivia]]></surname>
<given-names><![CDATA[Maria-Teresa]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sentiment polarity detection in Spanish reviews combining supervised and unsupervised approaches]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Cámara]]></surname>
<given-names><![CDATA[E. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[J. M. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Lopez]]></surname>
<given-names><![CDATA[L. A. U.]]></given-names>
</name>
</person-group>
<source><![CDATA[Expert Systems with Applications]]></source>
<year>2012</year>
<volume>4</volume>
<numero>10</numero>
<issue>10</issue>
<page-range>3934-42</page-range></nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[LI]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Using text mining and sentiment analysis for online forums hotspot detection and forecast]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[W]]></surname>
<given-names><![CDATA[D. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Decision Support Systems]]></source>
<year>2010</year>
<volume>48</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>354 - 368</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rill]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[PoliTwi: Early detection of emerging political topics on twitter and the impact on concept-level sentiment analysis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Reinel]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Scheidt]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Zicari]]></surname>
<given-names><![CDATA[R. V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Knowledge-Based Systems]]></source>
<year>2014</year>
<volume>69</volume>
<page-range>24-33</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Anjaria]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A novel sentiment analysis of social networks using supervised learning]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Guddeti]]></surname>
<given-names><![CDATA[R. M. R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Social Network Analysis and Mining]]></source>
<year>2014</year>
<volume>4</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-15</page-range></nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortigosa]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sentiment analysis in Facebook and its application to e-learning]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Martin]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Carro]]></surname>
<given-names><![CDATA[R. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Computers in Human Behavior]]></source>
<year>2014</year>
<volume>31</volume>
<page-range>527-41</page-range></nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Greaves]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Use of Sentiment Analysis for Capturing Patient Experience From Free-Text Comments Posted Online]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Ramirez-Cano]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Millett]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Darzi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of medical Internet research]]></source>
<year>2013</year>
<volume>15</volume>
<numero>11</numero>
<issue>11</issue>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dong]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Set-Similarity joins based semi-supervised sentiment analysis." Neural Information Processing. Springer Berlin Heidelberg, 2012]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Zou]]></surname>
<given-names><![CDATA[Q.]]></given-names>
</name>
<name>
<surname><![CDATA[Guan]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[Neural Information Processing]]></source>
<year>2012</year>
<page-range>176-83</page-range><publisher-name><![CDATA[Springer Berlin Heidelberg]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Turney]]></surname>
<given-names><![CDATA[P. D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Thumbs up or thumbs down?: semantic orientation applied to unsupervised classification of reviews]]></source>
<year>2002</year>
<conf-name><![CDATA[ 40annual meeting on association for computational linguistics]]></conf-name>
<conf-date>2002</conf-date>
<conf-loc>Stroudsburg, PA, USA </conf-loc>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Govindarajan]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Survey of Classification Methods and Applications for Sentiment Analysis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Romina]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[The International Journal Of Engineering And Science (IJES)]]></source>
<year>2013</year>
<volume>2</volume>
<numero>12</numero>
<issue>12</issue>
<page-range>11-5</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Computational approaches to subjectivity and sentiment analysis: Present and envisaged methods and applications]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Balahur]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Computer Speech &amp; Language]]></source>
<year>2014</year>
<volume>28</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Dey]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Haque]]></surname>
<given-names><![CDATA[S. K. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Opinion mining from noisy text data]]></source>
<year>2008</year>
<conf-name><![CDATA[ Proceedings of the second workshop on Analytics for noisy unstructured text data]]></conf-name>
<conf-date>2008</conf-date>
<conf-loc>New York </conf-loc>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Haddi]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Role of Text Pre-processing in Sentiment Analysis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[X.]]></given-names>
</name>
<name>
<surname><![CDATA[Shi]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[Procedia Computer Science]]></source>
<year>2013</year>
<volume>17</volume>
<page-range>26 32</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Smailovic]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Stream-based active learning for sentiment analysis in the financial domain]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Grcar]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Lavrac]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Znidarsic]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Information Sciences]]></source>
<year>2014</year>
<volume>285</volume>
<page-range>181-203</page-range></nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="">
<source><![CDATA[Sepln]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Bagheri]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[An Unsupervised Aspect Detection Model for Sentiment Analysis of Reviews]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Saraee]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Jong]]></surname>
<given-names><![CDATA[F. d.]]></given-names>
</name>
</person-group>
<source><![CDATA[Language Processing and Information Systems]]></source>
<year>2013</year>
<page-range>140-51</page-range><publisher-name><![CDATA[Springer Berlin Heidelberg]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Qiu]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Opinion word expansion and target extraction through double propagation]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Liu]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Bu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Computational Linguistics]]></source>
<year>2011</year>
<volume>37</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>9 - 27</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Abbasi]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sentiment Analysis in Multiple Languages: Feature]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Chen]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Salem]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[ACM Transactions on Information Systems (TOIS)]]></source>
<year>2008</year>
<volume>26</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>12</page-range></nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ravia]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A survey on opinion mining and sentiment analysis: Tasks, approaches and applications]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Ravia]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Knowledge-Based Systems]]></source>
<year>2015</year>
<volume>89</volume>
<page-range>14-46</page-range></nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pla]]></surname>
<given-names><![CDATA[.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sentiment Analysis in Twitter for Spanish]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Hurtado]]></surname>
<given-names><![CDATA[L.-F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Natural Language Processing and Information Systems]]></source>
<year>2014</year>
<page-range>208-13</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Mullen]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Sentiment Analysis using Support Vector Machines with Diverse Information Sources]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Collier]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[EMNLP]]></source>
<year>2004</year>
<volume>4</volume>
<page-range>412-8</page-range></nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[A multi-stage method for content classification and opinion mining on weblog comments]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alfaro]]></surname>
<given-names><![CDATA[Cesar]]></given-names>
</name>
</person-group>
<source><![CDATA[Annals of Operations Research]]></source>
<year>2013</year>
<page-range>1-17</page-range></nlm-citation>
</ref>
<ref id="B34">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Boldrini]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Using EmotiBlog to annotate and analyse subjectivity in the new textual genres]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Balahur]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez-Barco]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Montoyo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Data Mining and Knowledge Discovery]]></source>
<year>2012</year>
<volume>25</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>603-34</page-range></nlm-citation>
</ref>
<ref id="B35">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Lazaridou]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Bayesian Model for Joint Unsupervised Induction of Sentiment, Aspect and Discourse Representations]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Titov]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Sporleder]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[ACL]]></source>
<year>2013</year>
<volume>1</volume>
<page-range>1630 -1639</page-range></nlm-citation>
</ref>
<ref id="B36">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pak]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Twitter as a Corpus for Sentiment Analysis and Opinion Mining]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Paroubek]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[LREC]]></source>
<year>2010</year>
<volume>10</volume>
<page-range>1320 -1326</page-range></nlm-citation>
</ref>
<ref id="B37">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ortigosa-Hernández]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Approaching Sentiment Analysis by using semi-supervised learning of multi-dimensional classifiers]]></article-title>
<source><![CDATA[Neurocomputing]]></source>
<year>2012</year>
<volume>92</volume>
<page-range>98-115</page-range></nlm-citation>
</ref>
<ref id="B38">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ghiassi]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Twitter brand sentiment analysis: A hybrid system using n-gram analysis and dynamic artificial neural network]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Skinner]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Zimbra]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<source><![CDATA[Twitter brand sentiment analysis: A hybrid system using n-gram analysis and dynamic artificial neural network]]></source>
<year>2013</year>
<volume>40</volume>
<numero>16</numero>
<issue>16</issue>
<page-range>6266-82</page-range></nlm-citation>
</ref>
<ref id="B39">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodriguez]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Quantification del interes de un usuario en un tema mediante mineria de texto y análisis de sentimiento]]></source>
<year>2013</year>
<publisher-name><![CDATA[Diss. Universidad Autonoma de Nuevo Leon,]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B40">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nasukawa]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Yi]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sentiment analysis: Capturing favorability using natural language processing]]></source>
<year>2003</year>
<conf-name><![CDATA[ Proceedings of the 2nd international conference on Knowledge capture. ACM]]></conf-name>
<conf-date>2003</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B41">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brooke]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Cross-Linguistic Sentiment Analysis: From English to Spanish]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Tofiloski]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Taboada]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[RANLP]]></source>
<year>2009</year>
<page-range>50 - 54</page-range></nlm-citation>
</ref>
<ref id="B42">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Taboada]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lexicon-Based Methods for Sentiment Analysis]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Brooke]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Tofiloski]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Voll]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<name>
<surname><![CDATA[Stede]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Computational linguistics]]></source>
<year>2011</year>
<volume>37</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>267 - 307</page-range></nlm-citation>
</ref>
<ref id="B43">
<nlm-citation citation-type="journal">
<article-title xml:lang=""><![CDATA[Multi-lingual support for lexicon-based sentiment analysis guided by semantics]]></article-title>
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hogenboom]]></surname>
<given-names><![CDATA[Alexander]]></given-names>
</name>
</person-group>
<source><![CDATA[decision support systems]]></source>
<year>2014</year>
<volume>62</volume>
<page-range>43-53</page-range></nlm-citation>
</ref>
<ref id="B44">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Feng]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Extracting common emotions from blogs based on fine-grained sentiment clustering]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Wang]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Gao]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
<name>
<surname><![CDATA[Wong]]></surname>
<given-names><![CDATA[K.-F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Knowledge and information systems]]></source>
<year>2011</year>
<volume>27</volume>
<numero>2</numero>
<issue>2</issue>
<page-range>281-302</page-range></nlm-citation>
</ref>
<ref id="B45">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Induccion de un Lexicon de Opinion Orientado al Dominio]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[J. T. J.]]></given-names>
</name>
<name>
<surname><![CDATA[Vallejo]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Procesamiento del lenguaje natural]]></source>
<year>2009</year>
<volume>43</volume>
<page-range>5 - 12</page-range></nlm-citation>
</ref>
<ref id="B46">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Baccianella]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[SentiWordNet 3.0: An Enhanced Lexical Resource for Sentiment Analysis and Opinion Mining]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Esuli]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sebastiani]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[LREC]]></source>
<year>2010</year>
<volume>10</volume>
<page-range>2200 -204</page-range></nlm-citation>
</ref>
<ref id="B47">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Perez-Rosas]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Learning Sentiment Lexicons in Spanish]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Banea]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Mihalcea]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[LREC]]></source>
<year>2012</year>
<page-range>3077-81</page-range></nlm-citation>
</ref>
<ref id="B48">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cruz]]></surname>
<given-names><![CDATA[F. L.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Building layered, multilingual sentiment lexicons at synset and lemma levels]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Troyano]]></surname>
<given-names><![CDATA[J. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Pontes]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Ortega]]></surname>
<given-names><![CDATA[F. J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Expert Systems with Applications]]></source>
<year>2014</year>
<volume>41</volume>
<numero>13</numero>
<issue>13</issue>
<page-range>5984-94</page-range></nlm-citation>
</ref>
<ref id="B49">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Molina-González]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Semantic orientation for polarity classification in Spanish reviews]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Martinez-Cámara]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Martin-Valdivia]]></surname>
<given-names><![CDATA[M.-T.]]></given-names>
</name>
<name>
<surname><![CDATA[Perea-Ortega]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Expert Systems with Applications]]></source>
<year>2013</year>
<volume>40</volume>
<numero>18</numero>
<issue>18</issue>
<page-range>7250-7</page-range></nlm-citation>
</ref>
<ref id="B50">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sokolova]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A systematic analysis of performance measures for classification tasks]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Lapalme]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Information Processing and Management]]></source>
<year>2009</year>
<page-range>427 - 437</page-range></nlm-citation>
</ref>
<ref id="B51">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[John]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Kubala]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Schwartz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[R]]></surname>
<given-names><![CDATA[W.]]></given-names>
</name>
</person-group>
<source><![CDATA[Performance measures for information extraction]]></source>
<year>1999</year>
<conf-name><![CDATA[ Proceedings of DARPA broadcast news workshop]]></conf-name>
<conf-date>1999</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B52">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Sokolova]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A systematic analysis of performance measures for classification tasks]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Lapalme]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Information Processing and Management]]></source>
<year>2009</year>
<page-range>427 - 437</page-range></nlm-citation>
</ref>
<ref id="B53">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rodriguez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Bastida]]></surname>
<given-names><![CDATA[A. I. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia-Serrano]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Rodriguez]]></surname>
<given-names><![CDATA[M. G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Using a linguistic approach for sentiment analysis]]></source>
<year>2011</year>
<publisher-name><![CDATA[TASS 2011]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B54">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Pablo Gamallo]]></surname>
<given-names><![CDATA[M. G]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[TASS: A Naive-Bayes strategy for sentiment analysis on Spanish tweets]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fernández-Lanza]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<source><![CDATA[Workshop on Sentiment Analysis at SEPLN (TASS2013)]]></source>
<year>2013</year>
</nlm-citation>
</ref>
<ref id="B55">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernandez]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutierrez]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Gomez]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Montoyo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Munoz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sentiment Analysis of Spanish Tweets]]></source>
<year>2013</year>
<conf-name><![CDATA[ XXIXCongreso de la Sociedad Espanola de Procesamiento de Lenguaje Natural (SEPLN2013)]]></conf-name>
<conf-date>2013</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B56">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Cordobes]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Tecnicas basadas en grafos para la categorization de tweets por tema]]></source>
<year>2013</year>
<conf-name><![CDATA[ XXIXCongreso de la Sociedad Española para el Procesamiento del lenguaje natural (SEPLN 2013)]]></conf-name>
<conf-date>2013</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B57">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Urizar]]></surname>
<given-names><![CDATA[X. Saralegi]]></given-names>
</name>
<name>
<surname><![CDATA[Roncal]]></surname>
<given-names><![CDATA[I. San Vicente]]></given-names>
</name>
</person-group>
<source><![CDATA[Elhuyar at TASS 2013]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Madrid ]]></publisher-loc>
<publisher-name><![CDATA[TASS 2013]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B58">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hoyo]]></surname>
<given-names><![CDATA[R. del]]></given-names>
</name>
<name>
<surname><![CDATA[Hupont]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Lacueva]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Descubrimiento de nuevas palabras con polaridad afectiva a través de técnicas de inteligencia artificial general]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Madrid ]]></publisher-loc>
<publisher-name><![CDATA[TASS 2013]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B59">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alexandra]]></surname>
<given-names><![CDATA[B.]]></given-names>
</name>
<name>
<surname><![CDATA[Perea-Ortega]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Experiments using varying sizes and machine translated data for sentiment analysis in Twitter]]></source>
<year>2013</year>
<publisher-name><![CDATA[TASS workshop at SEPLN 2013]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B60">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Garcia]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Thelwall]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Political alignment and emotional expression in Spanish Tweets]]></source>
<year>2013</year>
<conf-name><![CDATA[ XXIXCongreso de la Sociedad Espanola de Procesamiento de Lenguaje Natural]]></conf-name>
<conf-date>2013</conf-date>
<conf-loc>Madrid </conf-loc>
</nlm-citation>
</ref>
<ref id="B61">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreno]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Análisis de Valoraciones de Usuario de Hoteles con Sentitext]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Castillo]]></surname>
<given-names><![CDATA[F. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Garcia]]></surname>
<given-names><![CDATA[R. H.]]></given-names>
</name>
</person-group>
<source><![CDATA[Procesamiento del lenguaje natural]]></source>
<year>2010</year>
<volume>45</volume>
<page-range>31-9</page-range></nlm-citation>
</ref>
<ref id="B62">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Alegria]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Aranberri]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Fresno]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
<name>
<surname><![CDATA[Gamallo]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Padro]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Vicente]]></surname>
<given-names><![CDATA[I. San]]></given-names>
</name>
<name>
<surname><![CDATA[Turmo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Zubiaga]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Introduccion a la tarea compartida Tweet-Norm 2013: Normalizacion lexica de tuits en espanol]]></source>
<year>2013</year>
<conf-name><![CDATA[ XXIXCongreso de la Sociedad Espanola para el Procesamiento del Lenguaje]]></conf-name>
<conf-date>2013</conf-date>
<conf-loc>Madrid </conf-loc>
</nlm-citation>
</ref>
<ref id="B63">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rosas]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Multimodal sentiment analysis of Spanish online videos]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Mihalcea]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Morency]]></surname>
<given-names><![CDATA[L.-P.]]></given-names>
</name>
</person-group>
<source><![CDATA[IEEE Intelligent Systems]]></source>
<year>2013</year>
<volume>28</volume>
<numero>3</numero>
<issue>3</issue>
<page-range>38 - 45</page-range></nlm-citation>
</ref>
<ref id="B64">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hurtado]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Pla]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis de Sentimientos, Deteccion de Tópicos y Análisis de Sentimientos de Aspectos en Twitter]]></source>
<year>2014</year>
<publisher-name><![CDATA[TASS 2014]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B65">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Moreno-Ortiz]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Lexicon-based sentiment analysis of Twitter messages in Spanish]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Hernández]]></surname>
<given-names><![CDATA[C. P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Procesamiento del lenguaje natural]]></source>
<year>2013</year>
<volume>50</volume>
<page-range>93-100</page-range></nlm-citation>
</ref>
<ref id="B66">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Salas-Zárate]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A study on LIWC categories for]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Lopez-Lopez]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Valencia-Garcia]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Aussenac-Gilles]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Almela]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Alor-Hernánde]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Information Science]]></source>
<year>2014</year>
<volume>40</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>749-60</page-range></nlm-citation>
</ref>
<ref id="B67">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vilares]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Doval]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gomez-Rodriguez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[A Prototype for Extracting and Analysing Aspects from Spanish tweets]]></source>
<year>2014</year>
<publisher-name><![CDATA[TASS 2014]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B68">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Rosá]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Wonsever]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Minel]]></surname>
<given-names><![CDATA[J.-L.]]></given-names>
</name>
</person-group>
<source><![CDATA[Opinion Identification in Spanish Texts]]></source>
<year>2010</year>
<conf-name><![CDATA[ Proceedings of the NAACL HLT 2010 Young Investigators Workshop on Computational Approaches to Languages of the Americas]]></conf-name>
<conf-date>2010</conf-date>
<conf-loc>Los Angeles </conf-loc>
</nlm-citation>
</ref>
<ref id="B69">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vilares]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Hermo]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Alonso]]></surname>
<given-names><![CDATA[M. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Gomez-Rodriguez]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Doval]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
</person-group>
<source><![CDATA[LyS: Porting a Twitter Sentiment Analysis Approach from Spanish to English]]></source>
<year>2014</year>
<conf-name><![CDATA[ 8International Workshop on Semantic Evaluation (SemEval 2014)]]></conf-name>
<conf-date>2014</conf-date>
<conf-loc>Dublin, Ireland </conf-loc>
</nlm-citation>
</ref>
<ref id="B70">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gomez]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez-Barco]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis de sentimientos multilingüe en la Web 2.0]]></source>
<year>2014</year>
<conf-name><![CDATA[ VJornadas TIMM]]></conf-name>
<conf-date>2014</conf-date>
<conf-loc>Cazalla de la Sierra </conf-loc>
</nlm-citation>
</ref>
<ref id="B71">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Martinez-Cámara]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[Polarity classification for Spanish tweets using the COST corpus]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Martin-Valdivia]]></surname>
<given-names><![CDATA[M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Urena-Lopez]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Mitkov]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Journal of Information Science]]></source>
<year>2015</year>
</nlm-citation>
</ref>
<ref id="B72">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Molina-González]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[A Spanish semantic orientation approach to domain adaptation for polarity classification]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Martinez-Cámara]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Martin-Valdivia]]></surname>
<given-names><![CDATA[M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Urena-Lope]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Information Processing &amp; Management]]></source>
<year>2014</year>
</nlm-citation>
</ref>
<ref id="B73">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fernández]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Gutierrez]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Gomez]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez-Barco]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Montoyo]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Munoz]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[Análisis de sentimientos sobre tweets en castellano utilizando un algoritmo de ranking y skipgrams]]></source>
<year>2013</year>
<publisher-loc><![CDATA[Madrid ]]></publisher-loc>
<publisher-name><![CDATA[TASS 2013]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B74">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Montejo-Ráez]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Diaz-Galiano]]></surname>
<given-names><![CDATA[M. C.]]></given-names>
</name>
<name>
<surname><![CDATA[Perea-Ortega]]></surname>
<given-names><![CDATA[J. M.]]></given-names>
</name>
<name>
<surname><![CDATA[Urena-Lopez]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Spanish knowledge-based generation for polarity classification from masses]]></source>
<year>2013</year>
<conf-name><![CDATA[ Proceedings of the 22nd international conference on World Wide Web companion]]></conf-name>
<conf-date>2013</conf-date>
<conf-loc>Ginebra </conf-loc>
</nlm-citation>
</ref>
<ref id="B75">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Molina-González]]></surname>
<given-names><![CDATA[M. D.]]></given-names>
</name>
<name>
<surname><![CDATA[Martinez-Cámara]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Martin-Valdivia]]></surname>
<given-names><![CDATA[M. T.]]></given-names>
</name>
<name>
<surname><![CDATA[Urena-Lopez]]></surname>
<given-names><![CDATA[L. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Cross-Domain Sentiment Analysis Using Spanish Opinionated Words]]></source>
<year>2014</year>
<conf-name><![CDATA[ 19thternational Conference on Applications of Natural Language to Information Systems]]></conf-name>
<conf-date>2014</conf-date>
<conf-loc>Montpellier </conf-loc>
</nlm-citation>
</ref>
<ref id="B76">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Román]]></surname>
<given-names><![CDATA[J. Villena]]></given-names>
</name>
<name>
<surname><![CDATA[Morera]]></surname>
<given-names><![CDATA[J. Garcia]]></given-names>
</name>
<name>
<surname><![CDATA[Cámara]]></surname>
<given-names><![CDATA[E. Martinez]]></given-names>
</name>
<name>
<surname><![CDATA[Zafra]]></surname>
<given-names><![CDATA[S. M. Jimenez]]></given-names>
</name>
</person-group>
<source><![CDATA[TASS 2014 - The Challenge of Aspect-based Sentiment Analysis]]></source>
<year>2014</year>
<publisher-loc><![CDATA[Madrid ]]></publisher-loc>
<publisher-name><![CDATA[TASS 2014]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B77">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Brody]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Elhadad]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
</person-group>
<source><![CDATA[An unsupervised aspect-sentiment model for online reviews]]></source>
<year>2010</year>
<conf-name><![CDATA[ uman Language Technologies: The 2010 Annual Conference of the North American Chapter of the Association for Computational Linguistics]]></conf-name>
<conf-date>2010</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B78">
<nlm-citation citation-type="confpro">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Esuli]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Sebastiani]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Sentiwordnet: A publicly available lexical resource for opinion mining]]></source>
<year>2006</year>
<conf-name><![CDATA[ Proceedings of LREC]]></conf-name>
<conf-date>2006</conf-date>
<conf-loc> </conf-loc>
</nlm-citation>
</ref>
<ref id="B79">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Redondo]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang=""><![CDATA[The Spanish adaptation of ANEW]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Fraga]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Padron]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<name>
<surname><![CDATA[Comesana]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<source><![CDATA[Behavior Research Methods]]></source>
<year>2007</year>
<volume>3</volume>
<page-range>39</page-range></nlm-citation>
</ref>
</ref-list>
</back>
</article>
