<?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>1405-5546</journal-id>
<journal-title><![CDATA[Computación y Sistemas]]></journal-title>
<abbrev-journal-title><![CDATA[Comp. y Sist.]]></abbrev-journal-title>
<issn>1405-5546</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Centro de Investigación en Computación]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1405-55462019000300751</article-id>
<article-id pub-id-type="doi">10.13053/cys-23-3-3253</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Deep Semantic Role Labeling for Tweets using 5W1H: Who, What, When, Where, Why and How]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Chakma]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Das]]></surname>
<given-names><![CDATA[Amitava]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Debbarma]]></surname>
<given-names><![CDATA[Swapan]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,National Institute of Technology  ]]></institution>
<addr-line><![CDATA[Agartala ]]></addr-line>
<country>India</country>
</aff>
<aff id="Af2">
<institution><![CDATA[,Indian Institute of Information Technology  ]]></institution>
<addr-line><![CDATA[Sricity ]]></addr-line>
<country>India</country>
</aff>
<aff id="Af3">
<institution><![CDATA[,National Institute of Technology  ]]></institution>
<addr-line><![CDATA[Agartala ]]></addr-line>
<country>India</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>09</month>
<year>2019</year>
</pub-date>
<volume>23</volume>
<numero>3</numero>
<fpage>751</fpage>
<lpage>763</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1405-55462019000300751&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1405-55462019000300751&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1405-55462019000300751&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract In natural language understanding, Semantic Role Labeling (SRL) is considered as one of the important tasks and widely studied by the research community. State-of-the-art lexical resources have been in existence for defining the semantic role arguments with respect to the predicates. However, such lexical resources are complex in nature which is difficult to understand. Therefore, instead of the classical semantic role arguments, we adopted the concept of 5W1H (Who, What, When, Where, Why and How) for SRL. The 5W1H concept is widely used in journalism and it is much simpler and easier to understand as compared to the classical SRL lexical resources. In the recent years, recurrent neural networks (RNN) based end-to-end SRL systems have gained significant attention. However, all recent works have been developed for formal texts. This paper reports on the implementation of a deep neural network using the attention mechanism for extracting the 5W1H from tweets. Our implementation reports an F-1 score of 88.21 which outperforms other recent Twitter SRL system by 28.72.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Semantic role]]></kwd>
<kwd lng="en"><![CDATA[5W1H]]></kwd>
<kwd lng="en"><![CDATA[tweet]]></kwd>
<kwd lng="en"><![CDATA[attention mechanism]]></kwd>
</kwd-group>
</article-meta>
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