<?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>1870-9044</journal-id>
<journal-title><![CDATA[Polibits]]></journal-title>
<abbrev-journal-title><![CDATA[Polibits]]></abbrev-journal-title>
<issn>1870-9044</issn>
<publisher>
<publisher-name><![CDATA[Instituto Politécnico Nacional, Centro de Innovación y Desarrollo Tecnológico en Cómputo]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1870-90442011000100013</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Are my Children Old Enough to Read these Books? Age Suitability Analysis]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Wanner]]></surname>
<given-names><![CDATA[Franz]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Fuchs]]></surname>
<given-names><![CDATA[Johannes]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Oelke]]></surname>
<given-names><![CDATA[Daniela]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Keim]]></surname>
<given-names><![CDATA[Daniel A.]]></given-names>
</name>
<xref ref-type="aff" rid="A01"/>
</contrib>
</contrib-group>
<aff id="A01">
<institution><![CDATA[,University of Konstanz  ]]></institution>
<addr-line><![CDATA[Konstanz ]]></addr-line>
<country>Germany</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>06</month>
<year>2011</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>06</month>
<year>2011</year>
</pub-date>
<numero>43</numero>
<fpage>93</fpage>
<lpage>100</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_arttext&amp;pid=S1870-90442011000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_abstract&amp;pid=S1870-90442011000100013&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://www.scielo.org.mx/scielo.php?script=sci_pdf&amp;pid=S1870-90442011000100013&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[In general, books are not appropriate for all ages, so the aim of this work was to find an effective method of representing the age suitability of textual documents, making use of automatic analysis and visualization. Interviews with experts identified possible aspects of a text (such as 'is it hard to read?') and a set of features were devised (such as linguistic complexity, story complexity, genre) which combine to characterize these age related aspects. In order to measure these properties, we map a set of text features onto each one. An evaluation of the measures, using Amazon Mechanical Turk, showed promising results. Finally, the set features are visualized in our age-suitability tool, which gives the user the possibility to explore the results, supporting transparency and traceability as well as the opportunity to deal with the limitations of automatic methods and computability issues.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Information interfaces and presentation]]></kwd>
<kwd lng="en"><![CDATA[information search and retrieval]]></kwd>
</kwd-group>
</article-meta>
</front><body><![CDATA[  	    <p align="center"><font face="verdana" size="4"><b>Are my Children Old Enough to Read these Books? Age Suitability Analysis</b></font></p> 	    <p align="center"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="center"><font face="verdana" size="2"><b>Franz Wanner*, Johannes Fuchs**, Daniela Oelke***, and Daniel A. Keim****</b></font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2"><i>The authors are with the University of Konstanz, 78457 Konstanz, Germany (e&#150;mail:</i> *<a href="mailto:wanner@dbvis.inf.uni&#150;konstanz.de">wanner@dbvis.inf.uni&#150;konstanz.de</a>, **<a href="mailto:Johannes.Fuchs@uni&#150;konstanz.de">Johannes.Fuchs@uni&#150;konstanz.de</a>, ***<a href="mailto:oelke@dbvis.inf.uni&#150;konstanz.de">oelke@dbvis.inf.uni&#150;konstanz.de</a>, ****<a href="mailto:keim@dbvis.inf.uni&#150;konstanz.de">keim@dbvis.inf.uni&#150;konstanz.de</a>).</font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2">Manuscript received October 27, 2010.    <br>     Manuscript accepted for publication January 28, 2011.</font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    ]]></body>
<body><![CDATA[<p align="justify"><font face="verdana" size="2"><b>Abstract</b></font></p> 	    <p align="justify"><font face="verdana" size="2">In general, books are not appropriate for all ages, so the aim of this work was to find an effective method of representing the age suitability of textual documents, making use of automatic analysis and visualization. Interviews with experts identified possible aspects of a text (such as 'is it hard to read?') and a set of features were devised (such as linguistic complexity, story complexity, genre) which combine to characterize these age related aspects. In order to measure these properties, we map a set of text features onto each one. An evaluation of the measures, using Amazon Mechanical Turk, showed promising results. Finally, the set features are visualized in our age&#150;suitability tool, which gives the user the possibility to explore the results, supporting transparency and traceability as well as the opportunity to deal with the limitations of automatic methods and computability issues.</font></p> 	    <p align="justify"><font face="verdana" size="2"><b>Key words</b>: Information interfaces and presentation, information search and retrieval.</font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2"><a href="/pdf/poli/n43/n43a13.pdf" target="_blank">DESCARGAR ART&Iacute;CULO EN FORMATO PDF</a></font></p> 	    <p align="justify"><font face="verdana" size="2">&nbsp;</font></p> 	    <p align="justify"><font face="verdana" size="2"><b>REFERENCES</b></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;1&#93; B. Pang and L. Lee, "Opinion Mining and Sentiment Analysis," <i>Foundations and Trends in Information Retrieval,</i> vol. 2, no. 1&#150;2, pp. 1&#150;135, 2008.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081896&pid=S1870-9044201100010001300001&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;2&#93; J. Kadhim and V. Crittenden, "Amazon Mechanical Turk," retrieved from Citeseer.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081898&pid=S1870-9044201100010001300002&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;3&#93; B. Pang and L. Lee, "Opinion mining and sentiment analysis," <i>Found. Trends Inf. Retr.,</i> vol. 2, pp. 1&#150;135, January 2008. &#91;Online&#93;. Available: <a href="http://portal.acm.org/citation.cfm?id=1454711.1454712" target="_blank">http://portal.acm.org/citation.cfm?id=1454711.1454712</a>.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081900&pid=S1870-9044201100010001300003&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;4&#93; J. Zhang, Y. Kawai, T. Kumamoto, and K. Tanaka, "A novel visualization method for distinction of web news sentiment," in <i>Web Information Systems Engineering &#150; WISE 2009,</i> ser. Lecture Notes in Computer Science, G. Vossen, D. Long, and J. Yu, Eds. Springer Berlin / Heidelberg, 2009, vol. 5802, pp. 181&#150;194.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081902&pid=S1870-9044201100010001300004&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;5&#93; M. L. Gregory, N. Chinchor, P. Whitney, R. Carter, E. Hetzler, and A. Turner, "User&#150;directed sentiment analysis: visualizing the affective content of documents," in <i>Proceedings of the Workshop on Sentiment and Subjectivity in Text,</i> ser. SST '06, 2006, pp. 23&#150;30.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081904&pid=S1870-9044201100010001300005&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;6&#93; R. Nallapati, "Semantic language models for topic detection and tracking," in <i>NAACLstudent '03: Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology,</i> 2003, pp. 1&#150;6.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081906&pid=S1870-9044201100010001300006&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;7&#93; S. Green, "Building hypertext links in newspaper articles using semantic similarity," in <i>Third Workshop on Applications of Natural Language to Information Systems (NLDB'97),</i> 1997, pp. 178&#150;190.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081908&pid=S1870-9044201100010001300007&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;8&#93; S. Scott and S. Matwin, "Text classification using WordNet hypernyms," in <i>Use of WordNet in Natural Language Processing Systems: Proceedings of the Conference,</i> 1998, pp. 38&#150;44.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081910&pid=S1870-9044201100010001300008&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;9&#93; A. Hotho, S. Staab, and G. Stumme, "Wordnet improves text document clustering," in <i>Proc. of the SIGIR 2003 Semantic Web Workshop.</i> Citeseer, 2003, pp. 541&#150;544.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081912&pid=S1870-9044201100010001300009&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;10&#93; J. Allan, Ed., <i>Topic detection and tracking: event&#150;based information organization.</i> Norwell, MA, USA: Kluwer Academic Publishers, 2002.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081914&pid=S1870-9044201100010001300010&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;11&#93; D. Oelke, D. Spretke, A. Stoffel, and D. A. Keim, "Visual readability analysis: How to make your writings easier to read," in <i>Proceedings of IEEE Conference on Visual Analytics Science and Technology (VAST '10),</i> 2010.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081916&pid=S1870-9044201100010001300011&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;12&#93; R. Gunning, <i>The technique of clear writing.</i> McGraw&#150;Hill, 1952.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081918&pid=S1870-9044201100010001300012&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;13&#93; J. P. Kincaid, R. P. Fishburn, R. L. Rogers, and B. S. Chissom, "Derivation of New Readability Formulas for Navy Enlisted Personnel," Naval Air Station Memphis, Research Branch Report 8&#150;75, 1975.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081920&pid=S1870-9044201100010001300013&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;14&#93; D. I. Holmes, "Authorship Attribution," <i>Computers and the Humanities, </i>vol. 28, pp. 87&#150;106, 1994.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081922&pid=S1870-9044201100010001300014&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;15&#93; D. Hoover, "Another perspective on vocabulary richness," <i>Computers and the Humanities,</i> vol. 37, pp. 151&#150;178, 2003.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081924&pid=S1870-9044201100010001300015&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;16&#93; D. Oelke, "Visual document analysis: Towards a semantic analysis of large document collections," Ph.D. dissertation, University of Konstanz, 2010.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081926&pid=S1870-9044201100010001300016&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;17&#93; D. A. Keim, J. Kohlhammer, G. Ellis, and F. Mansmann, <i>Mastering the information age&#8212;solving problems with visual analytics.</i> Eurographics Association, 2010.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081928&pid=S1870-9044201100010001300017&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;18&#93; D. A. Keim and D. Oelke, "Literature fingerprinting: A new method for visual literary analysis," in <i>Proceedings of the 2007 IEEE Symposium on Visual Analytics Science and Technology (VAST 07).</i> IEEE Computer Society, 2007, pp. 115&#150;122.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081930&pid=S1870-9044201100010001300018&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;19&#93; F. B. Viegas and M. Wattenberg, "Timelines tag clouds and the case for vernacular visualization," <i>interactions,</i> vol. 15, no. 4, pp. 49&#150;52, 2008.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081932&pid=S1870-9044201100010001300019&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;20&#93; "wordle, <a href="http://www.wordle.net/" target="_blank">http://www.wordle.net/</a>, october 31st, 2010.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081934&pid=S1870-9044201100010001300020&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref -->"</font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;21&#93; F. B. Viegas, M. Wattenberg, F. van Ham, J. Kriss, and M. McKeon, "Manyeyes: a site for visualization at internet scale," <i>IEEE Transactions on Visualization and Computer Graphics,</i> vol. 13, pp. 1121&#150;1128, 2007.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081936&pid=S1870-9044201100010001300021&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;22&#93; F. B. Viegas, M. Wattenberg, and J. Feinberg, "Participatory visualization with wordle." <i>IEEE Trans. Vis. Comput. Graph.,</i> vol. 15, no. 6, pp. 1137&#150;1144, 2009.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081938&pid=S1870-9044201100010001300022&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;23&#93; F. Wanner, M. Schaefer, F. Leitner&#150;Fischer, F. Zintgraf, M. Atkinson, and D. A. Keim, "Dynevi &#150; dynamic news entity visualization," in <i>Proceedings of the International Symposium on Visual Analytics Science and Technology (EuroVAST2010),</i> J. Kohlhammer and D. A. Keim, Eds., Jun. 2010, pp. 69&#150;74.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081940&pid=S1870-9044201100010001300023&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;24&#93; R. Vuillemot, T. Clement, C. Plaisant, and A. Kumar, "What's Being Said Near "Martha"? Exploring Name Entities in Literary Text Collections," in <i>IEEE Symposium on Visual Analytics Science and Technology (IEEE VAST),</i> Oct. 2009, pp. 107&#150;114. &#91;Online&#93;. Available: <a href="http://liris.cnrs.fr/publis/?id=4360" target="_blank">http://liris.cnrs.fr/publis/?id=4360</a>.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081942&pid=S1870-9044201100010001300024&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;25&#93; R. Senter and E. Smith, "Automated Readability Index," 1997, technical Report.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081944&pid=S1870-9044201100010001300025&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;26&#93; D. Klein, J. Smarr, H. Nguyen, and C. Manning, "Named entity recognition with character&#150;level models," in <i>Proceedings of the seventh conference on Natural language learning at HLT&#150;NAACL,</i> 2003, pp. 180&#150;183.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081946&pid=S1870-9044201100010001300026&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;27&#93; Ubiquitous Knowledge Processing (UKP) Lab, TU Darmstadt, English communication verbs, <a href="http://www.ukp.tu-darmstadt.de/fileadrnin/user_upload/Group_UKP/data/english_commurucation_verbs.txt" target="_blank">http://www.ukp.tu&#150;darmstadt.de/fileadrnin/user_upload/Group_UKP/data/english_commurucation_verbs.txt</a>.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081948&pid=S1870-9044201100010001300027&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;28&#93; H. L. Chieu and H. T. Ng, "Named entity recognition: a maximum entropy approach using global information," in <i>Proceedings of the 19th international conference on Computational linguistics,</i> 2002, pp. 1&#150;7.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081950&pid=S1870-9044201100010001300028&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;29&#93; C. Fellbaum, <i>WordNet: An electronic lexical database.</i> MIT Press, 1998.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081952&pid=S1870-9044201100010001300029&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;30&#93; "Frequency list from the brown corpus, <a href="http://www.edict.com.hk/lexiconindex/frequencylists/words2000.htm" target="_blank">http://www.edict.com.hk/lexiconindex/frequencylists/words2000.htm</a>.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081954&pid=S1870-9044201100010001300030&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref -->"</font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;31&#93; C. John, "Emotionality ratings and free&#150;association norms of 240 emotional and non&#150;emotional words," <i>Cognition &amp; Emotion,</i> vol. 2, no. 1, pp. 49&#150;70, 1988.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081956&pid=S1870-9044201100010001300031&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;32&#93; C. Ware, <i>Information Visualization: Perception for Design.</i> Morgan Kaufmann Publishers, 2004.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081958&pid=S1870-9044201100010001300032&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p> 	    <!-- ref --><p align="justify"><font face="verdana" size="2">&#91;33&#93; D. Oelke, M. Hao, C. Rohrdantz, D. Keim, U. Dayal, L. Haug, and H. Janetzko, "Visual opinion analysis of customer feedback data," in <i>Visual Analytics Science and Technology, 2009. VAST 2009. IEEE Symposium on.</i> IEEE, 2009, pp. 187&#150;194.    &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&#160;<a href="javascript:void(0);" onclick="javascript: window.open('/scielo.php?script=sci_nlinks&ref=6081960&pid=S1870-9044201100010001300033&lng=','','width=640,height=500,resizable=yes,scrollbars=1,menubar=yes,');">Links</a>&#160;]<!-- end-ref --></font></p>      ]]></body><back>
<ref-list>
<ref id="B1">
<nlm-citation citation-type="journal">
<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>
<article-title xml:lang="en"><![CDATA[Opinion Mining and Sentiment Analysis,]]></article-title>
<source><![CDATA[Foundations and Trends in Information Retrieval]]></source>
<year>2008</year>
<volume>2</volume>
<numero>1</numero><numero>2</numero>
<issue>1</issue><issue>2</issue>
<page-range>1-135</page-range></nlm-citation>
</ref>
<ref id="B2">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kadhim]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Crittenden]]></surname>
<given-names><![CDATA[V.]]></given-names>
</name>
</person-group>
<source><![CDATA[Amazon Mechanical Turk,]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B3">
<nlm-citation citation-type="journal">
<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>
<article-title xml:lang="en"><![CDATA[Opinion mining and sentiment analysis,]]></article-title>
<source><![CDATA[Found. Trends Inf. Retr.]]></source>
<year>Janu</year>
<month>ar</month>
<day>y </day>
<volume>2</volume>
<page-range>1-135</page-range></nlm-citation>
</ref>
<ref id="B4">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Zhang]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Kawai]]></surname>
<given-names><![CDATA[Y.]]></given-names>
</name>
<name>
<surname><![CDATA[Kumamoto]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Tanaka]]></surname>
<given-names><![CDATA[K.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[A novel visualization method for distinction of web news sentiment,]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Vossen]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Long]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Yu]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Web Information Systems Engineering - WISE 2009]]></source>
<year>2009</year>
<volume>5802</volume>
<page-range>181-194</page-range><publisher-name><![CDATA[Springer BerlinHeidelberg]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B5">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gregory]]></surname>
<given-names><![CDATA[M. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Chinchor]]></surname>
<given-names><![CDATA[N.]]></given-names>
</name>
<name>
<surname><![CDATA[Whitney]]></surname>
<given-names><![CDATA[P.]]></given-names>
</name>
<name>
<surname><![CDATA[Carter]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Hetzler]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
<name>
<surname><![CDATA[Turner]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[User-directed sentiment analysis: visualizing the affective content of documents,]]></article-title>
<source><![CDATA[Proceedings of the Workshop on Sentiment and Subjectivity in Text]]></source>
<year>2006</year>
<page-range>23-30</page-range></nlm-citation>
</ref>
<ref id="B6">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Nallapati]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Semantic language models for topic detection and tracking,]]></article-title>
<source><![CDATA[NAACLstudent '03: Proceedings of the 2003 Conference of the North American Chapter of the Association for Computational Linguistics on Human Language Technology]]></source>
<year>2003</year>
<page-range>1-6</page-range></nlm-citation>
</ref>
<ref id="B7">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Green]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Building hypertext links in newspaper articles using semantic similarity,]]></article-title>
<source><![CDATA[Third Workshop on Applications of Natural Language to Information Systems (NLDB'97)]]></source>
<year>1997</year>
<page-range>178-190</page-range></nlm-citation>
</ref>
<ref id="B8">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Scott]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Matwin]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Text classification using WordNet hypernyms,]]></article-title>
<source><![CDATA[Use of WordNet in Natural Language Processing Systems: Proceedings of the Conference]]></source>
<year>1998</year>
<page-range>38-44</page-range></nlm-citation>
</ref>
<ref id="B9">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hotho]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Staab]]></surname>
<given-names><![CDATA[S.]]></given-names>
</name>
<name>
<surname><![CDATA[Stumme]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Wordnet improves text document clustering,]]></article-title>
<source><![CDATA[Proc. of the SIGIR 2003 Semantic Web Workshop]]></source>
<year>2003</year>
<page-range>541-544</page-range></nlm-citation>
</ref>
<ref id="B10">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Allan]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<source><![CDATA[Topic detection and tracking: event-based information organization]]></source>
<year>2002</year>
<publisher-loc><![CDATA[Norwell^eMA MA]]></publisher-loc>
<publisher-name><![CDATA[Kluwer Academic Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B11">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oelke]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Spretke]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Stoffel]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
<name>
<surname><![CDATA[Keim]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Visual readability analysis: How to make your writings easier to read,]]></article-title>
<source><![CDATA[Proceedings of IEEE Conference on Visual Analytics Science and Technology (VAST '10)]]></source>
<year>2010</year>
</nlm-citation>
</ref>
<ref id="B12">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Gunning]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
</person-group>
<source><![CDATA[The technique of clear writing]]></source>
<year>1952</year>
<publisher-name><![CDATA[McGraw-Hill]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B13">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Kincaid]]></surname>
<given-names><![CDATA[J. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Fishburn]]></surname>
<given-names><![CDATA[R. P.]]></given-names>
</name>
<name>
<surname><![CDATA[Rogers]]></surname>
<given-names><![CDATA[R. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Chissom]]></surname>
<given-names><![CDATA[B. S.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Derivation of New Readability Formulas for Navy Enlisted Personnel,]]></article-title>
<collab>Naval Air Station Memphis</collab>
<source><![CDATA[Research Branch Report 8-75]]></source>
<year>1975</year>
</nlm-citation>
</ref>
<ref id="B14">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Holmes]]></surname>
<given-names><![CDATA[D. I.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Authorship Attribution,]]></article-title>
<source><![CDATA[Computers and the Humanities]]></source>
<year>1994</year>
<volume>28</volume>
<page-range>87-106</page-range></nlm-citation>
</ref>
<ref id="B15">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Hoover]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Another perspective on vocabulary richness,]]></article-title>
<source><![CDATA[Computers and the Humanities]]></source>
<year>2003</year>
<volume>37</volume>
<page-range>151-178</page-range></nlm-citation>
</ref>
<ref id="B16">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oelke]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Visual document analysis: Towards a semantic analysis of large document collections,]]></article-title>
<source><![CDATA[]]></source>
<year>2010</year>
<publisher-name><![CDATA[University of Konstanz]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B17">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Keim]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Kohlhammer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Ellis]]></surname>
<given-names><![CDATA[G.]]></given-names>
</name>
<name>
<surname><![CDATA[Mansmann]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
</person-group>
<source><![CDATA[Mastering the information age-solving problems with visual analytics]]></source>
<year>2010</year>
<publisher-name><![CDATA[Eurographics Association]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B18">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Keim]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
<name>
<surname><![CDATA[Oelke]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Literature fingerprinting: A new method for visual literary analysis,]]></article-title>
<source><![CDATA[Proceedings of the 2007 IEEE Symposium on Visual Analytics Science and Technology (VAST 07)]]></source>
<year>2007</year>
<page-range>115-122</page-range><publisher-name><![CDATA[IEEE Computer Society]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B19">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Viegas]]></surname>
<given-names><![CDATA[F. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Wattenberg]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Timelines tag clouds and the case for vernacular visualization,]]></article-title>
<source><![CDATA[interactions]]></source>
<year>2008</year>
<volume>15</volume>
<numero>4</numero>
<issue>4</issue>
<page-range>49-52</page-range></nlm-citation>
</ref>
<ref id="B20">
<nlm-citation citation-type="">
<source><![CDATA[wordle]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B21">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Viegas]]></surname>
<given-names><![CDATA[F. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Wattenberg]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Ham]]></surname>
<given-names><![CDATA[F. van]]></given-names>
</name>
<name>
<surname><![CDATA[Kriss]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[McKeon]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Manyeyes: a site for visualization at internet scale,]]></article-title>
<source><![CDATA[IEEE Transactions on Visualization and Computer Graphics]]></source>
<year>2007</year>
<volume>13</volume>
<page-range>1121-1128</page-range></nlm-citation>
</ref>
<ref id="B22">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Viegas]]></surname>
<given-names><![CDATA[F. B.]]></given-names>
</name>
<name>
<surname><![CDATA[Wattenberg]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Feinberg]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Participatory visualization with wordle.]]></article-title>
<source><![CDATA[IEEE Trans. Vis. Comput. Graph.]]></source>
<year>2009</year>
<volume>15</volume>
<numero>6</numero>
<issue>6</issue>
<page-range>1137-1144</page-range></nlm-citation>
</ref>
<ref id="B23">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Wanner]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Schaefer]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Leitner-Fischer]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Zintgraf]]></surname>
<given-names><![CDATA[F.]]></given-names>
</name>
<name>
<surname><![CDATA[Atkinson]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Keim]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Dynevi - dynamic news entity visualization,]]></article-title>
<person-group person-group-type="editor">
<name>
<surname><![CDATA[Kohlhammer]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Keim]]></surname>
<given-names><![CDATA[D. A.]]></given-names>
</name>
</person-group>
<source><![CDATA[Proceedings of the International Symposium on Visual Analytics Science and Technology (EuroVAST2010)]]></source>
<year>Jun.</year>
<month> 2</month>
<day>01</day>
</nlm-citation>
</ref>
<ref id="B24">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Vuillemot]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Clement]]></surname>
<given-names><![CDATA[T.]]></given-names>
</name>
<name>
<surname><![CDATA[Plaisant]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Kumar]]></surname>
<given-names><![CDATA[A.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[What's Being Said Near "Martha"? Exploring Name Entities in Literary Text Collections,]]></article-title>
<source><![CDATA[IEEE Symposium on Visual Analytics Science and Technology (IEEE VAST)]]></source>
<year>Oct.</year>
<month> 2</month>
<day>00</day>
<page-range>107-114</page-range></nlm-citation>
</ref>
<ref id="B25">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Senter]]></surname>
<given-names><![CDATA[R.]]></given-names>
</name>
<name>
<surname><![CDATA[Smith]]></surname>
<given-names><![CDATA[E.]]></given-names>
</name>
</person-group>
<source><![CDATA[Automated Readability Index,]]></source>
<year>1997</year>
</nlm-citation>
</ref>
<ref id="B26">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Klein]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Smarr]]></surname>
<given-names><![CDATA[J.]]></given-names>
</name>
<name>
<surname><![CDATA[Nguyen]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
<name>
<surname><![CDATA[Manning]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Named entity recognition with character-level models,]]></article-title>
<source><![CDATA[Proceedings of the seventh conference on Natural language learning at HLT-NAACL]]></source>
<year>2003</year>
<page-range>180-183</page-range></nlm-citation>
</ref>
<ref id="B27">
<nlm-citation citation-type="">
<source><![CDATA[Ubiquitous Knowledge Processing (UKP) Lab, TU Darmstadt, English communication verbs]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B28">
<nlm-citation citation-type="">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Chieu]]></surname>
<given-names><![CDATA[H. L.]]></given-names>
</name>
<name>
<surname><![CDATA[Ng]]></surname>
<given-names><![CDATA[H. T.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Named entity recognition: a maximum entropy approach using global information,]]></article-title>
<source><![CDATA[Proceedings of the 19th international conference on Computational linguistics]]></source>
<year>2002</year>
<page-range>1-7</page-range></nlm-citation>
</ref>
<ref id="B29">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Fellbaum]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[WordNet: An electronic lexical database]]></source>
<year>1998</year>
<publisher-name><![CDATA[MIT Press]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B30">
<nlm-citation citation-type="">
<source><![CDATA[Frequency list from the brown corpus]]></source>
<year></year>
</nlm-citation>
</ref>
<ref id="B31">
<nlm-citation citation-type="journal">
<person-group person-group-type="author">
<name>
<surname><![CDATA[John]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Emotionality ratings and free-association norms of 240 emotional and non-emotional words,]]></article-title>
<source><![CDATA[Cognition & Emotion]]></source>
<year>1988</year>
<volume>2</volume>
<numero>1</numero>
<issue>1</issue>
<page-range>49-70</page-range></nlm-citation>
</ref>
<ref id="B32">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Ware]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
</person-group>
<source><![CDATA[Information Visualization: Perception for Design]]></source>
<year>2004</year>
<publisher-name><![CDATA[Morgan Kaufmann Publishers]]></publisher-name>
</nlm-citation>
</ref>
<ref id="B33">
<nlm-citation citation-type="book">
<person-group person-group-type="author">
<name>
<surname><![CDATA[Oelke]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Hao]]></surname>
<given-names><![CDATA[M.]]></given-names>
</name>
<name>
<surname><![CDATA[Rohrdantz]]></surname>
<given-names><![CDATA[C.]]></given-names>
</name>
<name>
<surname><![CDATA[Keim]]></surname>
<given-names><![CDATA[D.]]></given-names>
</name>
<name>
<surname><![CDATA[Dayal]]></surname>
<given-names><![CDATA[U.]]></given-names>
</name>
<name>
<surname><![CDATA[Haug]]></surname>
<given-names><![CDATA[L.]]></given-names>
</name>
<name>
<surname><![CDATA[Janetzko]]></surname>
<given-names><![CDATA[H.]]></given-names>
</name>
</person-group>
<article-title xml:lang="en"><![CDATA[Visual opinion analysis of customer feedback data,]]></article-title>
<source><![CDATA[Visual Analytics Science and Technology, 2009. VAST 2009. IEEE Symposium on]]></source>
<year>2009</year>
<page-range>187-194</page-range><publisher-name><![CDATA[IEEE]]></publisher-name>
</nlm-citation>
</ref>
</ref-list>
</back>
</article>
