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	<id>https://www.aclweb.org/aclwiki/api.php?action=feedcontributions&amp;feedformat=atom&amp;user=Rdorado</id>
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	<updated>2026-04-11T02:15:32Z</updated>
	<subtitle>User contributions</subtitle>
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	<entry>
		<id>https://www.aclweb.org/aclwiki/index.php?title=Part-of-speech_tagging&amp;diff=6365</id>
		<title>Part-of-speech tagging</title>
		<link rel="alternate" type="text/html" href="https://www.aclweb.org/aclwiki/index.php?title=Part-of-speech_tagging&amp;diff=6365"/>
		<updated>2009-03-09T08:49:13Z</updated>

		<summary type="html">&lt;p&gt;Rdorado: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&#039;&#039;&#039;Part-of-speech tagging&#039;&#039;&#039; is the task of assigning a part-of-speech tag to each word in a given text.&lt;br /&gt;
&lt;br /&gt;
:&amp;lt;math&amp;gt;u&#039; = u^2\,&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==History==&lt;br /&gt;
&lt;br /&gt;
==Further reading==&lt;br /&gt;
&lt;br /&gt;
==Software==&lt;br /&gt;
*[http://danieldk.org/Code/Citar Citar] - uses [http://en.wikipedia.org/wiki/Trigram trigram]-based [http://en.wikipedia.org/wiki/Hidden_Markov_model HMM]s.  Free, open source license.&lt;br /&gt;
*[http://crfpp.sourceforge.net CRF++] - uses [http://en.wikipedia.org/wiki/Conditional_random_field Conditional random fields]. Free, open source license.&lt;br /&gt;
*[http://crftagger.sourceforge.net CRFTagger] - for English.  Free, open source license.&lt;br /&gt;
*[http://sourceforge.net/projects/gposttl GPoSTTL] - Enhanced [http://en.wikipedia.org/wiki/Brill_tagger TBL] tagger for English.  Open source license.&lt;br /&gt;
*[http://code.google.com/p/hunpos/ HunPos] - uses trigram-based HMMs.  Free, open source license.&lt;br /&gt;
*[http://l2r.cs.uiuc.edu/~cogcomp/asoftware.php?skey=FLBJPOS LBJ POS Tagger] - Uses Averaged [http://en.wikipedia.org/wiki/Perceptron Perceptron] based sequential model. Java API, Free, open source license.&lt;br /&gt;
*[http://ilk.uvt.nl/mbt Memory-based tagger] (MBT) - uses [http://ilk.uvt.nl/timbl TiMBL].  Free, open source license.&lt;br /&gt;
*[http://nlp.stanford.edu/software/tagger.shtml Stanford Tagger] - uses [http://en.wikipedia.org/wiki/Logistic_regression Maximum entropy models].  Free, open source license.&lt;br /&gt;
*[http://www.lsi.upc.es/~nlp/SVMTool SVMTool] - uses [http://en.wikipedia.org/wiki/Support_vector_machine Support vector machines].  Free, open source license.&lt;br /&gt;
&lt;br /&gt;
==See also==&lt;br /&gt;
*[[POS Tagging (State of the art)]]&lt;br /&gt;
&lt;br /&gt;
==External links==&lt;br /&gt;
*[http://en.wikipedia.org/wiki/Part-of-speech_tagging Wikipedia article on POS tagging]&lt;br /&gt;
&lt;br /&gt;
[[Category:Morphology]]&lt;br /&gt;
[[Category:Syntax]]&lt;br /&gt;
[[Category:Software]]&lt;/div&gt;</summary>
		<author><name>Rdorado</name></author>
	</entry>
	<entry>
		<id>https://www.aclweb.org/aclwiki/index.php?title=Part-of-speech_tagging&amp;diff=6364</id>
		<title>Part-of-speech tagging</title>
		<link rel="alternate" type="text/html" href="https://www.aclweb.org/aclwiki/index.php?title=Part-of-speech_tagging&amp;diff=6364"/>
		<updated>2009-03-09T08:48:36Z</updated>

		<summary type="html">&lt;p&gt;Rdorado: &lt;/p&gt;
&lt;hr /&gt;
&lt;div&gt;&#039;&#039;&#039;Part-of-speech tagging&#039;&#039;&#039; is the task of assigning a part-of-speech tag to each word in a given text.&lt;br /&gt;
&lt;br /&gt;
&amp;lt;math&amp;gt;u&#039; = u^2\,&amp;lt;/math&amp;gt;&lt;br /&gt;
&lt;br /&gt;
==History==&lt;br /&gt;
&lt;br /&gt;
==Further reading==&lt;br /&gt;
&lt;br /&gt;
==Software==&lt;br /&gt;
*[http://danieldk.org/Code/Citar Citar] - uses [http://en.wikipedia.org/wiki/Trigram trigram]-based [http://en.wikipedia.org/wiki/Hidden_Markov_model HMM]s.  Free, open source license.&lt;br /&gt;
*[http://crfpp.sourceforge.net CRF++] - uses [http://en.wikipedia.org/wiki/Conditional_random_field Conditional random fields]. Free, open source license.&lt;br /&gt;
*[http://crftagger.sourceforge.net CRFTagger] - for English.  Free, open source license.&lt;br /&gt;
*[http://sourceforge.net/projects/gposttl GPoSTTL] - Enhanced [http://en.wikipedia.org/wiki/Brill_tagger TBL] tagger for English.  Open source license.&lt;br /&gt;
*[http://code.google.com/p/hunpos/ HunPos] - uses trigram-based HMMs.  Free, open source license.&lt;br /&gt;
*[http://l2r.cs.uiuc.edu/~cogcomp/asoftware.php?skey=FLBJPOS LBJ POS Tagger] - Uses Averaged [http://en.wikipedia.org/wiki/Perceptron Perceptron] based sequential model. Java API, Free, open source license.&lt;br /&gt;
*[http://ilk.uvt.nl/mbt Memory-based tagger] (MBT) - uses [http://ilk.uvt.nl/timbl TiMBL].  Free, open source license.&lt;br /&gt;
*[http://nlp.stanford.edu/software/tagger.shtml Stanford Tagger] - uses [http://en.wikipedia.org/wiki/Logistic_regression Maximum entropy models].  Free, open source license.&lt;br /&gt;
*[http://www.lsi.upc.es/~nlp/SVMTool SVMTool] - uses [http://en.wikipedia.org/wiki/Support_vector_machine Support vector machines].  Free, open source license.&lt;br /&gt;
&lt;br /&gt;
==See also==&lt;br /&gt;
*[[POS Tagging (State of the art)]]&lt;br /&gt;
&lt;br /&gt;
==External links==&lt;br /&gt;
*[http://en.wikipedia.org/wiki/Part-of-speech_tagging Wikipedia article on POS tagging]&lt;br /&gt;
&lt;br /&gt;
[[Category:Morphology]]&lt;br /&gt;
[[Category:Syntax]]&lt;br /&gt;
[[Category:Software]]&lt;/div&gt;</summary>
		<author><name>Rdorado</name></author>
	</entry>
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