Difference between revisions of "Part-of-speech tagging"
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*[http://crfpp.sourceforge.net CRF++] - uses [[Conditional random fields]]. Free, open source license. | *[http://crfpp.sourceforge.net CRF++] - uses [[Conditional random fields]]. Free, open source license. | ||
*[http://crftagger.sourceforge.net CRFTagger] - for English. Free, open source license. | *[http://crftagger.sourceforge.net CRFTagger] - for English. Free, open source license. | ||
| + | *[http://code.google.com/p/hunpos/ Hunpos] - uses [[trigram]]-based [[HMM]]s. Free, open source license. | ||
*[http://www.lsi.upc.es/~nlp/SVMTool SVMTool] - uses [[Support vector machines]]. Free, open source license. | *[http://www.lsi.upc.es/~nlp/SVMTool SVMTool] - uses [[Support vector machines]]. Free, open source license. | ||
*[http://nlp.stanford.edu/software/tagger.shtml Stanford Tagger] - uses [[Maximum entropy model]]s. Free, open source license. | *[http://nlp.stanford.edu/software/tagger.shtml Stanford Tagger] - uses [[Maximum entropy model]]s. Free, open source license. | ||
Revision as of 11:58, 2 November 2008
Part-of-speech tagging is the task of assigning a part-of-speech tag to each word in a given text.
History
Further reading
Software
- CRF++ - uses Conditional random fields. Free, open source license.
- CRFTagger - for English. Free, open source license.
- Hunpos - uses trigram-based HMMs. Free, open source license.
- SVMTool - uses Support vector machines. Free, open source license.
- Stanford Tagger - uses Maximum entropy models. Free, open source license.