Difference between revisions of "Part-of-speech tagging"
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'''Part-of-speech tagging''' is the task of assigning a part-of-speech tag to each word in a given text. | '''Part-of-speech tagging''' is the task of assigning a part-of-speech tag to each word in a given text. | ||
− | <math>u' = u^2\,</math> | + | :<math>u' = u^2\,</math> |
==History== | ==History== |
Revision as of 02:49, 9 March 2009
Part-of-speech tagging is the task of assigning a part-of-speech tag to each word in a given text.
- <math>u' = u^2\,</math>
History
Further reading
Software
- Citar - uses trigram-based HMMs. Free, open source license.
- CRF++ - uses Conditional random fields. Free, open source license.
- CRFTagger - for English. Free, open source license.
- GPoSTTL - Enhanced TBL tagger for English. Open source license.
- HunPos - uses trigram-based HMMs. Free, open source license.
- LBJ POS Tagger - Uses Averaged Perceptron based sequential model. Java API, Free, open source license.
- Memory-based tagger (MBT) - uses TiMBL. Free, open source license.
- Stanford Tagger - uses Maximum entropy models. Free, open source license.
- SVMTool - uses Support vector machines. Free, open source license.