Difference between revisions of "POS Induction (State of the art)"

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== References ==
 
== References ==
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* [http://aclweb.org/anthology//D/D12/D12-1086.pdf Mehmet Ali Yatbaz, Enis Sert and Deniz Yuret. 2012. Learning Syntactic Categories Using Paradigmatic Representations of Word Context. In Proceedings of EMNLP 2012, pages 940-951.]
  
 
* [http://www.aclweb.org/anthology/D/D10/D10-1056.pdf Christos Christodoulopoulos, Sharon Goldwater and Mark Steedman. 2010. Two Decades of Unsupervised POS induction: How far have we come? In Proceedings of EMNLP 2010.]
 
* [http://www.aclweb.org/anthology/D/D10/D10-1056.pdf Christos Christodoulopoulos, Sharon Goldwater and Mark Steedman. 2010. Two Decades of Unsupervised POS induction: How far have we come? In Proceedings of EMNLP 2010.]
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* [http://www.aclweb.org/anthology/E/E03/E03-1009.pdf Alexander Clark. 2003. Combining distributional and morphological information for part of speech induction. In Proceedings of EACL 2003, pages 59–66, Morristown, NJ, USA.]
 
* [http://www.aclweb.org/anthology/E/E03/E03-1009.pdf Alexander Clark. 2003. Combining distributional and morphological information for part of speech induction. In Proceedings of EACL 2003, pages 59–66, Morristown, NJ, USA.]
 
* [http://aclweb.org/anthology//D/D12/D12-1086.pdf Mehmet Ali Yatbaz, Enis Sert and Deniz Yuret. 2012. Learning Syntactic Categories Using Paradigmatic Representations of Word Context. In Proceedings of EMNLP 2012, pages 940-951.]
 
  
 
== See also ==
 
== See also ==

Revision as of 05:14, 23 October 2013

Evaluation

Many-to-1: Map every induced label to a gold standard tag greedily (45 labels to 45 tags of the Penn tag set). Use the mapping to compute tag accuracy on the Wall Street Journal portion of the Penn TreeBank.

Results

System name Short description Main publications Software Many-to-1
UPOS Learning Syntactic Categories Using Paradigmatic Representations of Word Context Yatbaz et al. (2012) upos 80.2%
Brown+proto MRF initialized with Brown prototypes Christodoulopoulos, Goldwater and Steedman (2010) 76.1%
Logistic regression with features and LBFGS Berg-Kirkpatrick et al. (2010) 75.5%
Clark DMF Distributional clustering + morphology + frequency Clark (2003) alexc 71.2%*

* according to Christodoulopoulos, Goldwater and Steedman (2010)

References

See also