POS Induction (State of the art)

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| Logistic regression with features and LBFGS
 
| Logistic regression with features and LBFGS
 
| Berg-Kirkpatrick et al. (2010)
 
| Berg-Kirkpatrick et al. (2010)
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| [http://www.thai-sbobet.com sbobet]
 
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Revision as of 04:57, 25 June 2012

Contents

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
Brown+proto MRF initialized with Brown prototypes Christodoulopoulos, Goldwater and Steedman (2010) sbo 76.1%
Logistic regression with features and LBFGS Berg-Kirkpatrick et al. (2010) sbobet 75.5%
Clark DMF Distributional clustering + morphology + frequency Clark (2003) alexc 71.2%*

* according to Christodoulopoulos, Goldwater and Steedman (2010)

References

See also

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