POS Induction (State of the art)
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Evaluation
Many-to-1: Mapping every induced label to a gold standard tag greedily. Use the mapping to compute tag accuracy on the Wall Street Journal part 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) | 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)