CRFOptimizableByEntropyRegularization |
A CRF objective function that is the entropy of the CRF's
predictions on unlabeled data.
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CRFOptimizableByGE |
Optimizable for CRF using Generalized Expectation constraints that
consider either a single label or a pair of labels of a linear chain CRF.
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CRFTrainerByEntropyRegularization |
A CRF trainer that maximizes the log-likelihood plus
a weighted entropy regularization term on unlabeled
data.
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CRFTrainerByGE |
Trains a CRF using Generalized Expectation constraints that
consider either a single label or a pair of labels of a linear chain CRF.
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CRFTrainerByLikelihoodAndGE |
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EntropyLattice |
Runs subsequence constrained forward-backward to compute the entropy of label
sequences.
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FSTConstraintUtil |
Expectation constraint utilities for fst package.
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GELattice |
Runs the dynamic programming algorithm of [Mann and McCallum 08] for
computing the gradient of a Generalized Expectation constraint that
considers a single label of a linear chain CRF.
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StateLabelMap |
Maps states in the lattice to labels.
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