TASK	DATASET	MODEL	METRIC NAME	METRIC VALUE	GLOBAL RANK	REMOVE
Unsupervised Dependency Parsing	Penn Treebank	Shared Logistic Normal DMV	UAS	41.4	# 4

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Shared Logistic Normal Distributions for Soft Parameter Tying in Unsupervised Grammar Induction

1 Jun 2009 • Shay Cohen • Noah A. Smith

We present a family of priors over probabilistic grammar weights, called the shared logistic normal distribution. This family extends the partitioned logistic normal distribution, enabling factored covariance between the probabilities of different derivation events in the probabilistic grammar, providing a new way to encode prior knowledge about an unknown grammar... (read more)

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