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» Sparsity in Dependency Grammar Induction
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ACL
2010
13 years 3 months ago
Sparsity in Dependency Grammar Induction
A strong inductive bias is essential in unsupervised grammar induction. We explore a particular sparsity bias in dependency grammars that encourages a small number of unique depen...
Jennifer Gillenwater, Kuzman Ganchev, João ...
JMLR
2011
105views more  JMLR 2011»
12 years 12 months ago
Posterior Sparsity in Unsupervised Dependency Parsing
A strong inductive bias is essential in unsupervised grammar induction. In this paper, we explore a particular sparsity bias in dependency grammars that encourages a small number ...
Jennifer Gillenwater, Kuzman Ganchev, João ...
EMNLP
2010
13 years 2 months ago
Unsupervised Induction of Tree Substitution Grammars for Dependency Parsing
Inducing a grammar directly from text is one of the oldest and most challenging tasks in Computational Linguistics. Significant progress has been made for inducing dependency gram...
Phil Blunsom, Trevor Cohn
LREC
2010
150views Education» more  LREC 2010»
13 years 6 months ago
The Impact of Grammar Enhancement on Semantic Resources Induction
In this paper describes the effects of the evolution of an Italian dependency grammar on a task of multilingual FrameNet acquisition. The task is based on the creation of virtual ...
Luca Dini, Giampaolo Mazzini
NIPS
2008
13 years 6 months ago
Logistic Normal Priors for Unsupervised Probabilistic Grammar Induction
We explore a new Bayesian model for probabilistic grammars, a family of distributions over discrete structures that includes hidden Markov models and probabilistic context-free gr...
Shay B. Cohen, Kevin Gimpel, Noah A. Smith