16 search results - page 2 / 4 » Sparsity in Dependency Grammar Induction |
EMNLP
2011
12 years 4 months ago
2011
We present new training methods that aim to mitigate local optima and slow convergence in unsupervised training by using additional imperfect objectives. In its simplest form, lat...
ACL
2009
13 years 2 months ago
2009
ACL
2006
13 years 6 months ago
2006
We first show how a structural locality bias can improve the accuracy of state-of-the-art dependency grammar induction models trained by EM from unannotated examples (Klein and Ma...
NAACL
2010
13 years 2 months ago
2010
Adaptor grammars extend probabilistic context-free grammars to define prior distributions over trees with "rich get richer" dynamics. Inference for adaptor grammars seek...
JMLR
2010
12 years 11 months ago
2010
Inducing a grammar from text has proven to be a notoriously challenging learning task despite decades of research. The primary reason for its difficulty is that in order to induce...