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ACL
2009
14 years 8 months ago
Phrase Clustering for Discriminative Learning
We present a simple and scalable algorithm for clustering tens of millions of phrases and use the resulting clusters as features in discriminative classifiers. To demonstrate the ...
Dekang Lin, Xiaoyun Wu
109
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ACL
2009
14 years 8 months ago
A Syntax-Free Approach to Japanese Sentence Compression
Conventional sentence compression methods employ a syntactic parser to compress a sentence without changing its meaning. However, the reference compressions made by humans do not ...
Tsutomu Hirao, Jun Suzuki, Hideki Isozaki
ACL
2009
14 years 8 months ago
Bayesian Unsupervised Word Segmentation with Nested Pitman-Yor Language Modeling
In this paper, we propose a new Bayesian model for fully unsupervised word segmentation and an efficient blocked Gibbs sampler combined with dynamic programming for inference. Our...
Daichi Mochihashi, Takeshi Yamada, Naonori Ueda
ACL
2009
14 years 8 months ago
K-Best A* Parsing
A parsing makes 1-best search efficient by suppressing unlikely 1-best items. Existing kbest extraction methods can efficiently search for top derivations, but only after an exhau...
Adam Pauls, Dan Klein
ACL
2009
14 years 8 months ago
Knowing the Unseen: Estimating Vocabulary Size over Unseen Samples
Empirical studies on corpora involve making measurements of several quantities for the purpose of comparing corpora, creating language models or to make generalizations about spec...
Suma Bhat, Richard Sproat