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ACL
2012
13 years 15 days ago
2012
We introduce a spectral learning algorithm for latent-variable PCFGs (Petrov et al., 2006). Under a separability (singular value) condition, we prove that the method provides cons...
ACL
2012
13 years 15 days ago
2012
Since we can ‘spin’ words and concepts to suit our affective needs, context is a major determinant of the perceived affect of a word or concept. We view this re-profiling as a...
ACL
2012
13 years 15 days ago
2012
We propose a probabilistic generative model for unsupervised semantic role induction, which integrates local role assignment decisions and a global role ordering decision in a uni...
ACL
2012
13 years 15 days ago
2012
We seek to automatically estimate typical durations for events and habits described in Twitter tweets. A corpus of more than 14 million tweets containing temporal duration informa...
ACL
2012
13 years 15 days ago
2012
We propose several techniques for improving statistical machine translation between closely-related languages with scarce resources. We use character-level translation trained on ...