Spectral Learning of Latent-Variable PCFGs

Shay B. Cohen, Karl Stratos, Michael Collins, Dean P. Foster, Lyle Ungar

Research output: Chapter in Book/Report/Conference proceedingConference contribution


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 consistent parameter estimates.
Original languageEnglish
Title of host publicationProceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers)
Place of PublicationJeju Island, Korea
PublisherAssociation for Computational Linguistics
Number of pages9
Publication statusPublished - 1 Jul 2012


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