Extending the Use of Adaptor Grammars for Unsupervised Morphological Segmentation of Unseen Languages

COLING 2016  ·  Esk, Ramy er, Owen Rambow, Tianchun Yang ·

We investigate using Adaptor Grammars for unsupervised morphological segmentation. Using six development languages, we investigate in detail different grammars, the use of morphological knowledge from outside sources, and the use of a cascaded architecture. Using cross-validation on our development languages, we propose a system which is language-independent. We show that it outperforms two state-of-the-art systems on 5 out of 6 languages.

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