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Adaptor Grammars for the Linguist: Word Segmentation Experiments for Very Low-Resource Languages
Abstract : Computational Language Documentation attempts to make the most recent research in speech and language technologies available to linguists working on language preservation and documentation. In this paper, we pursue two main goals along these lines. The first is to improve upon a strong baseline for the unsupervised word discovery task on two very low-resource Bantu languages, taking advantage of the expertise of linguists on these particular languages. The second consists in exploring the Adaptor Grammar framework as a decision and prediction tool for linguists studying a new language. We experiment 162 grammar configurations for each language and show that using Adaptor Grammars for word segmentation enables us to test hypotheses about a language. Specializing a generic grammar with language specific knowledge leads to great improvements for the word discovery task, ultimately achieving a leap of about 30% token F-score from the results of a strong baseline.
Keywords :
Unsupervised word segmentation
adaptor grammars
Cited literature [23 references]
https://hal.archives-ouvertes.fr/hal-01910757
Contributor : Limsi Publications Connect in order to contact the contributor
Submitted on : Thursday, November 1, 2018 - 9:48:07 PM
Last modification on : Tuesday, January 4, 2022 - 4:50:03 AM
Long-term archiving on: : Saturday, February 2, 2019 - 2:06:27 PM
Contributor : Limsi Publications Connect in order to contact the contributor
Submitted on : Thursday, November 1, 2018 - 9:48:07 PM
Last modification on : Tuesday, January 4, 2022 - 4:50:03 AM
Long-term archiving on: : Saturday, February 2, 2019 - 2:06:27 PM
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