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Optimizing over subsequences generates context-sensitive languages

Lamont, Andrew; (2021) Optimizing over subsequences generates context-sensitive languages. Transactions of the Association for Computational Linguistics , 9 pp. 528-537. 10.1162/tacl_a_00382. Green open access

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Abstract

Phonological generalizations are finite-state. While Optimality Theory is a popular framework for modeling phonology, it is known to generate non-finite-state mappings and languages. This paper demonstrates that Optimality Theory is capable of generating non-context-free languages, contributing to the characterization of its generative capacity. This is achieved with minimal modification to the theory as it is standardly employed.

Type: Article
Title: Optimizing over subsequences generates context-sensitive languages
Open access status: An open access version is available from UCL Discovery
DOI: 10.1162/tacl_a_00382
Publisher version: https://doi.org/10.1162/tacl_a_00382
Language: English
Additional information: © 2021 Association for Computational Linguistics. Distributed under a CC-BY 4.0 license (https://creativecommons.org/licenses/by/4.0/legalcode).
UCL classification: UCL
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences
UCL > Provost and Vice Provost Offices > School of Life and Medical Sciences > Faculty of Brain Sciences > Div of Psychology and Lang Sciences > Linguistics
URI: https://discovery.ucl.ac.uk/id/eprint/10212500
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