Script Normalization for Unconventional Writing of Under-Resourced Languages in Bilingual Communities

• URL: http://arxiv.org/abs/2305.16407v1
• Date: Thu, 25 May 2023 18:18:42 GMT
• Title: Script Normalization for Unconventional Writing of Under-Resourced Languages in Bilingual Communities
• Authors: Sina Ahmadi and Antonios Anastasopoulos
• Abstract summary: Social media has provided linguistically under-represented communities with an extraordinary opportunity to create content in their native languages. This paper addresses the problem of script normalization for several such languages that are mainly written in a Perso-Arabic script. Using synthetic data with various levels of noise and a transformer-based model, we demonstrate that the problem can be effectively remediated.
• Score: 36.578851892373365
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: The wide accessibility of social media has provided linguistically under-represented communities with an extraordinary opportunity to create content in their native languages. This, however, comes with certain challenges in script normalization, particularly where the speakers of a language in a bilingual community rely on another script or orthography to write their native language. This paper addresses the problem of script normalization for several such languages that are mainly written in a Perso-Arabic script. Using synthetic data with various levels of noise and a transformer-based model, we demonstrate that the problem can be effectively remediated. We conduct a small-scale evaluation of real data as well. Our experiments indicate that script normalization is also beneficial to improve the performance of downstream tasks such as machine translation and language identification.

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