Advancing Sentiment Analysis in Tamil-English Code-Mixed Texts: Challenges and Transformer-Based Solutions

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Hauptverfasser: Krasitskii, Mikhail, Kolesnikova, Olga, Hernandez, Liliana Chanona, Sidorov, Grigori, Gelbukh, Alexander
Format: Preprint
Veröffentlicht: 2025
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author Krasitskii, Mikhail
Kolesnikova, Olga
Hernandez, Liliana Chanona
Sidorov, Grigori
Gelbukh, Alexander
author_facet Krasitskii, Mikhail
Kolesnikova, Olga
Hernandez, Liliana Chanona
Sidorov, Grigori
Gelbukh, Alexander
contents The sentiment analysis task in Tamil-English code-mixed texts has been explored using advanced transformer-based models. Challenges from grammatical inconsistencies, orthographic variations, and phonetic ambiguities have been addressed. The limitations of existing datasets and annotation gaps have been examined, emphasizing the need for larger and more diverse corpora. Transformer architectures, including XLM-RoBERTa, mT5, IndicBERT, and RemBERT, have been evaluated in low-resource, code-mixed environments. Performance metrics have been analyzed, highlighting the effectiveness of specific models in handling multilingual sentiment classification. The findings suggest that further advancements in data augmentation, phonetic normalization, and hybrid modeling approaches are required to enhance accuracy. Future research directions for improving sentiment analysis in code-mixed texts have been proposed.
format Preprint
id arxiv_https___arxiv_org_abs_2503_23295
institution arXiv
publishDate 2025
record_format arxiv
spellingShingle Advancing Sentiment Analysis in Tamil-English Code-Mixed Texts: Challenges and Transformer-Based Solutions
Krasitskii, Mikhail
Kolesnikova, Olga
Hernandez, Liliana Chanona
Sidorov, Grigori
Gelbukh, Alexander
Computation and Language
The sentiment analysis task in Tamil-English code-mixed texts has been explored using advanced transformer-based models. Challenges from grammatical inconsistencies, orthographic variations, and phonetic ambiguities have been addressed. The limitations of existing datasets and annotation gaps have been examined, emphasizing the need for larger and more diverse corpora. Transformer architectures, including XLM-RoBERTa, mT5, IndicBERT, and RemBERT, have been evaluated in low-resource, code-mixed environments. Performance metrics have been analyzed, highlighting the effectiveness of specific models in handling multilingual sentiment classification. The findings suggest that further advancements in data augmentation, phonetic normalization, and hybrid modeling approaches are required to enhance accuracy. Future research directions for improving sentiment analysis in code-mixed texts have been proposed.
title Advancing Sentiment Analysis in Tamil-English Code-Mixed Texts: Challenges and Transformer-Based Solutions
topic Computation and Language
url https://arxiv.org/abs/2503.23295