To What Extent Do Large Language Models Understand Bangla Idioms?
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Computer Science > Computation and Language
Title:To What Extent Do Large Language Models Understand Bangla Idioms?
Abstract:Idiomatic expressions are an integral part of natural language, reflecting cultural nuances and posing unique challenges for computational models, particularly in low-resource languages. In this paper, we present the first large-scale benchmark dataset of Bangla idioms, complemented by a synthetic multiple-choice question (MCQ) dataset for idiom meaning identification. We conduct a comprehensive evaluation of recent large language models (LLMs) across three idiom-related tasks: paraphrasing, idiom span detection, and meaning identification, leveraging zero-shot and few-shot prompting strategies. Our results reveal substantial variability in model performance, with no single LLM consistently outperforming others across all tasks. Notably, Phi-4-mini-instruct excels in paraphrasing, Kimi-K2-32b-instruct in span detection, and Gemini-2.5-flash in meaning identification. We believe that our datasets and analyses will provide valuable resources to guide future research in improving LLM comprehension of idiomatic expressions, particularly in Bangla and other low-resource languages.
| Subjects: | Computation and Language (cs.CL) |
| Cite as: | arXiv:2609.03410 [cs.CL] |
| (or arXiv:2609.03410v1 [cs.CL] for this version) | |
| https://doi.org/10.48550/arXiv.2609.03410
arXiv-issued DOI via DataCite (pending registration)
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