BETA-Labeling for Multilingual Dataset Construction in Low-Resource IR

• URL: http://arxiv.org/abs/2602.14488v2
• Date: Sun, 22 Feb 2026 17:20:42 GMT
• Title: BETA-Labeling for Multilingual Dataset Construction in Low-Resource IR
• Authors: Md. Najib Hasan, Mst. Jannatun Ferdous Rain, Fyad Mohammed, Nazmul Siddique,
• Abstract summary: This work presents a Bangla IR dataset constructed using a BETA-labeling framework.<n>We examine whether IR datasets from other low-resource languages can be effectively reused through one-hop machine translation.
• Score: 0.06363400715351396
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: IR in low-resource languages remains limited by the scarcity of high-quality, task-specific annotated datasets. Manual annotation is expensive and difficult to scale, while using large language models (LLMs) as automated annotators introduces concerns about label reliability, bias, and evaluation validity. This work presents a Bangla IR dataset constructed using a BETA-labeling framework involving multiple LLM annotators from diverse model families. The framework incorporates contextual alignment, consistency checks, and majority agreement, followed by human evaluation to verify label quality. Beyond dataset creation, we examine whether IR datasets from other low-resource languages can be effectively reused through one-hop machine translation. Using LLM-based translation across multiple language pairs, we experimented on meaning preservation and task validity between source and translated datasets. Our experiment reveal substantial variation across languages, reflecting language-dependent biases and inconsistent semantic preservation that directly affect the reliability of cross-lingual dataset reuse. Overall, this study highlights both the potential and limitations of LLM-assisted dataset creation for low-resource IR. It provides empirical evidence of the risks associated with cross-lingual dataset reuse and offers practical guidance for constructing more reliable benchmarks and evaluation pipelines in low-resource language settings.

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