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Advancing Uto-Aztecan Language Technologies: A Case Study on the Endangered Comanche Language

2025/05/10 by C, Jesus Alvarez, Karajeanes, Daua D., Prado, Ashley Celeste +5
#Computation and Language (cs.CL) #FOS: Computer and information sciences #H.3.1 #I.2.7 #Machine Learning (cs.LG)

paper · doi:10.48550/arxiv.2505.18159

Abstract

The digital exclusion of endangered languages remains a critical challenge in NLP, limiting both linguistic research and revitalization efforts. This study introduces the first computational investigation of Comanche, an Uto-Aztecan language on the verge of extinction, demonstrating how minimal-cost, community-informed NLP interventions can support language preservation. We present a manually curated dataset of 412 phrases, a synthetic data generation pipeline, and an empirical evaluation of GPT-4o and GPT-4o-mini for language identification. Our experiments reveal that while LLMs struggle with Comanche in zero-shot settings, few-shot prompting significantly improves performance, achieving near-perfect accuracy with just five examples. Our findings highlight the potential of targeted NLP methodologies in low-resource contexts and emphasize that visibility is the first step toward inclusion. By establishing a foundation for Comanche in NLP, we advocate for computational approaches that prioritize accessibility, cultural sensitivity, and community engagement.

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