Challenge: Existing methods for MC focus on quantization and network pruning.
Approach: They propose a calibration method that samples calibration data from various languages proportionally to the language distribution of the model training datasets.
Outcome: The proposed method improves the performance of existing English-centric compression methods on the BLOOM multilingual LLM.

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Challenge: Recent multilingual models support limited number of human languages due to lack of training data for low resource languages.
Approach: They propose a multilingual multilingual LLM that scales to 100 languages . they use a human feedback dataset and a data set to perform multilingual instruction tuning .
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VEEF-Multi-LLM: Effective Vocabulary Expansion and Parameter Efficient Finetuning Towards Multilingual Large Language Models (2025.coling-main)

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Challenge: Large Language Models (LLMs) have a significant disadvantage for low-resource languages . VEEF-Multi-LLM-8B excels in multilingual instruction-following tasks .
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Everything you need to know about Multilingual LLMs: Towards fair, performant and reliable models for languages of the world (2023.acl-tutorials)

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Challenge: Responsible AI issues such as fairness, bias and toxicity will be discussed in this tutorial .
Approach: This tutorial will describe various aspects of scaling up language technologies to many of the world’s languages by describing the latest research in Massively Multilingual Language Models (MMLMs).
Outcome: This tutorial will cover various aspects of scaling up language technologies to many of the world's languages by describing the latest research in multilingual models.
Comparing Text Compression Capabilities of Large Language Models with Traditional Compression Algorithms (2026.eacl-srw)

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Challenge: Experimental results show that large language models outperform baselines on non-English datasets . traditional methods remained dataset-agnostic, and the results suggest that current methods are impractical for the compression task.
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Optimizing Language Augmentation for Multilingual Large Language Models: A Case Study on Korean (2024.lrec-main)

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Challenge: Large language models (LLMs) use pretraining to predict the subsequent word, but less-resourced languages are being overlooked.
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Investigating the Multilingual Calibration Effects of Language Model Instruction Tuning (2026.eacl-short)

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Challenge: despite advances in foundation model research, the relationship between large language models and their calibration remains an open area of research.
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Are Large Language Model-based Evaluators the Solution to Scaling Up Multilingual Evaluation? (2024.findings-eacl)

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Challenge: Large Language Models (LLMs) excel in various tasks, but their evaluation, especially in languages beyond the top 20, remains inadequate due to existing benchmarks and metrics limitations.
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Data and Model Centric Approaches for Expansion of Large Language Models to New languages (2025.emnlp-tutorials)

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Challenge: Existing LLMs mainly support English alongside a handful of high resource languages . this leaves a major gap for most low-resource languages despite increasing pace of research .
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Teaching a Multilingual Large Language Model to Understand Multilingual Speech via Multi-Instructional Training (2024.findings-naacl)

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Challenge: Recent advances in language modeling have led to the emergence of large language models capable ofvarious natural language processing tasks.
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X-LLaVA: Optimizing Bilingual Large Vision-Language Alignment (2024.findings-naacl)

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Challenge: constructing multilingual data for large multimodal models presents its own set of challenges due to language diversity and complexity.
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