| Challenge: | Massively Multilingual Language Models (MMLMs) have gained popularity due to their effectiveness in cross-lingual transfer. |
| Approach: | They investigate how well calibrated MMLMs are with respect to confidence . they find that calibration methods like temperature scaling and label smoothing improve calibration . |
| Outcome: | The proposed models are able to generalize in languages unseen during fine-tuning, but they are not reliable across languages. |
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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. |
Towards a Common Understanding of Contributing Factors for Cross-Lingual Transfer in Multilingual Language Models: A Review (2023.acl-long)
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| Challenge: | Pre-trained Multilingual Language Models have shown a strong ability to transfer knowledge across languages. |
| Approach: | They examine factors contributing to the ability of MLLMs to perform zero-shot cross-lingual transfer . they identify consensuses among studies with consistent findings and resolve conflicts . |
| Outcome: | The authors outline and discuss factors that contribute to the ability of MLLMs to perform zero-shot cross-lingual transfer. |
Explainability and Interpretability of Multilingual Large Language Models: A Survey (2025.emnlp-main)
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| Challenge: | Existing literature on multilingual large language models lacks transparency in their internal processes. |
| Approach: | They propose to use multilingual large language models to examine their explainability and interpretability methods. |
| Outcome: | The present study examines the explainability and interpretability of multilingual large language models. |
Investigating the Multilingual Calibration Effects of Language Model Instruction Tuning (2026.eacl-short)
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Jerry Huang, Peng Lu, Qiuhao Zeng, Yusuke Iwasawa, Yutaka Matsuo, Sarath Chandar, Edison Marrese-Taylor, Irene Li
| Challenge: | despite advances in foundation model research, the relationship between large language models and their calibration remains an open area of research. |
| Approach: | They examine a gap in the calibration of large language models within multilingual settings to better understand how data scarcity can potentially lead to different calibration effects. |
| Outcome: | The proposed calibration gap is found in two multilingual benchmarks over 29 and 42 languages. |
Calibrating Zero-shot Cross-lingual (Un-)structured Predictions (2022.emnlp-main)
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| Challenge: | Existing need for model calibration when natural language models are deployed in critical tasks. |
| Approach: | They compare model calibration methods in a context of zero-shot cross-lingual transfer with pre-trained language models. |
| Outcome: | The proposed method fails to calibrate more complex confidence estimations in structured predictions compared to expressive alternatives like Gaussian Process Calibration. |
Pruning Multilingual Large Language Models for Multilingual Inference (2024.findings-emnlp)
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| Challenge: | Multilingual large language models (MLLMs) demonstrate better zeroshot learning performance in non-English languages compared to large language model trained on English-dominant data. |
| Approach: | They propose a pruning approach to prune large language models using bilingual sentence pairs from English and other languages to enhance their performance in non-English language. |
| Outcome: | The proposed pruning strategy enhances the MLLMs’ performance in non-English language. |
Unveiling Uncertainty: A Deep Dive into Calibration and Performance of Multimodal Large Language Models (2025.coling-main)
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| Challenge: | Multimodal large language models combine visual and textual data for tasks like image captioning and visual question answering. |
| Approach: | They propose temperature scaling and iterative prompt optimization to calibrate MLLMs and enhance model reliability. |
| Outcome: | The proposed techniques improve MLLMs and improve model reliability. |
Multilingual Large Language Models Are Not (Yet) Code-Switchers (2023.emnlp-main)
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| Challenge: | Existing multilingual Large Language Models are not specifically trained with objectives for managing code-switching scenarios. |
| Approach: | They propose to use multilingual Large Language Models to perform sentiment analysis, machine translation, summarization and word-level language identification to compare their performance to fine-tuned models of much smaller scales. |
| Outcome: | The proposed models show that they underperform in comparison to fine-tuned models of much smaller scales. |
Massively Multilingual Transfer for NER (P19-1)
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| Challenge: | Existing approaches for cross-lingual transfer use a single source language, but there are exceptions. |
| Approach: | They propose two techniques for modulating the transfer, suitable for zero-shot or few-shot learning, respectively. |
| Outcome: | The proposed methods are much more effective than baseline models and rival oracle selection of the single best individual model. |
Multilingual Machine Translation with Large Language Models: Empirical Results and Analysis (2024.findings-naacl)
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Wenhao Zhu, Hongyi Liu, Qingxiu Dong, Jingjing Xu, Shujian Huang, Lingpeng Kong, Jiajun Chen, Lei Li
| Challenge: | Existing studies show that large language models (LLMs) can handle multilingual machine translation (MMT) However, the multilingual translation ability of LLMs remains under-explored. |
| Approach: | They evaluate eight popular LLMs including ChatGPT and GPT-4 to determine their performance in multilingual machine translation. |
| Outcome: | The proposed model can generate moderate translation even on zero-resource languages and cross-lingual exemplars can provide better task guidance for low-resourced translation than exemplar in the same language pairs. |