Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026)

Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor 2026-07 Association for Computational Linguistics San Diego, United States text conference publication 979-8-89176-430-9 mellm-2026-1 https://aclanthology.org/2026.mellm-1.0/ Lost in Dialect: The Annotation Gap in Multilingual LLM Safety Wajdi Zaghouani author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 zaghouani-2026-lost https://aclanthology.org/2026.mellm-1.1/ 2026-07 1 13 Evidence-Augmented Generation Reasoning for Extremely Low-Resource Language Decipherment Xiaoyu Zhu author Long Yuan author Rui Qi author Jinan Xu author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 zhu-etal-2026-evidence https://aclanthology.org/2026.mellm-1.2/ 2026-07 14 29 Improving Korean-English Cross-Lingual Retrieval: A Data-Centric Study of Language Composition and Model Merging Youngjoon Jang author Junyoung Son author Taemin Lee author Seongtae Hong author Hyeonseok Moon author Seungyoon Lee author Andrew Matteson author Heuiseok Lim author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 jang-etal-2026-improving https://aclanthology.org/2026.mellm-1.3/ 2026-07 30 43 Query-Synergy: Leveraging High-Resource Languages for Improving Retrieval Performance Across Multiple Languages Seongtae Hong author Jungseob Lee author Hyeonseok Moon author Seungyoon Lee author Youngjoon Jang author Heuiseok Lim author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 hong-etal-2026-query https://aclanthology.org/2026.mellm-1.4/ 2026-07 44 51 Kyrgyz Text Normalization: A Comparative Study of Neural and Rule-Based Approaches Zarina Uvalieva author Bektemir Kumarbai Uulu author Adilet Metinov author Tynchtykbek Tashbaltaev author Nurtilek Alibekov author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 uvalieva-etal-2026-kyrgyz https://aclanthology.org/2026.mellm-1.5/ 2026-07 52 62 MultiHaluDet: Multilingual Hallucination Detection via LLM Hidden State Probing Riasad Alvi author Nurul Labib Sayeedi author Md. Faiyaz Abdullah Sayeedi author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 alvi-etal-2026-multihaludet https://aclanthology.org/2026.mellm-1.6/ 2026-07 63 74 MFMDQwen: Multilingual Financial Misinformation Detection Based on Large Language Model Zhiwei Liu author Yuyan Wang author Yuechen Jiang author Yupeng Cao author Tianlei Zhu author Xiaorui Guo author Zhiyang Deng author Zhiyuan Yao author Xiao-Yang Liu author Jimin Huang author Sophia Ananiadou author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 liu-etal-2026-mfmdqwen https://aclanthology.org/2026.mellm-1.7/ 2026-07 75 82 Multilingual Chain-of-Thought Compression via Cross-Lingual Distillation Jiarui Wan author Songming Zhang author Yufeng Chen author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 wan-etal-2026-multilingual https://aclanthology.org/2026.mellm-1.8/ 2026-07 83 91 When Retrieval Hurts: Evidence Utilization, Script Fidelity, and Knowledge Conflicts in Multilingual RAG Varalekshmy M Mohan author Swathi Jayakumar author Gadha Saji Menon author Sachin Kurup author Veena G author Vani Kanjirangat author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 mohan-etal-2026-retrieval https://aclanthology.org/2026.mellm-1.9/ 2026-07 92 107 DIMAS-OMOP: A Deliberative Intelligence-Based Multi-Agent System for Chinese Medical Text Standardization toward OMOP Hanlin Lv author Xiao Wang author Kesong Wu author Lei Li author Lei Wang author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 lv-etal-2026-dimas https://aclanthology.org/2026.mellm-1.10/ 2026-07 108 118 Beyond Accuracy: A Structured Error Analysis of Multilingual LLMs on Marathi Script Variation and Syntax Tejas Patil author Barnali Chetia author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 patil-chetia-2026-beyond https://aclanthology.org/2026.mellm-1.11/ 2026-07 119 126 Cross-Lingual Sentiment Misalignment: Auditing Multilingual Language Models for Inversion Risk, Dialectal Representation, and Affective Stability Nusrat Jahan Lia author Shubhashis Roy Dipta author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 lia-roy-dipta-2026-cross https://aclanthology.org/2026.mellm-1.12/ 2026-07 127 139 GAIA-v2-LILT: Multilingual Adaptation of Agent Benchmark beyond Translation Yunsu Kim author Kaden Uhlig author Joern Wuebker author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 kim-etal-2026-gaia https://aclanthology.org/2026.mellm-1.13/ 2026-07 140 148 Do Thoughts Depth Affect Multilingual Reasoning? Linjian Yang author Xinyan Wang author Kunpeng Liu author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 yang-etal-2026-thoughts https://aclanthology.org/2026.mellm-1.14/ 2026-07 149 158 On the Limits of Model Merging for Multilinguality in Pre-Training Seth Aycock author Fedor Vitiugin author Aleksandr Umnov author Christof Monz author Khalil Sima’an author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 aycock-etal-2026-limits https://aclanthology.org/2026.mellm-1.15/ 2026-07 159 169 mmPISA-bench: Do LLMs Reason Equally Well Across 43 Languages? Yerzhan Sapenov author Jaromir Savelka author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 sapenov-savelka-2026-mmpisa https://aclanthology.org/2026.mellm-1.16/ 2026-07 170 180 Cross-Lingual Bias in Large Language Models: A Comparative Analysis of English and Swahili Ruolei Zhang author Teddy Njuguna author Yue Feng author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 zhang-etal-2026-cross https://aclanthology.org/2026.mellm-1.17/ 2026-07 181 190 Polyglot-Lion: Efficient Multilingual ASR for Singapore via Balanced Fine-Tuning of Qwen3-ASR Quy-Anh Dang author Chris Ngo author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 dang-ngo-2026-polyglot https://aclanthology.org/2026.mellm-1.18/ 2026-07 191 200 The Multilingual Curse at the Retrieval Layer: Evidence from Amharic Yosef Worku Alemneh author Kidist Amde Mekonnen author Maarten de Rijke author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 alemneh-etal-2026-multilingual https://aclanthology.org/2026.mellm-1.19/ 2026-07 201 210 ShahiEmotion: A Benchmark Dataset for Punjabi Shahmukhi Emotion Detection Usman Nawaz author Muhammad Junaid Iqbal author Tahir Alyas author Muhammad Asaf author Shumayla Yaqoob author Usman Ahmed Raza author Muhammad Amin Nadim author Aftab Rafique author Faisal Rehman author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 nawaz-etal-2026-shahiemotion https://aclanthology.org/2026.mellm-1.20/ 2026-07 211 220 Evaluating Multilingual Tokenization under Worst-N Parity-Aware BPE Vani Kanjirangat author David Kletz author Tanja Samardzic author Ljiljana Dolamic author Fabio Rinaldi author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 kanjirangat-etal-2026-evaluating https://aclanthology.org/2026.mellm-1.21/ 2026-07 221 228 MLingualFC: Evaluating Jailbreak Vulnerabilities in Multilingual Vision-Language Models Rishabh Makwana author Mamta Mamta author Deeksha Varshney author Oana Cocarascu author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 makwana-etal-2026-mlingualfc https://aclanthology.org/2026.mellm-1.22/ 2026-07 229 239 P3B3: A Multi-Turn Conversational Benchmark for Measuring European and Brazilian Portuguese Variety Bias in LLMs Rafael Ferreira author Inês Vieira author Inês Calvo author James Furtado author Iago Paulo author Diogo Glória-Silva author Diogo Tavares author David Semedo author Joao Magalhaes author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 ferreira-etal-2026-p3b3 https://aclanthology.org/2026.mellm-1.23/ 2026-07 240 248 SN-WER: Script-Normalized WER for Multi-Script Indic ASR Evaluation Priyaranjan Pattnayak author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 pattnayak-2026-sn https://aclanthology.org/2026.mellm-1.24/ 2026-07 249 256 Causal Localization of the English Pivot in LLaVA: Mechanistic VLM Analysis and Training-Free Multilingual Steering Abrar Zahin Raihan author Aurchi Chowdhury author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 raihan-chowdhury-2026-causal https://aclanthology.org/2026.mellm-1.25/ 2026-07 257 265 Multilingual Disparities in LLM-Based Safety Judgments: Evidence from Brand Safety Applications Songjiang Liu author Riley Grossman author Mike Smith author Cristian Borcea author Yi Chen author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 liu-etal-2026-multilingual https://aclanthology.org/2026.mellm-1.26/ 2026-07 266 274 Benchmarking Byte-Pair Encoding Tokenizers on Different Languages with Bits per Byte Soham Chowdhury author Warren Woolf author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 chowdhury-woolf-2026-benchmarking https://aclanthology.org/2026.mellm-1.27/ 2026-07 275 283 Where Privacy Risk Lives in English-Source Multilingual RAG: A Stage-Decomposed Audit Across Five Query Languages Yanhang Li author Zhichao Fan author Zexin Zhuang author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 li-etal-2026-privacy https://aclanthology.org/2026.mellm-1.28/ 2026-07 284 293 The Broken Telephone Changes Tone: Examining Nuanced Linguistic Cues in LLM Chains-of-Translation Quang Minh Nguyen author Maida Aizaz author Braahmi Padmakumar author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 nguyen-etal-2026-broken https://aclanthology.org/2026.mellm-1.29/ 2026-07 294 307 Group-Merger: A LoRA-based Framework for Multilingual Continual Learning Weijian yi author Hongliang Li author Jinan Xu author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 yi-etal-2026-group https://aclanthology.org/2026.mellm-1.30/ 2026-07 308 316 When English Isn’t the Best Teacher: Source Language Effects in Cross-Lingual In-Context Learning Fred Philippy author Siwen Guo author Jacques Klein author Tegawendé F. Bissyandé author 2026-07 text Proceedings of the 1st Workshop on Multilinguality in the Era of Large Language Models (MeLLM 2026) Kaiyu Huang editor Fengran Mo editor Pinzhen Chen editor Meng Jiang editor Association for Computational Linguistics San Diego, United States conference publication 979-8-89176-430-9 philippy-etal-2026-english https://aclanthology.org/2026.mellm-1.31/ 2026-07 317 326