Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects

Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor 2026-03 Association for Computational Linguistics Rabat, Morocco text conference publication vardial-2026-1 10.18653/v1/2026.vardial-1.0 https://aclanthology.org/2026.vardial-1.0/ AMIYA Shared Task: Arabic Modeling In Your Accent at VarDial 2026 Nathaniel R Robinson author Shahd Abdelmoneim author Anjali Kantharuban author Otba Alsboul author Salima Lamsiyah author Kelly Marchisio author Kenton Murray author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication robinson-etal-2026-amiya 10.18653/v1/2026.vardial-1.1 https://aclanthology.org/2026.vardial-1.1/ 2026-03 1 17 Far Out: Evaluating Language Models on Slang in Australian and Indian English Deniz Kaya Dilsiz author Dipankar Srirag author Aditya Joshi author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication dilsiz-etal-2026-far 10.18653/v1/2026.vardial-1.2 https://aclanthology.org/2026.vardial-1.2/ 2026-03 18 31 Effects of Speaker Bias in Dialect Identification and Automatic Transcription with Self-Supervised Speech Models Olli Kuparinen author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication kuparinen-2026-effects 10.18653/v1/2026.vardial-1.3 https://aclanthology.org/2026.vardial-1.3/ 2026-03 32 44 OcWikiDialects: A Wikipedia Dataset With Rich Metadata for Occitan Dialect Identification Oriane Nédey author Rachel Bawden author Thibault Clérice author Benoît Sagot author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication nedey-etal-2026-ocwikidialects 10.18653/v1/2026.vardial-1.4 https://aclanthology.org/2026.vardial-1.4/ 2026-03 45 57 Language Mixture to Develop Accurate Galician Dependency Parsers: An Exploration of Its Effects Xabier Irastortza-Urbieta author José M García-Miguel author Marcos Garcia author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication irastortza-urbieta-etal-2026-language 10.18653/v1/2026.vardial-1.5 https://aclanthology.org/2026.vardial-1.5/ 2026-03 58 69 Crowdsourcing Piedmontese to Test LLMs on Non-Standard Orthography Gianluca Vico author Jindřich Libovický author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication vico-libovicky-2026-crowdsourcing 10.18653/v1/2026.vardial-1.6 https://aclanthology.org/2026.vardial-1.6/ 2026-03 70 86 German-English Code-Switching in Large Language Models Firat Cem Aksüt author Stefan Hillmann author Pia Knoeferle author Sebastian Möller author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication aksut-etal-2026-german 10.18653/v1/2026.vardial-1.7 https://aclanthology.org/2026.vardial-1.7/ 2026-03 87 100 Perplexity as a Metric for Dialectal Distance: A Computational Study of Greek Varieties Stergios Chatzikyriakidis author Erofili Psaltaki author Dimitrios Papadakis author Erik Henriksson author Veronika Laippala author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication chatzikyriakidis-etal-2026-perplexity 10.18653/v1/2026.vardial-1.8 https://aclanthology.org/2026.vardial-1.8/ 2026-03 101 112 A Subword Embedding Approach for Variation Detection in Luxembourgish User Comments Anne-Marie Lutgen author Alistair Plum author Christoph Purschke author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication lutgen-etal-2026-subword 10.18653/v1/2026.vardial-1.9 https://aclanthology.org/2026.vardial-1.9/ 2026-03 113 122 Onomasiological Sense Alignment Across Dialect Dictionaries. A Taxonomy-Constrained LLM Classification Nathalie Mederake author Nico Urbach author Hanna Fischer author Alfred Lameli author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication mederake-etal-2026-onomasiological 10.18653/v1/2026.vardial-1.10 https://aclanthology.org/2026.vardial-1.10/ 2026-03 123 138 On the Intelligibility of Romance Language Varieties: Spanish and Portuguese in Europe and America Liviu P Dinu author Ana Sabina Uban author Teodor-George Marchitan author Ioan-Bogdan Iordache author Simona Georgescu author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication dinu-etal-2026-intelligibility 10.18653/v1/2026.vardial-1.11 https://aclanthology.org/2026.vardial-1.11/ 2026-03 139 144 Dialect Matters: Cross-Lingual ASR Transfer for Low-Resource Indic Language Varieties Akriti Dhasmana author Aarohi Srivastava author David Chiang author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication dhasmana-etal-2026-dialect 10.18653/v1/2026.vardial-1.12 https://aclanthology.org/2026.vardial-1.12/ 2026-03 145 156 Ara-HOPE: Human-Centric Post-Editing Evaluation for Dialectal Arabic to Modern Standard Arabic Translation Abdullah Alabdullah author Lifeng Han author Chenghua Lin author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication alabdullah-etal-2026-ara 10.18653/v1/2026.vardial-1.13 https://aclanthology.org/2026.vardial-1.13/ 2026-03 157 171 Indic-TunedLens: Interpreting Multilingual Models in Indian Languages Mihir Panchal author Deeksha Varshney author Mamta . author Asif Ekbal author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication panchal-etal-2026-indic 10.18653/v1/2026.vardial-1.14 https://aclanthology.org/2026.vardial-1.14/ 2026-03 172 185 Building ASR Resources for the Hutsul Dialect of Ukrainian Roman Kyslyi author Artem Orlovskyi author Pavlo Khomenko author Bohdan Onyshchenko author Zakhar Guzii author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication kyslyi-etal-2026-building 10.18653/v1/2026.vardial-1.15 https://aclanthology.org/2026.vardial-1.15/ 2026-03 186 195 From FusHa to Folk: Exploring Cross-Lingual Transfer in Arabic Language Models Abdulmuizz Khalak author Abderrahmane Issam author Gerasimos Spanakis author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication khalak-etal-2026-fusha 10.18653/v1/2026.vardial-1.16 https://aclanthology.org/2026.vardial-1.16/ 2026-03 196 209 Extending ASR Evaluation Resources for Modern Greek Dialects Chara Tsoukala author Stavros Bompolas author Antigoni Margariti author Konstantina Panagiotou author Maria Elisavet Plaiti author Nefeli Tzanakaki author Petros Karatsareas author Angela Ralli author Antonios Anastasopoulos author Stella Markantonatou author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication tsoukala-etal-2026-extending 10.18653/v1/2026.vardial-1.17 https://aclanthology.org/2026.vardial-1.17/ 2026-03 210 222 How Should We Model the Probability of a Language? Rasul Dent author Pedro Ortiz Suarez author Thibault Clérice author Benoît Sagot author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication dent-etal-2026-model 10.18653/v1/2026.vardial-1.18 https://aclanthology.org/2026.vardial-1.18/ 2026-03 223 233 Bridging Dialectal Variation: A Phonetic Transcription Tool for Tamil Ahrane Mahaganapathy author Sumirtha Karunakaran author Kavitha Navakulan author Kengatharaiyer Sarveswaran author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication mahaganapathy-etal-2026-bridging 10.18653/v1/2026.vardial-1.19 https://aclanthology.org/2026.vardial-1.19/ 2026-03 234 241 Regional Variation in the Performance of ASR Models on Croatian and Serbian Tanja Samardžić author Peter Rupnik author Nikola Ljubešić author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication samardzic-etal-2026-regional 10.18653/v1/2026.vardial-1.20 https://aclanthology.org/2026.vardial-1.20/ 2026-03 242 249 Syllable Structures Across Arabic Varieties Abdelrahim Qaddoumi author Jordan Kodner author Salam Khalifa author Ellen Broselow author Owen Rambow author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication qaddoumi-etal-2026-syllable 10.18653/v1/2026.vardial-1.21 https://aclanthology.org/2026.vardial-1.21/ 2026-03 250 260 Curriculum Learning and Pseudo-Labeling Improve the Generalization of Multi-Label Arabic Dialect Identification Models Ali Mekky author Mohamed El Zeftawy author Lara Hassan author Amr Keleg author Preslav Nakov author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication mekky-etal-2026-curriculum 10.18653/v1/2026.vardial-1.22 https://aclanthology.org/2026.vardial-1.22/ 2026-03 261 274 OpenLID-v3: Improving the Precision of Closely Related Language Identification – An Experience Report Mariia Fedorova author Nikolay Arefyev author Maja Buljan author Jindřich Helcl author Stephan Oepen author Egil Rønningstad author Yves Scherrer author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication fedorova-etal-2026-openlid 10.18653/v1/2026.vardial-1.23 https://aclanthology.org/2026.vardial-1.23/ 2026-03 275 292 Improving Dialect Robustness in Large Language Models via LoRA and Mixture-of-Experts Sanjh Maheshwari author Aniket Singh Rajpoot author Oana Cocarascu author Mamta . author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication maheshwari-etal-2026-improving 10.18653/v1/2026.vardial-1.24 https://aclanthology.org/2026.vardial-1.24/ 2026-03 293 303 Evaluation Framework for Transfer Learning between Closely Related Lects: A Case Study of Lemko Ilia Afanasev author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication afanasev-2026-evaluation 10.18653/v1/2026.vardial-1.25 https://aclanthology.org/2026.vardial-1.25/ 2026-03 304 316 Do Large Language Models Adapt to Language Variation across Socioeconomic Status? Elisa Bassignana author Mike Zhang author Dirk Hovy author Amanda Cercas Curry author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication bassignana-etal-2026-large 10.18653/v1/2026.vardial-1.26 https://aclanthology.org/2026.vardial-1.26/ 2026-03 317 338 Aladdin-FTI @ AMIYA Three Wishes for Arabic NLP: Fidelity, Diglossia, and Multidialectal Generation Jonathan Mutal author Perla Al Almaoui author Simon Hengchen author Pierrette Bouillon author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication mutal-etal-2026-aladdin 10.18653/v1/2026.vardial-1.27 https://aclanthology.org/2026.vardial-1.27/ 2026-03 339 351 Maastricht University at AMIYA: Adapting LLMs for Dialectal Arabic using Fine-tuning and MBR Decoding Abdulhai Alali author Abderrahmane Issam author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication alali-issam-2026-maastricht 10.18653/v1/2026.vardial-1.28 https://aclanthology.org/2026.vardial-1.28/ 2026-03 352 358 SDNLP at AMIYA 2026: Syrian Arabic Dialect Modeling with LoRA Hasan Alkhder author Mohammad Abboush author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication alkhder-abboush-2026-sdnlp 10.18653/v1/2026.vardial-1.29 https://aclanthology.org/2026.vardial-1.29/ 2026-03 359 364 NUS-IDS at AMIYA/VarDial 2026: Improving Arabic Dialectness in LLMs with Reinforcement Learning Sujatha Das Gollapalli author Mouad Hakam author Mingzhe Du author See-Kiong Ng author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication gollapalli-etal-2026-nus 10.18653/v1/2026.vardial-1.30 https://aclanthology.org/2026.vardial-1.30/ 2026-03 365 372 MBZUAI at AMIYA Shared Task 2026: Adapting Open-Source LLMs for Dialectal Arabic Rana Gaber author Yara Allam author Serag Amin author Ranwa Aly author Bashar Alhafni author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication gaber-etal-2026-mbzuai 10.18653/v1/2026.vardial-1.31 https://aclanthology.org/2026.vardial-1.31/ 2026-03 373 384 A Closed-Track System for Palestinian Arabic in the AMIYA Shared Task Khaleel Hamad author Ahmad Al-Najjar author 2026-03 text Proceedings of the 13th Workshop on NLP for Similar Languages, Varieties and Dialects Yves Scherrer editor Noëmi Aepli editor Verena Blaschke editor Tommi Jauhiainen editor Nikola Ljubešić editor Preslav Nakov editor Jörg Tiedemann editor Marcos Zampieri editor Association for Computational Linguistics Rabat, Morocco conference publication hamad-al-najjar-2026-closed 10.18653/v1/2026.vardial-1.32 https://aclanthology.org/2026.vardial-1.32/ 2026-03 385 392