Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026)

Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor 2026-07 Association for Computational Linguistics San Diego, California, United States text conference publication 979-8-89176-413-2 sem-2026-conference https://aclanthology.org/2026.starsem-conference.0/ SemToken: Semantic-Aware Tokenization for Efficient Long-Context Language Models Dong Liu author Yanxuan Yu author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 liu-yu-2026-semtoken https://aclanthology.org/2026.starsem-conference.1/ 2026-07 1 12 Syntactic Priming in Few-Shot Learning: How Demonstration Structure Shapes LLM Performance Prasanth Yadla author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 yadla-2026-syntactic https://aclanthology.org/2026.starsem-conference.2/ 2026-07 13 27 A Logic-Based Approach to Hallucinations in Data-to-Text NLG: Experiments with Human and LLM Annotators Eduardo Calò author Saad Mahamood author Albert Gatt author Kees Van Deemter author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 calo-etal-2026-logic https://aclanthology.org/2026.starsem-conference.3/ 2026-07 28 62 A framework for annotating and modelling intentions behind metaphor use Gianluca Michelli author Xiaoyu Tong author Ekaterina Shutova author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 michelli-etal-2026-framework https://aclanthology.org/2026.starsem-conference.4/ 2026-07 63 82 ReFRAME or Remain: Unsupervised Lexical Semantic Change Detection with Frame Semantics Bach Phan Tat author Kris Heylen author Stefano De Pascale author Dirk Geeraerts author Dirk Speelman author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 tat-etal-2026-reframe https://aclanthology.org/2026.starsem-conference.5/ 2026-07 83 97 Finding Sense in Nonsense with Generated Contexts: Perspectives from Humans and Language Models Katrina Olsen author Sebastian Padó author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 olsen-pado-2026-finding https://aclanthology.org/2026.starsem-conference.6/ 2026-07 98 110 Uncovering Ideological Bias in RAG with Lexical Multidimensional Analysis: A Case Study on COVID-19 Elmira Salari author Maria Claudia Nunes Delfino author Hazem Amamou author José Victor de Souza author Shruti Kshirsagar author Alan Davoust author Anderson Avila author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 salari-etal-2026-uncovering https://aclanthology.org/2026.starsem-conference.7/ 2026-07 111 124 Evaluating Adjective-Noun Compositionality in LLMs: Functional vs Representational Perspectives Ruchira Dhar author Qiwei Peng author Anders Søgaard author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 dhar-etal-2026-evaluating https://aclanthology.org/2026.starsem-conference.8/ 2026-07 125 135 Lexical Availability and Human Distributional Agreement in GPT-4o’s Color Naming Anna Feldman author Jing Peng author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 feldman-peng-2026-lexical https://aclanthology.org/2026.starsem-conference.9/ 2026-07 136 147 The LSCD Benchmark: a Testbed for Diachronic Word Meaning Tasks Dominik Schlechtweg author Sachin Yadav author Jonas Kuhn author Nikolay Arefyev author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 schlechtweg-etal-2026-lscd https://aclanthology.org/2026.starsem-conference.10/ 2026-07 148 163 From Latents to Labels: Zero-Shot Named Entity Recognition using Sparse Autoencoder Features Nakanyseth Vuth author Gilles Sérasset author Didier Schwab author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 vuth-etal-2026-latents https://aclanthology.org/2026.starsem-conference.11/ 2026-07 164 177 Can You Be More Explicit? A Task and Dataset on Explicitations of Implicit Meaning Laura Zeidler author Michael Roth author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 zeidler-roth-2026-explicit https://aclanthology.org/2026.starsem-conference.12/ 2026-07 178 197 Compositional Meaning Representations in LLMs: a Critical Review of Probing Studies Rémy Marro author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 marro-2026-compositional https://aclanthology.org/2026.starsem-conference.13/ 2026-07 198 210 *-PLUIE: Personalisable metric with Llm Used for Improved Evaluation Quentin Lemesle author Leane Jourdan author Daisy Munson author Pierre Alain author Jonathan Chevelu author Arnaud Delhay author Damien Lolive author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 lemesle-etal-2026-pluie https://aclanthology.org/2026.starsem-conference.14/ 2026-07 211 243 Under the Surface: Probing Tamil Paraphrase Intelligence Viswadarshan R R author Dr. J Felicia Lilian author Mahalakshmi S author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 r-r-etal-2026-surface https://aclanthology.org/2026.starsem-conference.15/ 2026-07 244 254 Annotating Indian Regional Biases using Large Language Models: Evaluation and Analysis Debasmita Panda author Akash Anil author Neelesh Kumar Shukla author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 panda-etal-2026-annotating https://aclanthology.org/2026.starsem-conference.16/ 2026-07 255 263 The Tatoxa System for Text Detoxification in Low-Resource Languages: The Case of Tatar Ilseyar Alimova author Bogdan Monogov author Artyom Mazur author Daniil Antonov author Vsevolod Karimov author Vitaliy Egorov author Bulat Khakimov author Alexander Panchenko author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 alimova-etal-2026-tatoxa https://aclanthology.org/2026.starsem-conference.17/ 2026-07 264 274 Towards Sense-level Bilingual Dictionary Induction Lydia Körber author Katja Markert author Wei Zhao author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 korber-etal-2026-towards https://aclanthology.org/2026.starsem-conference.18/ 2026-07 275 289 Beyond Accuracy: Interpreting Topic Representation in Suicide Ideation Detection Models Hamideh Ghanadian author Isar Nejadgholi author Hussein Al Osman author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 ghanadian-etal-2026-beyond https://aclanthology.org/2026.starsem-conference.19/ 2026-07 290 301 Understanding the Linguistic Cues Behind Stance Detection Parush Gera author Tempestt Neal author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 gera-neal-2026-understanding https://aclanthology.org/2026.starsem-conference.20/ 2026-07 302 316 Diagnosing Generalization in Open-Source LLMs for Stance Detection Parush Gera author Tempestt Neal author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 gera-neal-2026-diagnosing https://aclanthology.org/2026.starsem-conference.21/ 2026-07 317 330 Can LLMs Solve My Grandma’s Riddle? Evaluating Multilingual Large Language Models on Reasoning Traditional Bangla Tricky Riddles Nurul Labib Sayeedi author Md. Faiyaz Abdullah Sayeedi author Khushnur Binte Jahangir author Swakkhar Shatabda author Sarah Masud Preum author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 sayeedi-etal-2026-llms https://aclanthology.org/2026.starsem-conference.22/ 2026-07 331 347 “Undocumented Immigrants” != “Illegal Aliens”: Decomposing the Conceptual and Narrative Landscapes of Partisan Immigration Terms Yejin Cho author Gabriella Chronis author Nitin Sudarsanam author Kevin Barcenas-Martinez author Katrin Erk author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 cho-etal-2026-undocumented https://aclanthology.org/2026.starsem-conference.23/ 2026-07 348 365 Can a Remedy Find a Researcher? Exploring the Development of Semantic Knowledge in Italian BabyLMs Alice Suozzi author Luca Capone author Gianluca Lebani author Alessandro Lenci author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 suozzi-etal-2026-remedy https://aclanthology.org/2026.starsem-conference.24/ 2026-07 366 377 Frame In, Frame Out: Measuring Framing Bias in LLM-Generated News Summaries Valeria Pastorino author Nafise Sadat Moosavi author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 pastorino-moosavi-2026-frame https://aclanthology.org/2026.starsem-conference.25/ 2026-07 378 384 Mitigating Language Bias in Multilingual Sentence Embeddings for Cross-Lingual Similarity Estimation Kanade Nonomura author Keita Fukushima author Risa Kondo author Tomoyuki Kajiwara author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 nonomura-etal-2026-mitigating https://aclanthology.org/2026.starsem-conference.26/ 2026-07 385 394 Entropy-aware Masking for Masked Language Modeling Gokul Srinivasagan author Kai Hartung author Munir Georges author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 srinivasagan-etal-2026-entropy https://aclanthology.org/2026.starsem-conference.27/ 2026-07 395 400 Do Factual Recall Mechanisms Carry over from Text to Speech in Multimodal Language Models? Luca Modica author Filip Landin author Mehrdad Farahani author Livia Qian author Gabriel Skantze author Richard Johansson author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 modica-etal-2026-factual https://aclanthology.org/2026.starsem-conference.28/ 2026-07 401 409 Interactive Agents: Simulating Counselor-Client Psychological Counseling via Role-Playing LLM-to-LLM Interactions Huachuan Qiu author Zhenzhong Lan author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 qiu-lan-2026-interactive https://aclanthology.org/2026.starsem-conference.29/ 2026-07 410 427 ZIP: Quantifying Which Words Matter in Zero-Shot Instructional Prompts Nikta Gohari Sadr author Sangmitra Madhusudan author Arash Asgari author Hassan Sajjad author Laleh Seyyed-Kalantari author Ali Emami author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 sadr-etal-2026-zip https://aclanthology.org/2026.starsem-conference.30/ 2026-07 428 453 The Frequency Confound in Language-Model Surprisal and Metaphor Novelty Omar Momen author Sina Zarrieß author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 momen-zarriess-2026-frequency https://aclanthology.org/2026.starsem-conference.31/ 2026-07 454 463 One Word Is Not Enough: Simple Prompts Improve Word Embeddings Rajeev Ranjan author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 ranjan-2026-one https://aclanthology.org/2026.starsem-conference.32/ 2026-07 464 473 HistoryBankQA: Multilingual Temporal Question Answering on Historical Events Biswadip Mandal author Anant Khandelwal author Manish Gupta author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 mandal-etal-2026-historybankqa https://aclanthology.org/2026.starsem-conference.33/ 2026-07 474 496 EvalMORAAL: Interpretable Chain-of-Thought and LLM-as-Judge Evaluation for Moral Alignment in Large Language Models Hadi Mohammadi author Anastasia Giachanou author Robert A Bagheri author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 mohammadi-etal-2026-evalmoraal https://aclanthology.org/2026.starsem-conference.34/ 2026-07 497 515 Toxic Subword Pruning for Dialogue Response Generation on Large Language Models Hongyuan Adam Lu author Wai Lam author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 lu-lam-2026-toxic https://aclanthology.org/2026.starsem-conference.35/ 2026-07 516 528 Dictionary Insertion Prompting for Multilingual Reasoning on Multilingual Large Language Models Hongyuan Lu author Z.L. L author Wai Lam author 2026-07 text Proceedings of the 15th Joint Conference on Lexical and Computational Semantics (*SEM 2026) Saif M Mohammad editor Nedjma Ousidhoum editor Association for Computational Linguistics San Diego, California, United States conference publication 979-8-89176-413-2 lu-etal-2026-dictionary https://aclanthology.org/2026.starsem-conference.36/ 2026-07 529 544