SemEval-2024 Task 6: SHROOM, a Shared-task on Hallucinations and Related Observable Overgeneration Mistakes Timothee Mickus author Elaine Zosa author Raul Vazquez author Teemu Vahtola author Jörg Tiedemann author Vincent Segonne author Alessandro Raganato author Marianna Apidianaki author 2024-06 text Proceedings of the 18th International Workshop on Semantic Evaluation (SemEval-2024) Atul Kr. Ojha editor A Seza Doğruöz editor Harish Tayyar Madabushi editor Giovanni Da San Martino editor Sara Rosenthal editor Aiala Rosá editor Association for Computational Linguistics Mexico City, Mexico conference publication mickus-etal-2024-semeval 10.18653/v1/2024.semeval-1.273 https://aclanthology.org/2024.semeval-1.273/ 2024-06 1979 1993