Compos Mentis at SemEval2024 Task6: A Multi-Faceted Role-based Large Language Model Ensemble to Detect Hallucination Souvik Das author Rohini Srihari 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 das-srihari-2024-compos 10.18653/v1/2024.semeval-1.208 https://aclanthology.org/2024.semeval-1.208/ 2024-06 1449 1454