Multi-head Span-based Detector for AI-generated Fragments in Scientific Papers German Gritsai author Ildar Khabutdinov author Andrey Grabovoy author 2024-08 text Proceedings of the Fourth Workshop on Scholarly Document Processing (SDP 2024) Tirthankar Ghosal editor Amanpreet Singh editor Anita Waard editor Philipp Mayr editor Aakanksha Naik editor Orion Weller editor Yoonjoo Lee editor Shannon Shen editor Yanxia Qin editor Association for Computational Linguistics Bangkok, Thailand conference publication gritsai-etal-2024-multi https://aclanthology.org/2024.sdp-1.21/ 2024-08 220 225