LaTeX Rainbow: Universal LaTeX to PDF Document Semantic & Layout Annotation Framework Changxu Duan author Zhiyin Tan author Sabine Bartsch author 2023-11 text Proceedings of the Second Workshop on Information Extraction from Scientific Publications Tirthankar Ghosal editor Felix Grezes editor Thomas Allen editor Kelly Lockhart editor Alberto Accomazzi editor Sergi Blanco-Cuaresma editor Association for Computational Linguistics Bali, Indonesia conference publication duan-etal-2023-latex 10.18653/v1/2023.wiesp-1.8 https://aclanthology.org/2023.wiesp-1.8/ 2023-11 56 67