DCU-Lorcan at FinCausal 2022: Span-based Causality Extraction from Financial Documents using Pre-trained Language Models Chenyang Lyu author Tianbo Ji author Quanwei Sun author Liting Zhou author 2022-06 text Proceedings of the 4th Financial Narrative Processing Workshop @LREC2022 Mahmoud El-Haj editor Paul Rayson editor Nadhem Zmandar editor European Language Resources Association Marseille, France conference publication lyu-etal-2022-dcu https://aclanthology.org/2022.fnp-1.19/ 2022-06 116 120