Sent2Span: Span Detection for PICO Extraction in the Biomedical Text without Span Annotations Shifeng Liu author Yifang Sun author Bing Li author Wei Wang author Florence T Bourgeois author Adam G Dunn author 2021-11 text Findings of the Association for Computational Linguistics: EMNLP 2021 Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Punta Cana, Dominican Republic conference publication liu-etal-2021-sent2span-span 10.18653/v1/2021.findings-emnlp.147 https://aclanthology.org/2021.findings-emnlp.147/ 2021-11 1705 1715