PAWLS: PDF Annotation With Labels and Structure Mark Neumann author Zejiang Shen author Sam Skjonsberg author 2021-08 text Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing: System Demonstrations Heng Ji editor Jong C Park editor Rui Xia editor Association for Computational Linguistics Online conference publication neumann-etal-2021-pawls 10.18653/v1/2021.acl-demo.31 https://aclanthology.org/2021.acl-demo.31/ 2021-08 258 264