Abstraction and Generalisation in Semantic Role Labels: PropBank, VerbNet or both? Paola Merlo author Lonneke Van Der Plas author 2009-08 text Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP Keh-Yih Su editor Jian Su editor Janyce Wiebe editor Haizhou Li editor Association for Computational Linguistics Suntec, Singapore conference publication merlo-van-der-plas-2009-abstraction https://aclanthology.org/P09-1033/ 2009-08 288 296