Going out on a limb: Joint Extraction of Entity Mentions and Relations without Dependency Trees Arzoo Katiyar author Claire Cardie author 2017-07 text Proceedings of the 55th Annual Meeting of the Association for Computational Linguistics (Volume 1: Long Papers) Regina Barzilay editor Min-Yen Kan editor Association for Computational Linguistics Vancouver, Canada conference publication katiyar-cardie-2017-going 10.18653/v1/P17-1085 https://aclanthology.org/P17-1085/ 2017-07 917 928