Discourse Element Identification in Student Essays based on Global and Local Cohesion Wei Song author Ruiji Fu author Lizhen Liu author Ting Liu author 2015-09 text Proceedings of the 2015 Conference on Empirical Methods in Natural Language Processing Lluís Màrquez editor Chris Callison-Burch editor Jian Su editor Association for Computational Linguistics Lisbon, Portugal conference publication song-etal-2015-discourse 10.18653/v1/D15-1270 https://aclanthology.org/D15-1270/ 2015-09 2255 2261