Multilevel Heuristics for Rationale-Based Entity Relation Classification in Sentences Shiou Tian Hsu author Mandar Chaudhary author Nagiza Samatova author 2018-08 text Proceedings of the 27th International Conference on Computational Linguistics Emily M Bender editor Leon Derczynski editor Pierre Isabelle editor Association for Computational Linguistics Santa Fe, New Mexico, USA conference publication hsu-etal-2018-multilevel https://aclanthology.org/C18-1098/ 2018-08 1145 1155