Which aspects of discourse relations are hard to learn? Primitive decomposition for discourse relation classification Charlotte Roze author ChloƩ Braud author Philippe Muller author 2019-09 text Proceedings of the 20th Annual SIGdial Meeting on Discourse and Dialogue Satoshi Nakamura editor Milica Gasic editor Ingrid Zukerman editor Gabriel Skantze editor Mikio Nakano editor Alexandros Papangelis editor Stefan Ultes editor Koichiro Yoshino editor Association for Computational Linguistics Stockholm, Sweden conference publication roze-etal-2019-aspects 10.18653/v1/W19-5950 https://aclanthology.org/W19-5950/ 2019-09 432 441