Causal Explanation Analysis on Social Media Youngseo Son author Nipun Bayas author H Andrew Schwartz author 2018-oct-nov text Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing Ellen Riloff editor David Chiang editor Julia Hockenmaier editor Jun’ichi Tsujii editor Association for Computational Linguistics Brussels, Belgium conference publication son-etal-2018-causal 10.18653/v1/D18-1372 https://aclanthology.org/D18-1372/ 2018-oct-nov 3350 3359