Length, Interchangeability, and External Knowledge: Observations from Predicting Argument Convincingness Peter Potash author Robin Bhattacharya author Anna Rumshisky author 2017-11 text Proceedings of the Eighth International Joint Conference on Natural Language Processing (Volume 1: Long Papers) Greg Kondrak editor Taro Watanabe editor Asian Federation of Natural Language Processing Taipei, Taiwan conference publication potash-etal-2017-length https://aclanthology.org/I17-1035/ 2017-11 342 351