On the Need of Cross Validation for Discourse Relation Classification Wei Shi author Vera Demberg author 2017-04 text Proceedings of the 15th Conference of the European Chapter of the Association for Computational Linguistics: Volume 2, Short Papers Mirella Lapata editor Phil Blunsom editor Alexander Koller editor Association for Computational Linguistics Valencia, Spain conference publication shi-demberg-2017-need https://aclanthology.org/E17-2024/ 2017-04 150 156