Selection Bias Explorations and Debias Methods for Natural Language Sentence Matching Datasets Guanhua Zhang author Bing Bai author Jian Liang author Kun Bai author Shiyu Chang author Mo Yu author Conghui Zhu author Tiejun Zhao author 2019-07 text Proceedings of the 57th Annual Meeting of the Association for Computational Linguistics Anna Korhonen editor David Traum editor Lluís Màrquez editor Association for Computational Linguistics Florence, Italy conference publication zhang-etal-2019-selection 10.18653/v1/P19-1435 https://aclanthology.org/P19-1435/ 2019-07 4418 4429