PECO: Examining Single Sentence Label Leakage in Natural Language Inference Datasets through Progressive Evaluation of Cluster Outliers Michael Saxon author Xinyi Wang author Wenda Xu author William Yang Wang author 2023-05 text Proceedings of the 17th Conference of the European Chapter of the Association for Computational Linguistics Andreas Vlachos editor Isabelle Augenstein editor Association for Computational Linguistics Dubrovnik, Croatia conference publication saxon-etal-2023-peco 10.18653/v1/2023.eacl-main.223 https://aclanthology.org/2023.eacl-main.223/ 2023-05 3061 3074