Learning Discriminative Representations for Open Relation Extraction with Instance Ranking and Label Calibration Shusen Wang author Bin Duan author Yanan Wu author Yajing Xu author 2022-07 text Findings of the Association for Computational Linguistics: NAACL 2022 Marine Carpuat editor Marie-Catherine de Marneffe editor Ivan Vladimir Meza Ruiz editor Association for Computational Linguistics Seattle, United States conference publication wang-etal-2022-learning-discriminative 10.18653/v1/2022.findings-naacl.186 https://aclanthology.org/2022.findings-naacl.186/ 2022-07 2433 2438