GOLD: Improving Out-of-Scope Detection in Dialogues using Data Augmentation Derek Chen author Zhou Yu author 2021-11 text Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing Marie-Francine Moens editor Xuanjing Huang editor Lucia Specia editor Scott Wen-tau Yih editor Association for Computational Linguistics Online and Punta Cana, Dominican Republic conference publication chen-yu-2021-gold 10.18653/v1/2021.emnlp-main.35 https://aclanthology.org/2021.emnlp-main.35/ 2021-11 429 442