@inproceedings{hao-etal-2021-rast,
title = "{RAST}: Domain-Robust Dialogue Rewriting as Sequence Tagging",
author = "Hao, Jie and
Song, Linfeng and
Wang, Liwei and
Xu, Kun and
Tu, Zhaopeng and
Yu, Dong",
editor = "Moens, Marie-Francine and
Huang, Xuanjing and
Specia, Lucia and
Yih, Scott Wen-tau",
booktitle = "Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing",
month = nov,
year = "2021",
address = "Online and Punta Cana, Dominican Republic",
publisher = "Association for Computational Linguistics",
url = "https://aclanthology.org/2021.emnlp-main.402/",
doi = "10.18653/v1/2021.emnlp-main.402",
pages = "4913--4924",
abstract = "The task of dialogue rewriting aims to reconstruct the latest dialogue utterance by copying the missing content from the dialogue context. Until now, the existing models for this task suffer from the robustness issue, i.e., performances drop dramatically when testing on a different dataset. We address this robustness issue by proposing a novel sequence-tagging-based model so that the search space is significantly reduced, yet the core of this task is still well covered. As a common issue of most tagging models for text generation, the model`s outputs may lack fluency. To alleviate this issue, we inject the loss signal from BLEU or GPT-2 under a REINFORCE framework. Experiments show huge improvements of our model over the current state-of-the-art systems when transferring to another dataset."
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%0 Conference Proceedings
%T RAST: Domain-Robust Dialogue Rewriting as Sequence Tagging
%A Hao, Jie
%A Song, Linfeng
%A Wang, Liwei
%A Xu, Kun
%A Tu, Zhaopeng
%A Yu, Dong
%Y Moens, Marie-Francine
%Y Huang, Xuanjing
%Y Specia, Lucia
%Y Yih, Scott Wen-tau
%S Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing
%D 2021
%8 November
%I Association for Computational Linguistics
%C Online and Punta Cana, Dominican Republic
%F hao-etal-2021-rast
%X The task of dialogue rewriting aims to reconstruct the latest dialogue utterance by copying the missing content from the dialogue context. Until now, the existing models for this task suffer from the robustness issue, i.e., performances drop dramatically when testing on a different dataset. We address this robustness issue by proposing a novel sequence-tagging-based model so that the search space is significantly reduced, yet the core of this task is still well covered. As a common issue of most tagging models for text generation, the model‘s outputs may lack fluency. To alleviate this issue, we inject the loss signal from BLEU or GPT-2 under a REINFORCE framework. Experiments show huge improvements of our model over the current state-of-the-art systems when transferring to another dataset.
%R 10.18653/v1/2021.emnlp-main.402
%U https://aclanthology.org/2021.emnlp-main.402/
%U https://doi.org/10.18653/v1/2021.emnlp-main.402
%P 4913-4924
Markdown (Informal)
[RAST: Domain-Robust Dialogue Rewriting as Sequence Tagging](https://aclanthology.org/2021.emnlp-main.402/) (Hao et al., EMNLP 2021)
ACL
- Jie Hao, Linfeng Song, Liwei Wang, Kun Xu, Zhaopeng Tu, and Dong Yu. 2021. RAST: Domain-Robust Dialogue Rewriting as Sequence Tagging. In Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing, pages 4913–4924, Online and Punta Cana, Dominican Republic. Association for Computational Linguistics.