@inproceedings{huang-etal-2020-towards-low,
title = "Towards Low-Resource Semi-Supervised Dialogue Generation with Meta-Learning",
author = "Huang, Yi and
Feng, Junlan and
Ma, Shuo and
Du, Xiaoyu and
Wu, Xiaoting",
editor = "Cohn, Trevor and
He, Yulan and
Liu, Yang",
booktitle = "Findings of the Association for Computational Linguistics: EMNLP 2020",
month = nov,
year = "2020",
address = "Online",
publisher = "Association for Computational Linguistics",
url = "https://aclanthology.org/2020.findings-emnlp.368",
doi = "10.18653/v1/2020.findings-emnlp.368",
pages = "4123--4128",
abstract = "In this paper, we propose a meta-learning based semi-supervised explicit dialogue state tracker (SEDST) for neural dialogue generation, denoted as MEDST. Our main motivation is to further bridge the chasm between the need for high accuracy dialogue state tracker and the common reality that only scarce annotated data is available for most real-life dialogue tasks. Specifically, MEDST has two core steps: meta-training with adequate unlabelled data in an automatic way and meta-testing with a few annotated data by supervised learning. In particular, we enhance SEDST via entropy regularization, and investigate semi-supervised learning frameworks based on model-agnostic meta-learning (MAML) that are able to reduce the amount of required intermediate state labelling. We find that by leveraging un-annotated data in meta-way instead, the amount of dialogue state annotations can be reduced below 10{\%} while maintaining equivalent system performance. Experimental results show MEDST outperforms SEDST substantially by 18.7{\%} joint goal accuracy and 14.3{\%} entity match rate on the KVRET corpus with 2{\%} labelled data in semi-supervision.",
}
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<abstract>In this paper, we propose a meta-learning based semi-supervised explicit dialogue state tracker (SEDST) for neural dialogue generation, denoted as MEDST. Our main motivation is to further bridge the chasm between the need for high accuracy dialogue state tracker and the common reality that only scarce annotated data is available for most real-life dialogue tasks. Specifically, MEDST has two core steps: meta-training with adequate unlabelled data in an automatic way and meta-testing with a few annotated data by supervised learning. In particular, we enhance SEDST via entropy regularization, and investigate semi-supervised learning frameworks based on model-agnostic meta-learning (MAML) that are able to reduce the amount of required intermediate state labelling. We find that by leveraging un-annotated data in meta-way instead, the amount of dialogue state annotations can be reduced below 10% while maintaining equivalent system performance. Experimental results show MEDST outperforms SEDST substantially by 18.7% joint goal accuracy and 14.3% entity match rate on the KVRET corpus with 2% labelled data in semi-supervision.</abstract>
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%0 Conference Proceedings
%T Towards Low-Resource Semi-Supervised Dialogue Generation with Meta-Learning
%A Huang, Yi
%A Feng, Junlan
%A Ma, Shuo
%A Du, Xiaoyu
%A Wu, Xiaoting
%Y Cohn, Trevor
%Y He, Yulan
%Y Liu, Yang
%S Findings of the Association for Computational Linguistics: EMNLP 2020
%D 2020
%8 November
%I Association for Computational Linguistics
%C Online
%F huang-etal-2020-towards-low
%X In this paper, we propose a meta-learning based semi-supervised explicit dialogue state tracker (SEDST) for neural dialogue generation, denoted as MEDST. Our main motivation is to further bridge the chasm between the need for high accuracy dialogue state tracker and the common reality that only scarce annotated data is available for most real-life dialogue tasks. Specifically, MEDST has two core steps: meta-training with adequate unlabelled data in an automatic way and meta-testing with a few annotated data by supervised learning. In particular, we enhance SEDST via entropy regularization, and investigate semi-supervised learning frameworks based on model-agnostic meta-learning (MAML) that are able to reduce the amount of required intermediate state labelling. We find that by leveraging un-annotated data in meta-way instead, the amount of dialogue state annotations can be reduced below 10% while maintaining equivalent system performance. Experimental results show MEDST outperforms SEDST substantially by 18.7% joint goal accuracy and 14.3% entity match rate on the KVRET corpus with 2% labelled data in semi-supervision.
%R 10.18653/v1/2020.findings-emnlp.368
%U https://aclanthology.org/2020.findings-emnlp.368
%U https://doi.org/10.18653/v1/2020.findings-emnlp.368
%P 4123-4128
Markdown (Informal)
[Towards Low-Resource Semi-Supervised Dialogue Generation with Meta-Learning](https://aclanthology.org/2020.findings-emnlp.368) (Huang et al., Findings 2020)
ACL