Dialogue Summarization with Supporting Utterance Flow Modeling and Fact Regularization

• URL: http://arxiv.org/abs/2108.01268v1
• Date: Tue, 3 Aug 2021 03:09:25 GMT
• Title: Dialogue Summarization with Supporting Utterance Flow Modeling and Fact Regularization
• Authors: Wang Chen, Piji Li, Hou Pong Chan, Irwin King
• Abstract summary: We propose an end-to-end neural model for dialogue summarization with two novel modules. The supporting utterance flow modeling helps to generate a coherent summary by smoothly shifting the focus from the former utterances to the later ones. The fact regularization encourages the generated summary to be factually consistent with the ground-truth summary during model training.
• Score: 58.965859508695225
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Dialogue summarization aims to generate a summary that indicates the key points of a given dialogue. In this work, we propose an end-to-end neural model for dialogue summarization with two novel modules, namely, the \emph{supporting utterance flow modeling module} and the \emph{fact regularization module}. The supporting utterance flow modeling helps to generate a coherent summary by smoothly shifting the focus from the former utterances to the later ones. The fact regularization encourages the generated summary to be factually consistent with the ground-truth summary during model training, which helps to improve the factual correctness of the generated summary in inference time. Furthermore, we also introduce a new benchmark dataset for dialogue summarization. Extensive experiments on both existing and newly-introduced datasets demonstrate the effectiveness of our model.

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