Back to the Future: Bidirectional Information Decoupling Network for Multi-turn Dialogue Modeling

• URL: http://arxiv.org/abs/2204.08152v1
• Date: Mon, 18 Apr 2022 03:51:46 GMT
• Title: Back to the Future: Bidirectional Information Decoupling Network for Multi-turn Dialogue Modeling
• Authors: Yiyang Li, Hai Zhao, Zhuosheng Zhang
• Abstract summary: We propose Bidirectional Information Decoupling Network (BiDeN) as a universal dialogue encoder. BiDeN explicitly incorporates both the past and future contexts and can be generalized to a wide range of dialogue-related tasks. Experimental results on datasets of different downstream tasks demonstrate the universality and effectiveness of our BiDeN.
• Score: 80.51094098799736
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Multi-turn dialogue modeling as a challenging branch of natural language understanding (NLU), aims to build representations for machines to understand human dialogues, which provides a solid foundation for multiple downstream tasks. Recent studies of dialogue modeling commonly employ pre-trained language models (PrLMs) to encode the dialogue history as successive tokens, which is insufficient in capturing the temporal characteristics of dialogues. Therefore, we propose Bidirectional Information Decoupling Network (BiDeN) as a universal dialogue encoder, which explicitly incorporates both the past and future contexts and can be generalized to a wide range of dialogue-related tasks. Experimental results on datasets of different downstream tasks demonstrate the universality and effectiveness of our BiDeN.

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