Empathetic Dialogue Generation via Sensitive Emotion Recognition and Sensible Knowledge Selection

• URL: http://arxiv.org/abs/2210.11715v1
• Date: Fri, 21 Oct 2022 03:51:18 GMT
• Title: Empathetic Dialogue Generation via Sensitive Emotion Recognition and Sensible Knowledge Selection
• Authors: Lanrui Wang and Jiangnan Li and Zheng Lin and Fandong Meng and Chenxu Yang and Weiping Wang and Jie Zhou
• Abstract summary: We propose a Serial and Emotion-Knowledge interaction (SEEK) method for empathetic dialogue generation. We use a fine-grained encoding strategy which is more sensitive to the emotion dynamics (emotion flow) in the conversations to predict the emotion-intent characteristic of response. Besides, we design a novel framework to model the interaction between knowledge and emotion to generate more sensible response.
• Score: 47.60224978460442
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Empathy, which is widely used in psychological counselling, is a key trait of everyday human conversations. Equipped with commonsense knowledge, current approaches to empathetic response generation focus on capturing implicit emotion within dialogue context, where the emotions are treated as a static variable throughout the conversations. However, emotions change dynamically between utterances, which makes previous works difficult to perceive the emotion flow and predict the correct emotion of the target response, leading to inappropriate response. Furthermore, simply importing commonsense knowledge without harmonization may trigger the conflicts between knowledge and emotion, which confuse the model to choose incorrect information to guide the generation process. To address the above problems, we propose a Serial Encoding and Emotion-Knowledge interaction (SEEK) method for empathetic dialogue generation. We use a fine-grained encoding strategy which is more sensitive to the emotion dynamics (emotion flow) in the conversations to predict the emotion-intent characteristic of response. Besides, we design a novel framework to model the interaction between knowledge and emotion to generate more sensible response. Extensive experiments on EmpatheticDialogues demonstrate that SEEK outperforms the strong baselines in both automatic and manual evaluations.

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