Challenge: Empathy improves human-machine dialogue systems by enhancing the user's experience.
Approach: They propose a framework that leverages specialized encoders to capture the key features of emotion, cause, and commonsense and collaboratively models these through a Conditional Variational Auto-Encoder.
Outcome: Empirical results show that the framework outperforms baseline models and offers a robust solution for empathetic dialogue generation.

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ECC: An Emotion-Cause Conversation Dataset for Empathy Response (2025.emnlp-main)

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Challenge: Existing empathy dialogue datasets focus on emotion labels while cause annotations are added post hoc.
Approach: They propose an emotion-cause conversation dataset with 2.4K dialogues that can be scalable . they use a framework that utilizes knowledge and large language models to automatically generate dialogues .
Outcome: The proposed dataset can achieve comparable or even superior performance to existing empathy dialogue datasets.
Improving Empathetic Dialogue Generation by Dynamically Infusing Commonsense Knowledge (2023.findings-acl)

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Challenge: Existing work on generating empathetic responses by utilizing the speaker's emotion has not been successful.
Approach: They propose an approach which incorporates an adaptive module for commonsense knowledge selection to ensure consistency between the generated empathetic responses and the speaker’s situation.
Outcome: The proposed approach outperforms baseline models in both automatic and human evaluations, exhibiting the generation of more coherent and empathetic responses.
Empathetic Dialogue Generation via Sensitive Emotion Recognition and Sensible Knowledge Selection (2022.findings-emnlp)

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Challenge: Empathy is a key trait of everyday human conversations.
Approach: They propose a serial encoding and Emotion-Knowledge interaction method for empathetic dialogue generation which is more sensitive to emotion dynamics in conversations.
Outcome: The proposed method outperforms baseline evaluations on the utterance-level annotated EMPATHETICDIALOGUES.
EmpCRL: Controllable Empathetic Response Generation via In-Context Commonsense Reasoning and Reinforcement Learning (2024.lrec-main)

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Challenge: Existing studies lack the perception of fine-grained dialogue emotion propagation, and have limitations in reasoning about the intentions of users on cognition, which affect the quality of empathetic response.
Approach: They propose to use commonsense reasoning and reinforcement learning to generate empathetic response based on in-context commonsensing and contextual reasoning to broaden cognitive boundaries.
Outcome: The proposed model outperforms state-of-the-art models in automatic and human evaluation.
E-CORE: Emotion Correlation Enhanced Empathetic Dialogue Generation (2023.emnlp-main)

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Challenge: Empathy is a desirable human trait that improves the emotional perceptivity in emotion-bonding social activities.
Approach: They propose a framework that integrates emotion correlation learning, utilization, and supervising.
Outcome: The proposed framework improves empathetic perception and expression on a humanized dialogue dataset.
Constructing Emotional Consensus and Utilizing Unpaired Data for Empathetic Dialogue Generation (2021.findings-emnlp)

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Challenge: Existing models for dialogue empathy focus on the emotion flow in one direction, from context to response.
Approach: They propose a dual-generative model to construct emotional consensus and use unpaired data to produce pseudo paired empathetic samples.
Outcome: The proposed model outperforms baseline models in producing coherent and empathetic responses.
Improving Empathetic Response Generation by Recognizing Emotion Cause in Conversations (2021.findings-emnlp)

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Challenge: Existing approaches to empathetic response generation ignore the emotion cause . existing dialogue systems lack emotion understanding and empathy .
Approach: They propose a framework that integrates emotion cause information into empathetic response generation by predicting context emotion labels and sequence of emotion cause-oriented labels.
Outcome: The proposed framework improves empathetic response generation by incorporating emotion cause information into the model.
Multi-Party Empathetic Dialogue Generation: A New Task for Dialog Systems (2022.acl-long)

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Challenge: Existing work on empathetic dialogues focused on the two-party scenario, but multi-party dialogues are pervasive in reality.
Approach: They propose a multi-party empathetic dialogue generation task that uses a static-dynamic model to explore emotion and sensibility.
Outcome: The proposed task is based on a model with static sensibility and dynamic emotion . it achieves state-of-the-art performance in multi-party empathetic dialogue learning .
Non-Emotion-Centric Empathetic Dialogue Generation (2025.coling-main)

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Challenge: Empathy is a social psychology theory that enables individuals to comprehend each other's experiences and emotions, thereby fostering more intimate interpersonal relationships.
Approach: They propose a framework for empathetic dialogue generation based on contrastive learning and context-sensitive entity and social commonsense that punishes responses with incorrect emotions and improves the quality of emotions.
Outcome: The proposed framework improves the quality of empathetic generation and generates more diverse responses in comparison with the state-of-the-art baselines.
From Multilingual Complexity to Emotional Clarity: Leveraging Commonsense to Unveil Emotions in Code-Mixed Dialogues (2023.emnlp-main)

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Challenge: Understanding emotions during conversation is a fundamental aspect of human communication.
Approach: They propose an approach that integrates commonsense information with dialogue context to facilitate a deeper understanding of emotions.
Outcome: The proposed approach improves ERC for code-mixed conversations by integrating commonsense with dialogue context.

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