用Reddit对话训练对话系统，主动强化用户积极价值观。
Dialogue Systems for Emotional Support via Value Reinforcement
- 基于Reddit对话数据，自动识别并引导用户价值正向发展。
- 在情绪强度与价值强化任务中均优于多个基线模型。
- 适合心理支持、人机共情等需深层情感理解的场景。
情感支持对话系统旨在减轻求助者困扰并助其克服挑战。尽管人类价值观——塑造个体优先级的核心信念——在现代心理治疗中日益重要，对促进内在转变和长期情绪健康具有关键作用，但其在情感支持系统中的整合仍鲜有研究。为此，我们提出一种以价值观为导向的训练方法，用于情感支持对话系统的构建，旨在每轮对话中识别应强化的价值观及其方式。该方法利用Reddit上的在线支持对话进行训练，评估涵盖支持技能、求助者情绪强度及价值观强化三方面表现。实验结果表明，该方法持续优于多种基线模型，有效探索并激发求助者的内在价值。此外，借助Reddit的众包知识显著提升了系统效果。治疗师指出，该系统能有效验证求助者的困境，并强调其处境中的积极面，这两点正是价值强化的关键。本工作首次将价值强化引入情感支持系统，展现出巨大潜力，并为后续研究奠定基础。
原文摘要 · Abstract (English)
Emotional support dialogue systems aim to reduce help-seekers' distress and help them overcome challenges. While human values$\unicode{x2013}$core beliefs that shape an individual's priorities$\unicode{x2013}$are increasingly emphasized in contemporary psychological therapy for their role in fostering internal transformation and long-term emotional well-being, their integration into emotional support systems remains underexplored. To bridge this gap, we present a value-driven method for training emotional support dialogue systems designed to reinforce positive values in seekers. Notably, our model identifies which values to reinforce at each turn and how to do so, by leveraging online support conversations from Reddit. We evaluate the method across support skills, seekers' emotional intensity, and value reinforcement. Our method consistently outperforms various baselines, effectively exploring and eliciting values from seekers. Additionally, leveraging crowd knowledge from Reddit significantly enhances its effectiveness. Therapists highlighted its ability to validate seekers' challenges and emphasize positive aspects of their situations$\unicode{x2013}$both crucial elements of value reinforcement. Our work, being the first to integrate value reinforcement into emotional support systems, demonstrates its promise and establishes a foundation for future research.
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