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arXiv 2404.16905cs.CLcs.SDeess.AS

Samsung Research China-Beijing 在 SemEval-2024 Task 3:一个用于对话中情绪-原因对抽取的多阶段框架

Samsung Research China-Beijing at SemEval-2024 Task 3: A multi-stage framework for Emotion-Cause Pair Extraction in Conversations

Samsung Research China-Beijing(三星中国研究院(北京));Samsung R&D Institute China-Beijing(三星中国研发院(北京))

Shen Zhang, Haojie Zhang, Jing Zhang, Xudong Zhang, Yimeng Zhuang, Jinting Wu

AI总结:

本研究提出一个多阶段框架,用于对话中的多模态情绪-原因对抽取,利用基于 Llama-2 的 InstructERC 识别情绪,并结合双流注意力模型和 MuTEC 抽取因果对与因果跨度,在 SemEval-2024 Task 3 的两个子任务中均获第一名。

摘要:

在人机交互中,智能体通过理解人类情绪来回应至关重要。揭示情绪的原因更具挑战性。一个名为 Multimodal Emotion-Cause Pair Extraction in Conversations 的新任务负责识别情绪并识别因果表达。在本研究中,我们提出了一个多阶段框架,在给定目标情绪的情况下生成情绪并抽取情绪因果对。在第一阶段,利用基于 Llama-2 的 InstructERC 来抽取对话中每个话语的情绪类别。在情绪识别之后,采用双流注意力模型为子任务2在给定目标情绪的情况下抽取情绪因果对,同时采用 MuTEC 为子任务1抽取因果跨度。我们的方法在竞赛中的两个子任务中均获得了第一名。

英文摘要:

In human-computer interaction, it is crucial for agents to respond to human by understanding their emotions. Unraveling the causes of emotions is more challenging. A new task named Multimodal Emotion-Cause Pair Extraction in Conversations is responsible for recognizing emotion and identifying causal expressions. In this study, we propose a multi-stage framework to generate emotion and extract the emotion causal pairs given the target emotion. In the first stage, Llama-2-based InstructERC is utilized to extract the emotion category of each utterance in a conversation. After emotion recognition, a two-stream attention model is employed to extract the emotion causal pairs given the target emotion for subtask 2 while MuTEC is employed to extract causal span for subtask 1. Our approach achieved first place for both of the two subtasks in the competition.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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