arXiv:2502.09294cs.AI2025-02中稿 · 12th International…

情感计算数据收集需考虑意义的模糊性与上下文,否则模型预测不可靠。

Indeterminacy in Affective Computing: Considering Meaning and Context in Data Collection Practices

  • 提出情感解释过程中的不确定性、主观性等四类模糊特质
  • 指出忽略这些特质会导致模型预测失真
  • 建议在数据收集中系统纳入上下文与模糊性考量,适合研究者参考

自动情感预测(AAP)通过文本、语音、图像和生理信号等输入,利用机器学习模型预测情绪或心境。这些模型依赖标注训练数据,而所有数据均源于人类的情感解释过程,生成特定情感意义。研究表明,这种意义具有根本性的复杂性,表现为四大不确定性特征:主观性(意义因人而异)、不确定性(对意义正确性缺乏信心)、模糊性(包含相互排斥的概念)和模糊性(意义存在于嵌套层级中)。忽视这些特性将导致预测结果不可靠。本文主张,应对这些不确定性的关键在于改进数据收集实践,系统性地纳入相关不确定性特征和解释过程的上下文。为此,我们构建了情感解释过程(AIPs)与不确定性特征(QIs)的概念模型,以及上下文结构框架,以支持理解其作用。最后,基于该框架分析了上下文敏感性在数据收集中的挑战。我们认为,该工作可推动对不确定性与上下文在情感计算中作用的系统讨论,促进更科学的数据收集与分析方法发展。

原文摘要 · Abstract (English)

Automatic Affect Prediction (AAP) uses computational analysis of input data such as text, speech, images, and physiological signals to predict various affective phenomena (e.g., emotions or moods). These models are typically constructed using supervised machine-learning algorithms, which rely heavily on labeled training datasets. In this position paper, we posit that all AAP training data are derived from human Affective Interpretation Processes, resulting in a form of Affective Meaning. Research on human affect indicates a form of complexity that is fundamental to such meaning: it can possess what we refer to here broadly as Qualities of Indeterminacy (QIs) - encompassing Subjectivity (meaning depends on who is interpreting), Uncertainty (lack of confidence regarding meanings' correctness), Ambiguity (meaning contains mutually exclusive concepts) and Vagueness (meaning is situated at different levels in a nested hierarchy). Failing to appropriately consider QIs leads to results incapable of meaningful and reliable predictions. Based on this premise, we argue that a crucial step in adequately addressing indeterminacy in AAP is the development of data collection practices for modeling corpora that involve the systematic consideration of 1) a relevant set of QIs and 2) context for the associated interpretation processes. To this end, we are 1) outlining a conceptual model of AIPs and the QIs associated with the meaning these produce and a conceptual structure of relevant context, supporting understanding of its role. Finally, we use our framework for 2) discussing examples of context-sensitivity-related challenges for addressing QIs in data collection setups. We believe our efforts can stimulate a structured discussion of both the role of aspects of indeterminacy and context in research on AAP, informing the development of better practices for data collection and analysis.

情感计算数据标注不确定性上下文

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