Emotion Entanglement and Bayesian Inference for Multi-Dimensional Emotion Understanding

• URL: http://arxiv.org/abs/2604.00819v1
• Date: Wed, 01 Apr 2026 12:27:04 GMT
• Title: Emotion Entanglement and Bayesian Inference for Multi-Dimensional Emotion Understanding
• Abstract summary: EmoScene is a theory-grounded benchmark of 4,731 context-rich scenarios annotated with an 8-dimensional emotion vector.<n>We propose an entanglement-aware Bayesian inference framework that incorporates emotion co-occurrence statistics to perform joint posterior inference over the emotion vector.
• Score: 40.766332191425
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Understanding emotions in natural language is inherently a multi-dimensional reasoning problem, where multiple affective signals interact through context, interpersonal relations, and situational cues. However, most existing emotion understanding benchmarks rely on short texts and predefined emotion labels, reducing this process to independent label prediction and ignoring the structured dependencies among emotions. To address this limitation, we introduce Emotional Scenarios (EmoScene), a theory-grounded benchmark of 4,731 context-rich scenarios annotated with an 8-dimensional emotion vector derived from Plutchik's basic emotions. We evaluate six instruction-tuned large language models in a zero-shot setting and observe modest performance, with the best model achieving a Macro F1 of 0.501, highlighting the difficulty of context-aware multi-label emotion prediction. Motivated by the observation that emotions rarely occur independently, we further propose an entanglement-aware Bayesian inference framework that incorporates emotion co-occurrence statistics to perform joint posterior inference over the emotion vector. This lightweight post-processing improves structural consistency of predictions and yields notable gains for weaker models (e.g., +0.051 Macro F1 for Qwen2.5-7B). EmoScene therefore provides a challenging benchmark for studying multi-dimensional emotion understanding and the limitations of current language models.

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