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arXiv · 2505.23452

What About Emotions? Guiding Fine-Grained Emotion Extraction from Mobile App Reviews

Quim Motger·Marc Oriol·Max Tiessler·Xavier Franch·Jordi Marco
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Abstract

Opinion mining plays a vital role in analysing user feedback and extracting insights from textual data. While most research focuses on sentiment polarity (e.g., positive, negative, neutral), fine-grained emotion classification in app reviews remains underexplored. Fine-grained emotion classification is thus needed to better understand users' affective responses and support downstream tasks such as feature-emotion analysis, user-oriented release planning, and issue triaging. This paper addresses this gap by identifying and addressing the challenges and limitations in fine-grained emotion analysis in the context of app reviews. Our study adapts Plutchik's emotion taxonomy to app reviews by developing a structured annotation framework and dataset. Through an iterative human annotation process, we define clear annotation guidelines and document key challenges in emotion classification. Additionally, we evaluate the feasibility of automating emotion annotation using large language models, assessing their cost-effectiveness and agreement with human-labelled data. Our findings reveal that while large language models significantly reduce manual effort and maintain substantial agreement with human annotators, full automation remains challenging due to the complexity of emotional interpretation. This work contributes to opinion mining in requirements engineering by providing structured guidelines, an annotated dataset, and insights for developing automated pipelines to capture the complexity of emotions in app reviews.

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Quim Motger, Marc Oriol, Max Tiessler, Xavier Franch, Jordi Marco. 2025-07-01. What About Emotions? Guiding Fine-Grained Emotion Extraction from Mobile App Reviews. https://doi.org/10.1109/re63999.2025.00012

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