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This paper investigates the use of user mood, represented on the energy-valence spectrum, to enhance music recommendation systems. A mood-assisted recommendation system was developed and compared against a baseline system in single-blind experiments where participants rated the quality of recommendations. The results demonstrate that incorporating user mood significantly improves recommendation quality, suggesting a promising avenue for personalized music experiences.
Injecting user mood into music recommendation boosts perceived quality, proving that personalized listening experiences can be significantly improved by considering emotional state.
Recommendation systems have become essential in modern music streaming platforms, due to the vast amount of content available. A common approach in recommendation systems is collaborative filtering, which suggests content to users based on the preferences of others with similar patterns. However, this method performs poorly in domains where interactions are sparse, such as music. Content-based filtering is an alternative approach that examines the qualities of the items themselves. Prior work has explored a range of content-filtering techniques for music, including genre classification, instrument detection, and lyrics analysis. In the literature review component of this work, we examine these methods in detail. Music emotion recognition is a type of content-based filtering that is less explored but has significant potential. Since a user's emotional state influences their musical choices, incorporating user mood into recommendation systems is an alternative way to personalize the listening experience. In this study, we explore a mood-assisted recommendation system that suggests songs based on the desired mood using the energy-valence spectrum. Single-blind experiments are conducted, in which participants are presented with two recommendations (one generated from a mood-assisted recommendation system and one from a baseline system) and are asked to rate them. Results show that integrating user mood leads to a statistically significant improvement in recommendation quality, highlighting the potential of such approaches.
