A Large-Scale Evaluation of Acoustic and Subjective Music-Similarity Measures
Computer Music Journal
Music information retrieval using social tags and audio
IEEE Transactions on Multimedia - Special section on communities and media computing
Audio-to-Tag mapping: A novel approach for music similarity computation
ICME '11 Proceedings of the 2011 IEEE International Conference on Multimedia and Expo
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Similarity measurement between two musical pieces is a hard problem. Humans perceive such similarity by employing a large amount of contextually semantic information. Commonly used content-based methodologies rely on data descriptors of limited semantic value, and thus are reaching a performance ''upper bound''. Recent research pertaining to contextual information assigned as free-form text (tags) in social networking services has indicated tags to be highly effective in improving the accuracy of music similarity. In this paper, a large scale (20k real music data) similarity measurement is performed using mainstream off-the-shelf methodologies relying on both content and context. In addition, the accuracy of the examined methodologies is tested against not only objective metadata but also real-life user listening data as well. Experimental results illustrate the conditionally substantial gains of the context-based methodologies and not a so close match of these methods with the similarity based on real-user listening data.