- Context-based Music Recommendation
- Machine Learning
- Blind Source Separation
- Hyung, Ziwon, Kibeom Lee, and Kyogu Lee. "Music recommendation using text analysis on song requests to radio stations." Expert Systems with Applications 41.5 (2014): 2608-2618.
- Hyung, Ziwon, and Kyogu Lee. "Recommending Music Based on Probabilistic Latent Semantic Analysis on Korean Radio Episodes." Intelligent Information Hiding and Multimedia Signal Processing, 2013 Ninth International Conference on. IEEE, 2013.
- Lee, Kyogu, Ziwon Hyung, and Juhan Nam. "Acoustic scene classification using sparse feature learning and event-based pooling." Applications of Signal Processing to Audio and Acoustics (WASPAA), 2013 IEEE Workshop on. IEEE, 2013.
- Hyung, Ziwon, MyoungA Lee, and Kyogu Lee. "Music recommendation based on text mining." IMMM 2012, The Second International Conference on Advances in Information Mining and Management. 2012.
- Han, Byeong-jun, et al. "A content-based music similarity retrieval scheme by using BoW representation and LSH-based retrieval." (2010).
- Music Recommender Systems
- Music-lyrics Alignment
- Development of Voice-based Diagnostic Marker for Depression