- Data Mining
- Knowledge-Based Systems Research and Applications
- Information Network Analysis
- IEEE 802.15.4 Network Software
- Embedded System Software
- J. Choi and K. Lee, “A Study on Historical Connectivity of Music and Society using Classical Opera in Knowledge Domain: From Viewpoint of Linked Data”, 제3회 첨단 융합과학기술 학술 대회, 2013.
- J. Choi, M. Nam, K. Lee, “Automatic Speaker Delay Adjustment System Using Wireless Audio Capability of ZigBee Networks”, AES 133rd Convention, 2012