- M.H. Lee, Y.S. Ryu, T.S. Chung, N.S. Park, “Performance Evaluation of a Chip-MultiThreading Server for High Performance Computing Applications,” Lecture Notes in Computer Science (HiPC 2006), Vol. 4297, Springer-Verlag, pp. 572-582, Dec. 2006
- L.Z. Han, Y.S. Ryu, “A Cleaning Policy for Flash Memory File System,” International Journal of Natural Science and Technology, Sep. 2006
- L.Z. Han, Y.S. Ryu, K.S. Yim, “CATA: Garbage Collection Scheme for Flash Memory File System," Lecture Notes in Computer Science, Sep. 2006.
- L.Z. Han, Y.S. Ryu, T.S. Chung, M.H. Lee, S.W. Hong, "An Intelligent Garbage Collection Algorithm for Flash Memory Storages," Lecture Notes in Computer Science, Vol. 3980, pp.1019-1027, May. 2006.
- K.S. Lim, J.D. Lee, J. Park, J. Yoo, C.S. Im, Y.S. Ryu, "A Software Reproduction of Virtual Memory for Deeply Embedded Systems," Lecture Notes in Computer Science, Vol. 3980, pp.1000-1009, May. 2006.
- L.Z. Han, Y.S. Ryu, “A Cleaning Policy for Flash Memory File System,” in Proceedings of International Conference on Mobile Computing, Communications, and Applications (ICMOCCA 2006), Seoul, Korea, Aug. 2006
- M.H. Lee, Y.S. Ryu, S.W. Hong, C.K. Lee, “Performance Impact of Resource Conflicts on Chip Multi-Processor Servers,” in Proceedings of PARA(Workshop on State-of-the-Art In Scientific and Parallel Computing), Umea, Sweden, Jun. 2006.
- T.S. Chung, D.J. Park, M.H. Lee, Y.S. Ryu, "Challenging Issues in Large Block Flash Memory," Proceedings of ICCSA, Glasgow, Scotland, May. 2006.
- K.Y. Kim, S.D. Kim, S.H. Koh, Y.S. Ryu, S.H. Choi, U.C. Park, “Design of Global Schema for Database Integration,” in Proceeding of Korea Multimedia Society Fall Conference, Nov. 2006
- Y.S. Yoo, L.Z. Han, Y.S. Ryu, "Performance Evaluation of LRU Replacement Algorithm for Flash-based Cache System," Proceedings of Koream Mobile Society Spring Conference, May. 2006.
- Y.S. Ryu, "Method of establishing communication exchange between a terminal of a packet-based network and a terminal connected to a remote access server," European Patent EP1081920, Nov. 15, 2006 (application: Aug. 25, 2000)
- Y.S. Ryu, "Method for Controling Flash Memory Device," Korea Patent No. 10-0638638, Oct. 19, 2006 (Application: Sep. 3, 2004).