| 2008 | ISDA | A Dynamic Weighting Scheme for Providing Fair Communication Service to Nomadic Agents. | Sang Won Rhee, Kyu Yeong Jeon, Sung-Keun Song, Hyung Su Lee, Hee Yong Youn |
| 2007 | ICCSA | Publisher-side Event Filtering for QoS-Awareness in Ubiquitous Computing. | Kyu Bong Cho, Sung-Keun Song, Hee Yong Youn |
| 2007 | ICCSA | Dynamic Software Adaptation with Dependence Analysis for Multi-Agent Platform. | Seungwok Han, Sung-Keun Song, Hee Yong Youn |
| 2007 | ICCSA | Context-based Dynamic Channel Management for Efficient Event Service in Pervasive Computing. | Young Kwon You, Seungwok Han, Sung-Keun Song, Hee Yong Youn |
| 2006 | ICCS | An Efficient and Reflective Event Filtering for Context-Awareness in Ubiquitous Computing. | Kyu Bong Cho, Sung-Keun Song, Hee Yong Youn, Gyung-Leen Park |
| 2006 | ICCSA | A New Reflective and Reliable Context-Oriented Event Service Architecture for Pervasive Computing. | Sung-Keun Song, Hee Yong Youn, Ung-Mo Kim |
| 2004 | ICCS | On the Availability of Information Dispersal Scheme for Distributed Storage Systems. | Sung-Keun Song, Hee Yong Youn, Gyung-Leen Park, Kang Soo Tae |
| 2004 | ICCSA | A Two-Public Key Scheme Omitting Collision Problem in Digital Signature. | Sung-Keun Song, Hee Yong Youn, Chang-Won Park |
| 2004 | Networking | A New Digital Signature and Certificate Architecture with Shortest Certification Path. | Sung-Keun Song, Hee Yong Youn, Kang Shin Lee |
| 2003 | PACT | Deciding Optimal Information Dispersal for Parallel Computing with Failures. | Sung-Keun Song, Hee Yong Youn, Jong-Koo Park |