| 2019 | SAC | Effects of virtual-avatar motion-synchrony levels on full-body interaction. | Changyeol Choi, Joohee Jun, Jiwoong Heo, Kwanguk (Kenny) Kim |
| 2007 | PDPTA | Power-Aware Patching Scheme for Mobile Streaming Environments. | Eysuk Jung, Changyeol Choi, Hwang Kyu Choi |
| 2006 | ICCSA | Thin-Client Computing for Supporting the QoS of Streaming Media in Mobile Devices. | Joahyoung Lee, Dongmahn Seo, Yoon Kim, Changyeol Choi, Hwang Kyu Choi, Inbum Jung |
| 2006 | ICCSA | Load Distribution Strategies in Cluster-Based Transcoding Servers for Mobile Clients. | Dongmahn Seo, Joahyoung Lee, Yoon Kim, Changyeol Choi, Hwang Kyu Choi, Inbum Jung |
| 2006 | PDPTA | A P2P Broadcasting Scheme for Video on Demand Services. | Hwang Kyu Choi, Yi Qi Gui, Eysuk Jung, Chi Hoon Lee, Inbum Jung, Changyeol Choi |
| 2005 | EUC | A Dependability Management Mechanism for Ubiquitous Computing Systems. | Changyeol Choi, Sungsoo Kim |
| 2005 | PDPTA | Peer-to-Peer Proxy Caching Scheme for a Large Scale VOD System in P2P Environment. | Chi Hun Lee, Chi Kyu Choi, Changyeol Choi, Hwang Kyu Choi |
| 2004 | ICCSA | Survivality Modeling for Quantitative Security Assessment in Ubiquitous Computing Systems. | Changyeol Choi, Sungsoo Kim, We-Duke Cho |
| 2003 | COMPSAC | Design and Implementation of a Cache-Conscious Index Manager for the Tachyon, a Main Memory DBMS. | Kyung-Tae Lee, Inbum Jung, Changyeol Choi, Wan Choi, Sang-Wook Kim |
| 2003 | ICCSA | Self-configuring Algorithm for Software Fault Tolerance in (n, k)-way Cluster Systems. | Changyeol Choi, Sungsoo Kim |
| 2003 | PDPTA | Adaptive Server Partition for Service Level Agreements in Cluster-Based Web Server. | Injae Jang, Changyeol Choi, Kiejin Park, Sungsoo Kim |
| 2003 | PDPTA | Efficient Dynamic Resource Reallocation Scheme Using Time-Slot Connection Pattern. | Jinsung Yi, Changyeol Choi, Kiejin Park, Sungsoo Kim |
| 2002 | CATA | An Effective Way to Guarantee the Physical Consistency of Lock Waiting Information in Main Memory Databases. | Sang-Wook Kim, Hwang Kyu Choi, Changyeol Choi, Ju-Ha Seo, Jeong-Il Park |
| 2002 | PDPTA | Adaptive Data Reorganization for Shared Storage Cluster Systems. | Changyeol Choi, Sungsoo Kim, Jyh-Charn Liu |