| 2025 | BPM | BPMNinvest: Feedback on Change in Process Models. | Thomas M. Prinz, Yongsun Choi |
| 2025 | BPM | Progression: A Lightweight BPMN Engine Simplifying the Execution and Monitoring of Process Models. | Thomas M. Prinz, Yongsun Choi, Anja Vetterlein |
| 2022 | BPM | Understanding and Decomposing Control-Flow Loops in Business Process Models. | Thomas M. Prinz, Yongsun Choi, N. Long Ha |
| 2020 | IC3K | Towards Construction of Legal Ontology for Korean Legislation. | Thi Thuy Phan, Ho-Pun Lam, Mustafa Hashmi, Yongsun Choi |
| 2008 | CSCWD | FWAM: A flexible workflow authorization model using extended RBAC. | Le Yang, Yongsun Choi, Myeonggil Choi, Xinlei Zhao |
| 2007 | CSCWD | A Flexible Access Control Model for Dynamic Workflow Using Extended WAM and RBAC. | Le Yang, Yongsun Choi |
| 2007 | ICOST | Development of a Job Stress Evaluation Methodology Using Data Mining and RSM. | Yonghee Lee, Sangmun Shin, Yongsun Choi, Sang Do Lee |
| 2007 | SERA | Design of VY: A Mini Visual IDE for the Development of GUI in Embedded Devices. | Le Yang, Yongsun Choi, Changjun Seo, Tongfeng Yang, MinSung Kim |
| 2006 | CSCWD | Hierarchical Reachability Analysis for Workflow-Nets. | Yongsun Choi, Xinlei Zhao, Kwanhee Han |
| 2005 | ATVA | Decomposition-Based Verification of Cyclic Workflows. | Yongsun Choi, J. Leon Zhao |
| 2003 | IKE | Handling Cycles in Workflow Verification by Feedback Identification and Partition. | Yongsun Choi, J. Leon Zhao |
| 2003 | ICWS | Adaptive Workflow Management with Open Kernel Framework Based on Web Services. | Jinyoung Jang, Yongsun Choi, J. Leon Zhao |