| 2012 | MOMM | Automatic image tagging using two-layered Bayesian networks and mobile data from smart phones. | Youngseol Lee, Sung-Bae Cho |
| 2012 | SIGGRAPH | Dynamic quest plot generation using Petri net planning. | Youngseol Lee, Sung-Bae Cho |
| 2011 | CEC | Structure evolution of dynamic Bayesian network for traffic accident detection. | Ju-Won Hwang, Youngseol Lee, Sung-Bae Cho |
| 2011 | HAIS | Activity Recognition Using Hierarchical Hidden Markov Models on a Smartphone with 3D Accelerometer. | Youngseol Lee, Sung-Bae Cho |
| 2011 | ICONIP | Human Activity Inference Using Hierarchical Bayesian Network in Mobile Contexts. | Youngseol Lee, Sung-Bae Cho |
| 2010 | CEC | Mobile interface for adaptive image refinement using interactive evolutionary computing. | Tae-min Jung, Youngseol Lee, Sung-Bae Cho |
| 2010 | CEC | Analysis of evolutionary process using evolutionary activity and modular schema analysis. | Youngseol Lee, Sung-Bae Cho |
| 2010 | PKAW | Mobile Sync-application for Life Logging and High-Level Context Using Bayesian Network. | Tae-min Jung, Youngseol Lee, Sung-Bae Cho |
| 2010 | UIC | Hierarchical Probabilistic Network-Based System for Traffic Accident Detection at Intersections. | Ju-Won Hwang, Youngseol Lee, Sung-Bae Cho |
| 2009 | MOMM | Automatic weblog generation using mobile context. | Youngseol Lee, Sung-Bae Cho |
| 2008 | ICAISC | Life Story Generation Using Mobile Context and Petri Net. | Youngseol Lee, Sung-Bae Cho |
| 2008 | UIC | Petri Net-Based Episode Detection and Story Generation from Ubiquitous Life Log. | Youngseol Lee, Sung-Bae Cho |
| 2007 | IDEAL | Extracting Meaningful Contexts from Mobile Life Log. | Youngseol Lee, Sung-Bae Cho |