HLA/RTI-Based BPM Middleware for Collaborative Business Process Management. - Byoung Kyu Choi; Duckwoong Lee; Donghun Kang (Business Process Management Workshops, 2009)

Timer Embedded Finite State Machine Modeling And Its Application. - Duckwoong Lee; Byoung Kyu Choi; Joohoe Kong (ECMS, 2010)

Mediator approach to direct workflow simulation. - Duckwoong Lee; Hayong Shin; Byoung Kyu Choi (Simul. Model. Pract. Theory, 2010)