Video: WiFi-honk: smartphone-based beacon stuffed WiFi Car2X-communication system for vulnerable road user safety. - Kaustubh Dhondge; Sejun Song; Younghwan Jang; Hyungbae Park; Sunae Shin; Baek-Young Choi (MobiSys, 2014)

Effective Opportunistic Crowd Sensing IoT System for Restoring Missing Objects. - Sejun Song; Sunae Shin; Younghwan Jang; Seoungjin Lee; Baek-Young Choi (SCC, 2015)