Design and Implementation of a Collaboration Messenger System Based on MQTT Protocol. - Hyun Cheon Hwang; JiSu Park; Jin Gon Shon (CSA/CUTE, 2015)

An Enhanced Reliable Message Transmission System Based on MQTT Protocol in IoT Environment. - Hyun Cheon Hwang; Ji Su Park; Byeong Rae Lee; Jin Gon Shon (CSA/CUTE, 2016)

Design and Implementation of a Reliable Message Transmission System Based on MQTT Protocol in IoT. - Hyun Cheon Hwang; JiSu Park; Jin Gon Shon (Wirel. Pers. Commun., 2016)

The Design and Implementation of an Enhanced Document Archive System Based on PDF. - Hyun Cheon Hwang; JiSu Park; Byeong Rae Lee; Jin Gon Shon (MUE/FutureTech, 2018)

Design and Implementation of the Document HTML System for Preserving Content Integrity. - Hyun Cheon Hwang; Ji Su Park; Jin Gon Shon (J. Inf. Process. Syst., 2023)