A PKI System for Detecting the Exposure of a User's Secret Key. - YoungGyo Lee; Jeonghee Ahn; Seungjoo Kim; Dongho Won (EuroPKI, 2006)

A Countermeasure of Fake Root Key Installation Using One-Time Hash Chain. - YoungGyo Lee; Jeonghee Ahn; Seungjoo Kim; Dongho Won (KES-AMSTA, 2007)

Construction of an indoor positioning system for home IoT applications. - Sangjae Lee; Namkyoung Lee; Jeonghee Ahn; Jaewon Kim; Byoungchul Moon; Suk Hoon Jung; Dongsoo Han (ICC, 2017)

Crowd-assisted radio map construction for Wi-Fi positioning systems. - Jeonghee Ahn; Dongsoo Han (IPIN, 2017)

Automatic Radio Map Construction Exploiting Mobile Payments. - Jeonghee Ahn; Dongsoo Han (MDM, 2019)