Are You Satisfied with Your Recommendation Service?: Discovering Social Networks for Personalized Mobile Services. - Jason J. Jung; Kono Kim; Hojin Lee; Seongrae Park (KES-AMSTA, 2008)

Mobile advertisement system using data push scheduling based on user preference. - Young-Suk Kim; Joon-Woo Lee; Seongrae Park; ByoungCheol Choi (WTS, 2009)