A ranking algorithm for user-generated video contents based on social activities. - Lisa Wiyartanti; Yo-Sub Han; Laehyun Kim (ICDIM, 2008)

Clustering search results of non-text user generated content. - Pan Juasiripukdee; Lisa Wiyartanti; Laehyun Kim (ICDIM, 2010)

Managing Uncertainties in the Surgical Scheduling. - Lisa Wiyartanti; Myon-Woong Park; Dahee Chung; Jae Kwan Kim 002; Young Tae Sohn; Gyu Hyun Kwon (MIE, 2015)