Solving two special dependency conflicts in real-time collaborative design systems. - Liping Gao; Shuxian Guo; Yuben Zhang; Shanshan Wang; Qingkui Chen; Tun Lu (CSCWD, 2013)

Undo/Redo Operations in Bitmap-Based Collaborative Graphic Editing Systems. - Liping Gao; Fangyu Yu; Qiongqiong Fu; Yuben Zhang; Shanshan Wang; Naixue Xiong (HCC, 2014)

A multi-version document storage strategy based on chord in large-scale real time collaborative environments. - Liping Gao; Yuben Zhang; Lili Gao; Qingkui Chen (Int. J. Auton. Adapt. Commun. Syst., 2017)