Hong zhu, Hongbo Li, Zongmin Cui, Zhongsheng Cao, Meiyi Xie, Vol. 12, No. 12, December 30, 2018
10.3837/tiis.2018.12.015

• Top-k
• geo-textual, publish/subscribe, efficient and flexible, text classification

Hong Zhu, Bin Wu, Meiyi Xie, Zongmin Cui, Vol. 10, No. 10, October 30, 2016
10.3837/tiis.2016.10.029

• encrypted graph
• boolean expression
• adjacent vertex search
• Cloud computing
• Searchable encryption