CloudVista: Visual Cluster Exploration for Extreme Scale Data in the Cloud. - Keke Chen; Huiqi Xu; Fengguang Tian; Shumin Guo (SSDBM, 2011)

CloudVista: Interactive and Economical Visual Cluster Analysis for Big Data in the Cloud. - Huiqi Xu; Zhen Li; Shumin Guo; Keke Chen (Proc. VLDB Endow., 2012)

Building Confidential and Efficient Query Services in the Cloud with RASP Data Perturbation. - Huiqi Xu; Shumin Guo; Keke Chen (IEEE Trans. Knowl. Data Eng., 2014)