Publications

June 2019
C. Xu, C. Zhang, and J. Xu. "vChain: Enabling Verifiable Boolean Range Queries over Blockchain Databases," ACM SIGMOD '19, Amsterdam, Netherlands, 2019. (news)
April 2019
C. Zhang, C. Xu, J. Xu, Y. Tang, and B. Choi. "GEM^2-Tree: A Gas-Efficient Structure for Authenticated Range Queries in Blockchain," IEEE ICDE '19, Macau, China, 2019.
June 2018
C. Xu, J. Xu, H. Hu, and M. H. Au. "When Query Authentication Meets Fine-Grained Access Control: A Zero-Knowledge Approach," ACM SIGMOD '18, Houston, TX, USA, 2018.
April 2018
C. Xu, Q. Chen, H. Hu, J. Xu, and X. Hei. "Authenticating Aggregate Queries over Set-Valued Data with Confidentiality," IEEE Transactions on Knowledge and Data Engineering (TKDE), vol. 30, no. 4, pp. 630-644, 2018.
March 2018
Y. Tang, Z. Xing, C. Xu, J. Chen, and J. Xu. "Lightweight Logging over the Blockchain for Data-Intensive Applications," The Second Workshop on Trusted Smart Contracts at Financial Cryptography, Curaçao, March 2018.
May 2017
X. Mei, X.-W. Chu, H. Liu, Y.-W. Leung, and Z. Li, "Energy Efficient Real-time Task Scheduling on CPU-GPU Hybrid Clusters," IEEE INFOCOM '17, GA, USA, May 2017.