Lixiao Zheng, Haiming Chen. Determinacy and rewriting of conjunctive queries over unary database schemas. In William C. Chu, W. Eric Wong, Mathew J. Palakal, Chih-Cheng Hung, editors, Proceedings of the 2011 ACM Symposium on Applied Computing (SAC), TaiChung, Taiwan, March 21 - 24, 2011. pages 1039-1044, ACM, 2011. [doi]
Abstract is missing.