Couper: Memory-Efficient Cardinality Estimation under Unbalanced Distribution. - Xun Song; Jiaqi Zheng 001; Hao Qian; Shiju Zhao; Hongxuan Zhang; Xuntao Pan; Guihai Chen (ICDE, 2023)

In Search of a Memory-Efficient Framework for Online Cardinality Estimation. - Xun Song; Jiaqi Zheng 001; Hao Qian; Shiju Zhao; Hongxuan Zhang; Xuntao Pan; Guihai Chen (IEEE Trans. Knowl. Data Eng., 2025)