3 papers
cs.DB2026
RaG-Tree: Combining R-Tree and HNSW for Multi-Attribute Range Filtered Approximate Nearest Neighbor Search
Jiawei Liu, Xiang Zhang, Chao Zhang +2
Multi-attribute range-filtered approximate nearest neighbor search (MR-ANNS), which retrieves high-dimensional vectors satisfying multiple attribute constraints, is a fundamental o…
cs.DB2024
PACE: Poisoning Attacks on Learned Cardinality Estimation
Jintao Zhang, Chao Zhang, Guoliang Li +1
Cardinality estimation (CE) plays a crucial role in database optimizer. We have witnessed the emergence of numerous learned CE models recently which can outperform traditional meth…
cs.DB2024
HTAP Databases: A Survey
Chao Zhang, Guoliang Li, Jintao Zhang +2
Since Gartner coined the term, Hybrid Transactional and Analytical Processing (HTAP), numerous HTAP databases have been proposed to combine transactions with analytics in order to…