3 papers
cs.AI2026
ActivityEditor: Learning to Synthesize Physically Valid Human Mobility
Chenjie Yang, Yutian Jiang, Anqi Liang +3
Human mobility modeling is indispensable for diverse urban applications. However, existing data-driven methods often suffer from data scarcity, limiting their applicability in regi…
cs.DB2025
PGTuner: An Efficient Framework for Automatic and Transferable Configuration Tuning of Proximity Graphs
Hao Duan, Yitong Song, Bin Yao +1
Approximate Nearest Neighbor Search (ANNS) plays a crucial role in many key areas. Proximity graphs (PGs) are the leading method for ANNS, offering the best balance between query e…
cs.DS2024
UNIFY: Unified Index for Range Filtered Approximate Nearest Neighbors Search
Anqi Liang, Pengcheng Zhang, Bin Yao +3
This paper presents an efficient and scalable framework for Range Filtered Approximate Nearest Neighbors Search (RF-ANNS) over high-dimensional vectors associated with attribute va…