Research Achievements

Approximate Nearest Neighbor Search for Modern AI: A Projection-Augmented Graph Approach

Kejing Lu, Zhenpeng Pan, Jianbin Qin, Yoshiharu Ishikawa, and Chuan Xiao

ICML 2026

7, 2026

Probabilistic Kernel Function for Fast Angle Testing

Kejing Lu, Chuan Xiao, Yoshiharu Ishikawa

International Conference on Learning Representations (ICLR)

4, 2026

Probabilistic Routing for Graph-Based Approximate Nearest Neighbor Search

Kejing Lu, Chuan Xiao, Yoshiharu Ishikawa

2024 International Conference on Machine Learning (ICML 2024)

2024

HVS: Hierarchical Graph Structure Based on Voronoi Diagrams for Solving Approximate Nearest Neighbor Search

Kejing Lu, Mineichi Kudo, Chuan Xiao, Yoshiharu Ishikawa

Proceedings of the VLDB Endowment (PVLDB)

2021

Vol/No/Pages: Vol. 15 , No. 2.0 , pp. 246 -- 258