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

Consistent and Flexible Selectivity Estimation for High-Dimensional Data.

Yaoshu Wang, Chuan Xiao, Jianbin Qin, Rui Mao, Makoto Onizuka, Wei Wang, Rui Zhang, Yoshiharu Ishikawa

ACM SIGMOD International Conference on Management of Data (SIGMOD) 2021.

6, 2021

NGNC: A Flexible and Efficient Framework for Error-Tolerant Query Autocompletion

Yukai Miao, Jianbin Qin, Sheng Hu, Yuyang Dong, Yoshiharu Ishikawa, Makoto Onizuka

Fourth Workshop on Software Foundations for Data Interoperability

9, 2020

Fast Subtrajectory Similarity Search in Road Networks under Weighted Edit Distance Constraints

Satoshi Koide, Chuan Xiao, Yoshiharu Ishikawa

In Proceedings of the Very Large Data Bases Endowment,

7, 2020

Vol/No/Pages: Vol. 13 , No. 11.0 , pp. 2188 -- 2201

Road Segment Interpolation for Incomplete Road Data

Yuya Sasaki, Jiahao Yu, Yoshiharu Ishikawa

In Proceedings of International Conference on Big Data and Smart Computing

2, 2019

Sequenced Route Query with Semantic Hierarchy

Yoshiharu Ishikawa, Yasuhiro Fujiwara, Makoto Onizuka

In Proceedings of International Conference on Extending Database Technology

3, 2018

Vol/No/Pages: pp. 37 -- 48