Research Achievements

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

Efficient Framework for Processing Top-k Queries with Replication in Mobile Ad Hoc Networks

Yuya Sasaki, Takahiro Hara, Yoshiharu Ishikawa

GeoInformatica

2019

Top-k Query Processing with Replication Strategy in Mobile Ad Hoc Networks

Yuya Sasaki, Takahiro Hara, Yoshiharu Ishikawa

In Proceedings of Mobile Data Management

6, 2018