Research Achievements

PolyCard: A learned cardinality estimator for intersection queries on spatial polygons

Yuchen Ji, Daichi Amagata, Yuya Sasaki, Takahiro Hara

Journal of Intelligent Information Systems

6, 2025

DOI: 10.1007/s10844-025-00921-z

Vol/No/Pages: Vol. 63 , No. 3 , pp. 873 - 891

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

Space Filling Approach for Distributed Processing of Top-k Dominating Queries

Daichi Amagata, Takahiro Hara, Makoto Onizuka

IEEE Trans. Knowl. Data Eng.

2018

Vol/No/Pages: Vol. 30(6) , pp. 1150 -- 1163

Annotation and Auto-scrolling for Web Page Overview in Mobile Web Browsing

Yuki Arase, Takahiro Hara, Toshiaki Uemukai, Shojiro Nishio

International Journal of Handheld Computing Research

10, 2010

Vol/No/Pages: Vol. 1 , No. 4.0 , pp. 63 -- 80

A Web Browsing System for Cellular Phone Users Based on Adaptive Presentation

Yuki Arase, Takuya Maekawa, Takahiro Hara, Toshiaki Uemukai, Shojiro Nishio

Universal Access in the Information Society

11, 2007

Vol/No/Pages: Vol. 6 , No. 3.0 , pp. 259 -- 271