研究成果

SAFE: Sampling-Assisted Fast Learned Cardinality Estimation for Dynamic Spatial Data

Yuchen Ji, Daichi Amagata, Yuya Sasaki, Takahiro Hara

Proceedings of 35th International Conference on Database and Expert Systems Applications (DEXA 2024)

2024

A Performance Study of One-dimensional Learned Cardinality Estimation

Yuchen Ji, Daichi Amagata, Yuya Sasaki, Takahiro Hara

International Workshop on Design, Optimization, Languages and Analytical Processing of Big Data (DOLAP)

2022年3月

Fast, exact, and parallel-friendly outlier detection algorithms with proximity graph in metric spaces

Daichi Amagata, Takahiro Hara, Makoto Onizuka

VLDB

2022

巻・号・ページ: Vol. 31 , pp. 797 -- 821

Fast and Exact Outlier Detection in Metric Spaces: A Proximity Graph-based Approach

Daichi Amagata, Makoto Onizuka, Takahiro Hara

ACM SIGMOD

2021年6月

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

2018年6月

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

Daichi Amagata, Takahiro Hara, Makoto Onizuka

IEEE Trans. Knowl. Data Eng.

2018

巻・号・ページ: Vol. 30(6) , pp. 1150 -- 1163

A Children-oriented Re-ranking Method for Web Search Engines

Mayu Iwata, Yuki Arase, Takahiro Hara, Shojiro Nishio

In Proceedings of International Conference on Web Information System Engineering

2010年12月

巻・号・ページ: pp. 225 -- 239

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

2010年10月

巻・号・ページ: Vol. 1 , No. 4.0 , pp. 63 -- 80

Mining People’s Trips from Large Scale Geo-Tagged Photos

Yuki Arase, Xing Xie, Takahiro Hara, Shojiro Nishio

In Proceedings of Association for Computing Machinery International Conference on Multimedia

2010年10月

巻・号・ページ: pp. 133 -- 142

A Game based Approach to Assign Geographical Relevance to Web Images

Yuki Arase, Xing Xie, Manni Duan, Takahiro Hara, Shojiro Nishio

In Proceedings of International World Wide Web Conference

2009年4月

巻・号・ページ: pp. 811 -- 820

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

2007年11月

巻・号・ページ: Vol. 6 , No. 3.0 , pp. 259 -- 271

OPA Browser: A Web Browser for Cellular Phone Users

Yuki Arase, Takahiro Hara, Toshiaki Uemukai, Shojiro Nishio

In Proceedings of Association for Computing Machinery Symposium on User Interface Software and Technology

2007年10月

巻・号・ページ: pp. 71 -- 80