OMPI: Optimizing MPI Programs using Partial Evaluation. - Hirotaka Ogawa; Satoshi Matsuoka (SC, 1996)

Towards a Parallel C++ Programming Language Based on Commodity Object-Oriented Technologies. - Satoshi Matsuoka; A. Nikami; Hirotaka Ogawa; Yutaka Ishikawa (ISCOPE, 1997)

Multi-client LAN/WAN Performance Analysis of Ninf: a High-Performance Global Computing System. - Atsuko Takefusa; Satoshi Matsuoka; Hirotaka Ogawa; Hidemoto Nakada; Hiromitsu Takagi; Mitsuhisa Sato; Satoshi Sekiguchi; Umpei Nagashima (SC, 1997)

OpenJIT Frontend System: An Implementation of the Reflective JIT Compiler Frontend. - Hirotaka Ogawa; Satoshi Matsuoka; Fuyuhiko Maruyama; Yukihiko Sohda; Kouya Shimura; Yasunori Kimura (Reflection and Software Engineering, 1999)

OMPC++ - A Portable High-Performance Implementation of DSM using OpenC++ Reflection. - Yukihiko Sohda; Hirotaka Ogawa; Satoshi Matsuoka (Reflection, 1999)

OpenJIT: An Open-Ended, Reflective JIT Compiler Framework for Java. - Hirotaka Ogawa; Kouya Shimura; Satoshi Matsuoka; Fuyuhiko Maruyama; Yukihiko Sohda; Yasunori Kimura (ECOOP, 2000)

Autonomous Con.guration of Grid Monitoring Systems. - Ken'ichiro Shirose; Satoshi Matsuoka; Hidemoto Nakada; Hirotaka Ogawa (SAINT Workshops, 2004)

The Second Trans-Pacific Grid Datafarm Testbed and Experiments for SC2003. - Osamu Tatebe; Hirotaka Ogawa; Yuetsu Kodama; Tomohiro Kudoh; Satoshi Sekiguchi; Satoshi Matsuoka; Kento Aida; Taisuke Boku; Mitsuhisa Sato; Youhei Morita; Yoshinori Kitatsuji; Jim Williams; et al. (SAINT Workshops, 2004)

GridASP: an ASP framework for Grid utility computing. - Hirotaka Ogawa; Satoshi Itoh; Tetsuya Sonoda; Satoshi Sekiguchi (Concurr. Comput. Pract. Exp., 2007)

A Multi-Site Virtual Cluster System for Wide Area Networks. - Takahiro Hirofuchi; Takeshi Yokoi; Tadashi Ebara; Yusuke Tanimura; Hirotaka Ogawa; Hidetomo Nakada; Yoshio Tanaka; Satoshi Sekiguchi (LASCO, 2008)

A Live Storage Migration Mechanism over WAN for Relocatable Virtual Machine Services on Clouds. - Takahiro Hirofuchi; Hirotaka Ogawa; Hidemoto Nakada; Satoshi Itoh; Satoshi Sekiguchi (CCGRID, 2009)

A live storage migration mechanism over wan and its performance evaluation. - Takahiro Hirofuchi; Hidemoto Nakada; Hirotaka Ogawa; Satoshi Itoh; Satoshi Sekiguchi (VTDC@ICAC, 2009)

Toward Virtual Machine Packing Optimization Based on Genetic Algorithm. - Hidemoto Nakada; Takahiro Hirofuchi; Hirotaka Ogawa; Satoshi Itoh (IWANN (2), 2009)

SSS: An Implementation of Key-Value Store Based MapReduce Framework. - Hirotaka Ogawa; Hidemoto Nakada; Ryousei Takano; Tomohiro Kudoh (CloudCom, 2010)

Eliminating Datacenter Idle Power with Dynamic and Intelligent VM Relocation. - Takahiro Hirofuchi; Hidemoto Nakada; Hirotaka Ogawa; Satoshi Itoh; Satoshi Sekiguchi (DCAI, 2010)

Poster: SSS: a mapreduce framework based on distributed key-value store. - Hidemoto Nakada; Hirotaka Ogawa; Tomohiro Kudoh (SC Companion, 2011)

Stream processing with BigData: SSS-MapReduce. - Hidemoto Nakada; Hirotaka Ogawa; Tomohiro Kudoh (CloudCom, 2012)

Sophy: a morphological framework for structuring geo-referenced social media. - Kyoung-Sook Kim 001; Hirotaka Ogawa; Akihito Nakamura; Isao Kojima (LBSN@SIGSPATIAL/GIS, 2014)

Improvement of Join Algorithms for Low-Selectivity Joins on MapReduce. - Akiyoshi Matono; Hirotaka Ogawa; Isao Kojima (ADC, 2015)

RendezView: Look at Meanings of an Encounter Region over Local Social Flocks. - Kyoung-Sook Kim 001; Melissa Bica; Isao Kojima; Hirotaka Ogawa (IWGS, 2015)

RALFIE: a life-logging system for reducing potential radiation exposures. - Kyoung-Sook Kim 001; Isao Kojima; Ryoichi Suzuki; Wataru Naito; Hirotaka Ogawa (EM-GIS, 2015)

I/O chunking and latency hiding approach for out-of-core sorting acceleration using GPU and flash NVM. - Hitoshi Sato; Ryo Mizote; Satoshi Matsuoka; Hirotaka Ogawa (IEEE BigData, 2016)

Performance Prediction of Memory Access Intensive Apps with Delay Insertion: A Vision. - Soramichi Akiyama; Takahiro Hirofuchi; Hirotaka Ogawa (CloudCom, 2016)

Optimising Coverage, Freshness and Diversity in Live Exploration-based Linked Data Queries. - Steven J. Lynden; Makoto Yui; Akiyoshi Matono; Akihito Nakamura; Hirotaka Ogawa; Isao Kojima (WIMS, 2016)

Discovery of local topics by using latent spatio-temporal relationships in geo-social media. - Kyoung-Sook Kim 001; Isao Kojima; Hirotaka Ogawa (Int. J. Geogr. Inf. Sci., 2016)

Understanding and improving disk-based intermediate data caching in Spark. - Kaihui Zhang; Yusuke Tanimura; Hidemoto Nakada; Hirotaka Ogawa (IEEE BigData, 2017)

Stinuum: A Holistic Visual Analysis of Moving Objects with Open Source Software. - Kyoung-Sook Kim 001; Dongmin Kim; Hyemi Jeong; Hirotaka Ogawa (SIGSPATIAL/GIS, 2017)

Optimal KD-Partitioning for the Local Outlier Detection in Geo-Social Points. - Teerawat Kumrai; Kyoung-Sook Kim 001; Mianxiong Dong; Hirotaka Ogawa (ISNN (1), 2017)

MixedWalk: Explore Ahead before Stepping in Mobile Augmented Reality Services. - Jun Lee; Kyoung-Sook Kim 001; Hirotaka Ogawa; Yongjin Kwon (AIMS@SERVICES, 2017)

Understanding human perceptual experience in unstructured data on the web. - Jun Lee; Kyoung-Sook Kim 001; Yongjin Kwon; Hirotaka Ogawa (WI, 2017)

Spatial Footprints of Human Perceptual Experience in Geo-Social Media. - Jun Lee; Hirotaka Ogawa; Yongjin Kwon; Kyoung-Sook Kim 001 (ISPRS Int. J. Geo Inf., 2018)

Building and Evaluation of Cloud Storage and Datasets Services on AI and HPC Converged Infrastructure. - Yusuke Tanimura; Shin'ichiro Takizawa; Hirotaka Ogawa; Takahiro Hamanishi (IEEE BigData, 2020)

Performance portable back-projection algorithms on CPUs: agnostic data locality and vectorization optimizations. - Peng Chen 035; Mohamed Wahib; Xiao Wang 004; Shin'ichiro Takizawa; Takahiro Hirofuchi; Hirotaka Ogawa; Satoshi Matsuoka (ICS, 2021)

Scalable FBP decomposition for cone-beam CT reconstruction. - Peng Chen 035; Mohamed Wahib; Xiao Wang 004; Takahiro Hirofuchi; Hirotaka Ogawa; Ander Biguri; Richard P. Boardman; Thomas Blumensath; Satoshi Matsuoka (SC, 2021)

ABCI 3.0: Evolution of the leading AI infrastructure in Japan. - Ryousei Takano; Shin'ichiro Takizawa; Yusuke Tanimura; Hidemoto Nakada; Hirotaka Ogawa (CoRR, 2024)