Hirotaka Ogawa

According to our database, Hirotaka Ogawa authored at least 34 papers between 1996 and 2021.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of four.

2021

Scalable FBP decomposition for cone-beam CT reconstruction.

Peng Chen, Mohamed Wahib, Xiao Wang, Takahiro Hirofuchi, Hirotaka Ogawa, Ander Biguri, Richard P. Boardman, Thomas Blumensath, Satoshi Matsuoka

Proceedings of the International Conference for High Performance Computing, 2021

Performance portable back-projection algorithms on CPUs: agnostic data locality and vectorization optimizations.

Peng Chen, Mohamed Wahib, Xiao Wang, Shin'ichiro Takizawa, Takahiro Hirofuchi, Hirotaka Ogawa, Satoshi Matsuoka

Proceedings of the ICS '21: 2021 International Conference on Supercomputing, 2021

2020

Building and Evaluation of Cloud Storage and Datasets Services on AI and HPC Converged Infrastructure.

Yusuke Tanimura, Shin'ichiro Takizawa, Hirotaka Ogawa, Takahiro Hamanishi

Proceedings of the 2020 IEEE International Conference on Big Data (IEEE BigData 2020), 2020

2018

Spatial Footprints of Human Perceptual Experience in Geo-Social Media.

Jun Lee, Hirotaka Ogawa, Yongjin Kwon, Kyoung-Sook Kim

ISPRS Int. J. Geo Inf., 2018

2017

Understanding human perceptual experience in unstructured data on the web.

Jun Lee, Kyoung-Sook Kim, Yongjin Kwon, Hirotaka Ogawa

Proceedings of the International Conference on Web Intelligence, 2017

MixedWalk: Explore Ahead before Stepping in Mobile Augmented Reality Services.

Jun Lee, Kyoung-Sook Kim, Hirotaka Ogawa, Yongjin Kwon

Proceedings of the IEEE International Conference on AI & Mobile Services, 2017

Optimal KD-Partitioning for the Local Outlier Detection in Geo-Social Points.

Teerawat Kumrai, Kyoung-Sook Kim, Mianxiong Dong, Hirotaka Ogawa

Proceedings of the Advances in Neural Networks - ISNN 2017 - 14th International Symposium, 2017

Stinuum: A Holistic Visual Analysis of Moving Objects with Open Source Software.

Kyoung-Sook Kim, Dongmin Kim, Hyemi Jeong, Hirotaka Ogawa

Proceedings of the 25th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems, 2017

Understanding and improving disk-based intermediate data caching in Spark.

Kaihui Zhang, Yusuke Tanimura, Hidemoto Nakada, Hirotaka Ogawa

Proceedings of the 2017 IEEE International Conference on Big Data (IEEE BigData 2017), 2017

2016

Discovery of local topics by using latent spatio-temporal relationships in geo-social media.

Kyoung-Sook Kim, Isao Kojima, Hirotaka Ogawa

Int. J. Geogr. Inf. Sci., 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

Proceedings of the 6th International Conference on Web Intelligence, Mining and Semantics, 2016

Performance Prediction of Memory Access Intensive Apps with Delay Insertion: A Vision.

Soramichi Akiyama, Takahiro Hirofuchi, Hirotaka Ogawa

Proceedings of the 2016 IEEE International Conference on Cloud Computing Technology and Science, 2016

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

Proceedings of the 2016 IEEE International Conference on Big Data (IEEE BigData 2016), 2016

2015

RALFIE: a life-logging system for reducing potential radiation exposures.

Kyoung-Sook Kim, Isao Kojima, Ryoichi Suzuki, Wataru Naito, Hirotaka Ogawa

Proceedings of the 1st ACM SIGSPATIAL International Workshop on the Use of GIS in Emergency Management, 2015

RendezView: Look at Meanings of an Encounter Region over Local Social Flocks.

Kyoung-Sook Kim, Melissa Bica, Isao Kojima, Hirotaka Ogawa

Proceedings of the 6th ACM SIGSPATIAL International Workshop on GeoStreaming, 2015

Improvement of Join Algorithms for Low-Selectivity Joins on MapReduce.

Akiyoshi Matono, Hirotaka Ogawa, Isao Kojima

Proceedings of the Databases Theory and Applications, 2015

2014

Sophy: a morphological framework for structuring geo-referenced social media.

Kyoung-Sook Kim, Hirotaka Ogawa, Akihito Nakamura, Isao Kojima

Proceedings of the 7th ACM SIGSPATIAL International Workshop on Location-Based Social Networks, 2014

2012

Stream processing with BigData: SSS-MapReduce.

Hidemoto Nakada, Hirotaka Ogawa, Tomohiro Kudoh

Proceedings of the 4th IEEE International Conference on Cloud Computing Technology and Science Proceedings, 2012

2011

Poster: SSS: a mapreduce framework based on distributed key-value store.

Hidemoto Nakada, Hirotaka Ogawa, Tomohiro Kudoh

Proceedings of the Conference on High Performance Computing Networking, Storage and Analysis, 2011

2010

Eliminating Datacenter Idle Power with Dynamic and Intelligent VM Relocation.

Takahiro Hirofuchi, Hidemoto Nakada, Hirotaka Ogawa, Satoshi Itoh, Satoshi Sekiguchi

Proceedings of the Distributed Computing and Artificial Intelligence, 2010

SSS: An Implementation of Key-Value Store Based MapReduce Framework.

Hirotaka Ogawa, Hidemoto Nakada, Ryousei Takano, Tomohiro Kudoh

Proceedings of the Cloud Computing, Second International Conference, 2010

2009

Toward Virtual Machine Packing Optimization Based on Genetic Algorithm.

Hidemoto Nakada, Takahiro Hirofuchi, Hirotaka Ogawa, Satoshi Itoh

Proceedings of the Distributed Computing, 2009

A live storage migration mechanism over wan and its performance evaluation.

Takahiro Hirofuchi, Hidemoto Nakada, Hirotaka Ogawa, Satoshi Itoh, Satoshi Sekiguchi

Proceedings of the 3rd International Workshop on Virtualization Technologies in Distributed Computing, 2009

A Live Storage Migration Mechanism over WAN for Relocatable Virtual Machine Services on Clouds.

Takahiro Hirofuchi, Hirotaka Ogawa, Hidemoto Nakada, Satoshi Itoh, Satoshi Sekiguchi

Proceedings of the 9th IEEE/ACM International Symposium on Cluster Computing and the Grid, 2009

2008

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

Proceedings of the First USENIX Workshop on Large-Scale Computing, 2008

2007

GridASP: an ASP framework for Grid utility computing.

Hirotaka Ogawa, Satoshi Itoh, Tetsuya Sonoda, Satoshi Sekiguchi

Concurr. Comput. Pract. Exp., 2007

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, John Hicks

Proceedings of the 2004 Symposium on Applications and the Internet Workshops (SAINT 2004 Workshops), 2004

Autonomous Con.guration of Grid Monitoring Systems.

Ken'ichiro Shirose, Satoshi Matsuoka, Hidemoto Nakada, Hirotaka Ogawa

Proceedings of the 2004 Symposium on Applications and the Internet Workshops (SAINT 2004 Workshops), 2004

2000

OpenJIT: An Open-Ended, Reflective JIT Compiler Framework for Java.

Hirotaka Ogawa, Kouya Shimura, Satoshi Matsuoka, Fuyuhiko Maruyama, Yukihiko Sohda, Yasunori Kimura

Proceedings of the ECOOP 2000, 2000

1999

OMPC++ - A Portable High-Performance Implementation of DSM using OpenC++ Reflection.

Yukihiko Sohda, Hirotaka Ogawa, Satoshi Matsuoka

Proceedings of the Meta-Level Architectures and Reflection, 1999

OpenJIT Frontend System: An Implementation of the Reflective JIT Compiler Frontend.

Hirotaka Ogawa, Satoshi Matsuoka, Fuyuhiko Maruyama, Yukihiko Sohda, Kouya Shimura, Yasunori Kimura

Proceedings of the Reflection and Software Engineering, 1999

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

Proceedings of the ACM/IEEE Conference on Supercomputing, 1997

Towards a Parallel C++ Programming Language Based on Commodity Object-Oriented Technologies.

Satoshi Matsuoka, A. Nikami, Hirotaka Ogawa, Yutaka Ishikawa

Proceedings of the Scientific Computing in Object-Oriented Parallel Environments, 1997

1996

OMPI: Optimizing MPI Programs using Partial Evaluation.

Hirotaka Ogawa, Satoshi Matsuoka

Proceedings of the 1996 ACM/IEEE Conference on Supercomputing, 1996