Hirotaka Ogawa

Publication Activity (10 Years)

Years Active: 1996-2021
Publications (10 Years): 17

Top Topics

Human Perceptual

Unstructured Data

Outlier Detection

Top Venues

Publications

Peng Chen, Mohamed Wahib, Xiao Wang, Takahiro Hirofuchi, Hirotaka Ogawa, Ander Biguri, Richard P. Boardman, Thomas Blumensath, Satoshi Matsuoka
Scalable FBP decomposition for cone-beam CT reconstruction. SC (2021)
Peng Chen, Mohamed Wahib, Xiao Wang, Shin'ichiro Takizawa, Takahiro Hirofuchi, Hirotaka Ogawa, Satoshi Matsuoka
Performance Portable Back-projection Algorithms on CPUs: Agnostic Data Locality and Vectorization Optimizations. CoRR (2021)
Peng Chen, Mohamed Wahib, Xiao Wang, Shin'ichiro Takizawa, Takahiro Hirofuchi, Hirotaka Ogawa, Satoshi Matsuoka
Performance portable back-projection algorithms on CPUs: agnostic data locality and vectorization optimizations. ICS (2021)
Yusuke Tanimura, Shin'ichiro Takizawa, Hirotaka Ogawa, Takahiro Hamanishi
Building and Evaluation of Cloud Storage and Datasets Services on AI and HPC Converged Infrastructure. IEEE BigData (2020)
Jun Lee, Hirotaka Ogawa, Yongjin Kwon, Kyoung-Sook Kim
Spatial Footprints of Human Perceptual Experience in Geo-Social Media. ISPRS Int. J. Geo Inf. 7 (2) (2018)
Kaihui Zhang, Yusuke Tanimura, Hidemoto Nakada, Hirotaka Ogawa
Understanding and improving disk-based intermediate data caching in Spark. IEEE BigData (2017)
Kyoung-Sook Kim, Dongmin Kim, Hyemi Jeong, Hirotaka Ogawa
Stinuum: A Holistic Visual Analysis of Moving Objects with Open Source Software. SIGSPATIAL/GIS (2017)
Jun Lee, Kyoung-Sook Kim, Hirotaka Ogawa, Yongjin Kwon
MixedWalk: Explore Ahead before Stepping in Mobile Augmented Reality Services. AIMS@SERVICES (2017)
Jun Lee, Kyoung-Sook Kim, Yongjin Kwon, Hirotaka Ogawa
Understanding human perceptual experience in unstructured data on the web. WI (2017)
Teerawat Kumrai, Kyoung-Sook Kim, Mianxiong Dong, Hirotaka Ogawa
Optimal KD-Partitioning for the Local Outlier Detection in Geo-Social Points. ISNN (1) (2017)
Steven J. Lynden, Makoto Yui, Akiyoshi Matono, Akihito Nakamura, Hirotaka Ogawa, Isao Kojima
Optimising Coverage, Freshness and Diversity in Live Exploration-based Linked Data Queries. WIMS (2016)
Soramichi Akiyama, Takahiro Hirofuchi, Hirotaka Ogawa
Performance Prediction of Memory Access Intensive Apps with Delay Insertion: A Vision. CloudCom (2016)
Hitoshi Sato, Ryo Mizote, Satoshi Matsuoka, Hirotaka Ogawa
I/O chunking and latency hiding approach for out-of-core sorting acceleration using GPU and flash NVM. IEEE BigData (2016)
Kyoung-Sook Kim, Isao Kojima, Hirotaka Ogawa
Discovery of local topics by using latent spatio-temporal relationships in geo-social media. Int. J. Geogr. Inf. Sci. 30 (9) (2016)
Kyoung-Sook Kim, Isao Kojima, Ryoichi Suzuki, Wataru Naito, Hirotaka Ogawa
RALFIE: a life-logging system for reducing potential radiation exposures. EM-GIS (2015)
Kyoung-Sook Kim, Melissa Bica, Isao Kojima, Hirotaka Ogawa
RendezView: Look at Meanings of an Encounter Region over Local Social Flocks. IWGS (2015)
Akiyoshi Matono, Hirotaka Ogawa, Isao Kojima
Improvement of Join Algorithms for Low-Selectivity Joins on MapReduce. ADC (2015)
Kyoung-Sook Kim, Hirotaka Ogawa, Akihito Nakamura, Isao Kojima
Sophy: a morphological framework for structuring geo-referenced social media. LBSN@SIGSPATIAL/GIS (2014)
Hidemoto Nakada, Hirotaka Ogawa, Tomohiro Kudoh
Stream processing with BigData: SSS-MapReduce. CloudCom (2012)
Hidemoto Nakada, Hirotaka Ogawa, Tomohiro Kudoh
Poster: SSS: a mapreduce framework based on distributed key-value store. SC Companion (2011)
Hirotaka Ogawa, Hidemoto Nakada, Ryousei Takano, Tomohiro Kudoh
SSS: An Implementation of Key-Value Store Based MapReduce Framework. CloudCom (2010)
Takahiro Hirofuchi, Hidemoto Nakada, Hirotaka Ogawa, Satoshi Itoh, Satoshi Sekiguchi
Eliminating Datacenter Idle Power with Dynamic and Intelligent VM Relocation. DCAI (2010)
Hidemoto Nakada, Takahiro Hirofuchi, Hirotaka Ogawa, Satoshi Itoh
Toward Virtual Machine Packing Optimization Based on Genetic Algorithm. IWANN (2) (2009)
Takahiro Hirofuchi, Hirotaka Ogawa, Hidemoto Nakada, Satoshi Itoh, Satoshi Sekiguchi
A Live Storage Migration Mechanism over WAN for Relocatable Virtual Machine Services on Clouds. CCGRID (2009)
Takahiro Hirofuchi, Hidemoto Nakada, Hirotaka Ogawa, Satoshi Itoh, Satoshi Sekiguchi
A live storage migration mechanism over wan and its performance evaluation. VTDC@ICAC (2009)
Takahiro Hirofuchi, Takeshi Yokoi, Tadashi Ebara, Yusuke Tanimura, Hirotaka Ogawa, Hidetomo Nakada, Yoshio Tanaka, Satoshi Sekiguchi
A Multi-Site Virtual Cluster System for Wide Area Networks. LASCO (2008)
Hirotaka Ogawa, Satoshi Itoh, Tetsuya Sonoda, Satoshi Sekiguchi
GridASP: an ASP framework for Grid utility computing. Concurr. Comput. Pract. Exp. 19 (6) (2007)
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
The Second Trans-Pacific Grid Datafarm Testbed and Experiments for SC2003. SAINT Workshops (2004)
Ken'ichiro Shirose, Satoshi Matsuoka, Hidemoto Nakada, Hirotaka Ogawa
Autonomous Con.guration of Grid Monitoring Systems. SAINT Workshops (2004)
Hirotaka Ogawa, Kouya Shimura, Satoshi Matsuoka, Fuyuhiko Maruyama, Yukihiko Sohda, Yasunori Kimura
OpenJIT: An Open-Ended, Reflective JIT Compiler Framework for Java. ECOOP (2000)
Yukihiko Sohda, Hirotaka Ogawa, Satoshi Matsuoka
OMPC++ - A Portable High-Performance Implementation of DSM using OpenC++ Reflection. Reflection (1999)
Hirotaka Ogawa, Satoshi Matsuoka, Fuyuhiko Maruyama, Yukihiko Sohda, Kouya Shimura, Yasunori Kimura
OpenJIT Frontend System: An Implementation of the Reflective JIT Compiler Frontend. Reflection and Software Engineering (1999)
Satoshi Matsuoka, A. Nikami, Hirotaka Ogawa, Yutaka Ishikawa
Towards a Parallel C++ Programming Language Based on Commodity Object-Oriented Technologies. ISCOPE (1997)
Atsuko Takefusa, Satoshi Matsuoka, Hirotaka Ogawa, Hidemoto Nakada, Hiromitsu Takagi, Mitsuhisa Sato, Satoshi Sekiguchi, Umpei Nagashima
Multi-client LAN/WAN Performance Analysis of Ninf: a High-Performance Global Computing System. SC (1997)
Hirotaka Ogawa, Satoshi Matsuoka
OMPI: Optimizing MPI Programs using Partial Evaluation. SC (1996)