Speculative computation with multi-agent belief revision. - Ken Satoh; Keiji Yamamoto (AAMAS, 2002)

Portable Execution Time Analysis Method. - Keiji Yamamoto; Yutaka Ishikawa; Toshihiro Matsui (RTCSA, 2006)

Evaluation of the Image Quality of Temporal Subtraction Images Produced Automatically in a PACS Environment. - Shuji Sakai; Hiroyasu Soeda; Akio Furuya; Hidetake Yabuuchi; Takashi Okafuji; Keiji Yamamoto; Hiroshi Honda; Kunio Doi (J. Digit. Imaging, 2006)

Computer-Aided Nodule Detection on Digital Chest Radiography: Validation Test on Consecutive T1 Cases of Resectable Lung Cancer. - Shuji Sakai; Hiroyasu Soeda; Naoki Takahashi; Takashi Okafuji; Tadamasa Yoshitake; Hidetake Yabuuchi; Ichiro Yoshino; Keiji Yamamoto; Hiroshi Honda; Kunio Doi (J. Digit. Imaging, 2006)

Integration of Temporal Subtraction and Nodule Detection System for Digital Chest Radiographs into Picture Archiving and Communication System (PACS): Four-year Experience. - Shuji Sakai; Hidetake Yabuuchi; Yoshio Matsuo; Takashi Okafuji; Takeshi Kamitani; Hiroshi Honda; Keiji Yamamoto; Keiichi Fujiwara; Naoki Sugiyama; Kunio Doi (J. Digit. Imaging, 2008)

Xruntime: A Seamless Runtime Environment for High Performance Computing. - Keiji Yamamoto; Atsushi Hori; Shinji Sumimoto; Yutaka Ishikawa (HPCC, 2011)

Catwalk-ROMIO: A Cost-Effective MPI-IO. - Atsushi Hori; Keiji Yamamoto; Yutaka Ishikawa (ICPADS, 2011)

Poster: Distributed Metadata Management for Exascale Parallel File System. - Keiji Yamamoto; Atsushi Hori; Yutaka Ishikawa (SC Companion, 2012)

The K computer Operations: Experiences and Statistics. - Keiji Yamamoto; Atsuya Uno; Hitoshi Murai; Toshiyuki Tsukamoto; Fumiyoshi Shoji; Shuji Matsui; Ryuichi Sekizawa; Fumichika Sueyasu; Hiroshi Uchiyama; Mitsuo Okamoto; Nobuo Ohgushi; Katsutoshi Takashina; et al. (ICCS, 2014)

Transmit power control and channel assignment for femto cells in HetNet systems using genetic algorithm. - Kohta Nakamura; Taichi Tashiro; Keiji Yamamoto; Kenichi Ohno (PIMRC, 2015)

Alleviating I/O Interference Through Workload-Aware Striping and Load-Balancing on Parallel File Systems. - Yuichi Tsujita; Tatsuhiko Yoshizaki; Keiji Yamamoto; Fumichika Sueyasu; Ryoji Miyazaki; Atsuya Uno (ISC, 2017)

I/O Interference Alleviation on Parallel File Systems Using Server-Side QoS-Based Load-Balancing. - Yuichi Tsujita; Yoshitaka Furutani; Hajime Hida; Keiji Yamamoto; Atsuya Uno; Fumichika Sueyasu (ISC Workshops, 2018)

Classifying Jobs and Predicting Applications in HPC Systems. - Keiji Yamamoto; Yuichi Tsujita; Atsuya Uno (ISC, 2018)

Modeling the Existing Cooling System to Learn its Behavior for Post-K Supercomputer at RIKEN R-CCS. - Motohiko Matsuda; Hiroya Matsuba; Jorji Nonaka; Keiji Yamamoto; Hiroshi Shibata; Toshiyuki Tsukamoto (ICPP Workshops, 2019)

Characterizing I/O Optimization Effect Through Holistic Log Data Analysis of Parallel File Systems and Interconnects. - Yuichi Tsujita; Yoshitaka Furutani; Hajime Hida; Keiji Yamamoto; Atsuya Uno (ISC Workshops, 2020)

Job Classification Through Long-Term Log Analysis Towards Power-Aware HPC System Operation. - Yuichi Tsujita; Atsuya Uno; Ryuichi Sekizawa; Keiji Yamamoto; Fumichika Sueyasu (PDP, 2021)

An Operational Data Collecting and Monitoring Platform for Fugaku: System Overviews and Case Studies in the Prelaunch Service Period. - Masaaki Terai; Keiji Yamamoto; Shin'ichi Miura; Fumiyoshi Shoji (ISC Workshops, 2021)

A Visual Analytics Framework for Reviewing Multivariate Time-Series Data with Dimensionality Reduction. - Takanori Fujiwara; Shilpika; Naohisa Sakamoto; Jorji Nonaka; Keiji Yamamoto; Kwan-Liu Ma (IEEE Trans. Vis. Comput. Graph., 2021)

Classifying jobs towards power-aware HPC system operation through long-term log analysis. - Yuichi Tsujita; Atsuya Uno; Ryuichi Sekizawa; Keiji Yamamoto; Fumichika Sueyasu (Array, 2022)

Graph optimization algorithm using symmetry and host bias for low-latency indirect network. - Masahiro Nakao; Masaki Tsukamoto; Yoshiko Hanada; Keiji Yamamoto (Parallel Comput., 2022)

Autonomy Loops for Monitoring, Operational Data Analytics, Feedback, and Response in HPC Operations. - Francieli Boito; Jim M. Brandt; Valeria Cardellini; Philip H. Carns; Florina M. Ciorba; Hilary Egan; Ahmed Eleliemy; Ann C. Gentile; Thomas Gruber; Jeff Hanson; Utz-Uwe Haus; Kevin A. Huck; et al. (CLUSTER Workshops, 2023)

Augmenting ML-based Predictive Modelling with NLP to Forecast a Job's Power Consumption. - Francesco Antici; Keiji Yamamoto; Jens Domke; Zeynep Kiziltan (SC Workshops, 2023)

Introducing Open OnDemand to Supercomputer Fugaku. - Masahiro Nakao; Hidetomo Kaneyama; Masaru Nagaku; Ikki Fujiwara; Atsuko Takefusa; Shin'ichi Miura; Keiji Yamamoto (SC Workshops, 2023)

Reflections on the Developments of Visual Analytics Systems for the K Computer System Log Data. - Jorji Nonaka; Keijiro Fujita; Takanori Fujiwara; Naohisa Sakamoto; Keiji Yamamoto; Masaaki Terai; Toshiyuki Tsukamoto; Fumiyoshi Shoji (VisGap@EuroVis, 2023)

Optimization Algorithm with Automatic Adjustment of the Number of Switches in the Order/Radix Problem. - Masaki Tsukamoto; Yoshiko Hanada; Masahiro Nakao; Keiji Yamamoto (IEICE Trans. Inf. Syst., 2023)

Toward Providing Root Privilege to Flagship HPC Users with Thin-Hypervisor. - Takaaki Fukai; Manami Mori; Keiji Yamamoto; Takahiro Hirofuchi; Takuya Asaka (CLUSTER Workshops, 2024)

On the Building of a Common In-Situ Visualization Environment for Arm A64FX Supercomputers. - Jorji Nonaka; Masahiro Nakao; Hitoshi Murai; Keiji Yamamoto; Masaaki Terai; Tomohiro Kawanabe; Toshihiko Kai; Fumiyoshi Shoji; Daichi Obinata; Hiroyuki Ito; Shunji Uno; Takanori Haga; et al. (CLUSTER Workshops, 2024)

Toward Sustainable HPC: In-Production Deployment of Incentive-Based Power Efficiency Mechanism on the Fugaku Supercomputer. - Ana Luisa Veroneze Solórzano; Kento Sato; Keiji Yamamoto; Fumiyoshi Shoji; Jim M. Brandt; Benjamin Schwaller; Sara Petra Walton; Jennifer Green; Devesh Tiwari (SC, 2024)

F-DATA: A Fugaku Workload Dataset for Job-centric Predictive Modelling in HPC Systems. - Francesco Antici; Andrea Bartolini; Jens Domke; Zeynep Kiziltan; Keiji Yamamoto (Zenodo, 2024)