2024
RTeX: An Efficient and Timing-Predictable Multithreaded Executor for ROS 2.
IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., September, 2024

Control Flow Divergence Optimization by Exploiting Tensor Cores.
Proceedings of the 61st ACM/IEEE Design Automation Conference, 2024

2023
Adaptive Task-Based Intermittent Computing System With Parallel State Backup.
IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., June, 2023

Modeling and Analysis of Inter-Process Communication Delay in ROS 2.
Proceedings of the IEEE Real-Time Systems Symposium, 2023

Optimizing End-to-End Latency of Sporadic Cause-Effect Chains Using Priority Inheritance.
Proceedings of the IEEE Real-Time Systems Symposium, 2023

TIDE: a Timing-Deterministic and Efficient Executor for micro-ROS.
Proceedings of the 2023 IEEE International Conferences on Internet of Things (iThings) and IEEE Green Computing & Communications (GreenCom) and IEEE Cyber, 2023

Light Flash Write for Efficient Firmware Update on Energy-harvesting IoT Devices.
Proceedings of the Design, Automation & Test in Europe Conference & Exhibition, 2023

2021
Surviving Transient Power Failures with SRAM Data Retention.
Proceedings of the Design, Automation & Test in Europe Conference & Exhibition, 2021

Intermittent Computing with Efficient State Backup by Asynchronous DMA.
Proceedings of the Design, Automation & Test in Europe Conference & Exhibition, 2021

2020
LATICS: A Low-Overhead Adaptive Task-Based Intermittent Computing System.
IEEE Trans. Comput. Aided Des. Integr. Circuits Syst., 2020

Task Parameters Analysis in Schedule-Based Timing Side-Channel Attack.
IEEE Access, 2020

Learning Analytics Data Flow and Visualizing for Ubiquitous Learning Logs in LMS and Learning Analytics Dashboard.
Proceedings of the Distributed, Ambient and Pervasive Interactions, 2020

2019
Leaking your engine speed by spectrum analysis of real-Time scheduling sequences.
J. Syst. Archit., 2019

Preserving Physical Safety Under Cyber Attacks.
IEEE Internet Things J., 2019

The Information Infrastructure for Analyzing and Visualizing Learning Logs in Ubiquitous Learning Environments.
Proceedings of the Distributed, Ambient and Pervasive Interactions, 2019

2018
Scheduling Analysis of Imprecise Mixed-Criticality Real-Time Tasks.
IEEE Trans. Computers, 2018

Guaranteed physical security with restart-based design for cyber-physical systems.
Proceedings of the 9th ACM/IEEE International Conference on Cyber-Physical Systems, 2018

2017
Restart-Based Security Mechanisms for Safety-Critical Embedded Systems.
CoRR, 2017

2016
EDF-VD Scheduling of Mixed-Criticality Systems with Degraded Quality Guarantees.
Proceedings of the 2016 IEEE Real-Time Systems Symposium, 2016

2014
Ubiquitous Learning Project Using Life-logging Technology in Japan.
J. Educ. Technol. Soc., 2014

Ubiquitous Learning Analytics Using Learning Logs.
Proceedings of the Workshops at the LAK 2014 Conference co-located with 4th International Conference on Learning Analytics and Knowledge (LAK 2014), 2014

Accelerate Location-Based Context Learning for Second Language Learning Using Ubiquitous Learning Log.
Proceedings of the Emerging Issues in Smart Learning, 2014

Visualizing Ubiquitous Learning Logs Using Collocational Networks.
Proceedings of the Proceeding of the 22nd International Conference on Computers in Education, 2014

Ubiquitous Learning Logs Analytics.
Proceedings of the Proceeding of the 22nd International Conference on Computers in Education, 2014

Visualization for Analyzing Ubiquitous Learning Logs.
Proceedings of the Proceeding of the 22nd International Conference on Computers in Education, 2014

Location Based Context-Aware Support for Second Language Learning Using Ubiquitous Learning Lots.
Proceedings of the Proceeding of the 22nd International Conference on Computers in Education, 2014

2013
Learning Log Navigator: Supporting Task-Based Learning Using Ubiquitous Learning Logs.
Res. Pract. Technol. Enhanc. Learn., 2013

2010
An Approach for Constructing Knowledge Map Embedded in the Social Relationship Network.
Proceedings of the International Conference on E-Business and E-Government, 2010

2008
Knowledge Representation and Query Process Based-on Semantic Web Technologies.
Proceedings of the Ninth ACIS International Conference on Software Engineering, 2008