Toyokazu Akiyama

According to our database, Toyokazu Akiyama authored at least 55 papers between 2000 and 2024.

Collaborative distances:

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

2024

Analysis for Automatic Extraction of Uncomfortable Driving by Constant Observation of Route Buses Using Anonymous Sensors.

Toyokazu Akiyama, Naoki Matsuo, Ismail Arai, Hiroshi Yamamoto

Proceedings of the IEEE International Conference on Smart Mobility, 2024

2021

Comparative Evaluation of Dataflow Component Selection Methods in Distributed MQTT Broker Environment.

Shintaro Ishihara, Kazuma Yasuda, Kota Abe, Yuuichi Teranishi, Toyokazu Akiyama

J. Inf. Process., 2021

2020

Towards a Dataflow Platform in a Hierarchical Network: A Proposal for a Dataflow Component Management Method.

Shintaro Ishihara, Toyokazu Akiyama

J. Inf. Process., 2020

DOCOR: Sensing Everything From Route Buses.

Ismail Arai, Masahiro Kametani, Norihiko Honda, Toyokazu Akiyama

Proceedings of the 6th IEEE World Forum on Internet of Things, 2020

2019

Twitter-based traffic delay detection based on topic propagation analysis using railway network topology.

Yuanyuan Wang, Panote Siriaraya, Yukiko Kawai, Toyokazu Akiyama

Pers. Ubiquitous Comput., 2019

Second workshop on user interfaces for spatial and temporal data analysis (UISTDA2019).

Shoko Wakamiya, Adam Jatowt, Yukiko Kawai, Toyokazu Akiyama, Ricardo Campos, Zhenglu Yang

Proceedings of the 24th International Conference on Intelligent User Interfaces: Companion, 2019

A Dataflow Application Deployment Strategy for Hierarchical Networks.

Shintaro Ishihara, Satoshi Tanita, Toyokazu Akiyama

Proceedings of the 43rd IEEE Annual Computer Software and Applications Conference, 2019

Message from EATA Symposium Chairs.

Ali R. Hurson, Hiroyuki Sato, Toyokazu Akiyama, Dan Lin

Proceedings of the 43rd IEEE Annual Computer Software and Applications Conference, 2019

2018

Random Forest Based Bus Operation States Classification Using Vehicle Sensor Data.

Takuya Yonezawa, Ismail Arai, Toyokazu Akiyama, Kazutoshi Fujikawa

Proceedings of the 2018 IEEE International Conference on Pervasive Computing and Communications Workshops, 2018

A Twitter-Based Culture Visualization System by Analyzing Multilingual Geo-Tagged Tweets.

Yuanyuan Wang, Panote Siriaraya, Yusuke Nakaoka, Haruka Sakata, Yukiko Kawai, Toyokazu Akiyama

Proceedings of the Maturity and Innovation in Digital Libraries, 2018

A Tuning Method of a Monitoring System for Network Forensics in Cloud Environment.

Shintaro Ishihara, Toyokazu Akiyama

Proceedings of the 2018 IEEE 42nd Annual Computer Software and Applications Conference, 2018

Secure and Long-Lived Wireless Sensor Network for Data Center Monitoring.

Toyokazu Akiyama, Morito Matsuoka, Kazuhiro Matsuda, Yumi Sakemi, Hisashi Kojima

Proceedings of the 2018 IEEE 42nd Annual Computer Software and Applications Conference, 2018

Message from The Student Research Symposium Co-Chairs.

Toyokazu Akiyama, Maria Lee

Proceedings of the 2018 IEEE 42nd Annual Computer Software and Applications Conference, 2018

2017

FESTIVAL: Design and Implementation of Federated Interoperable Smart ICT Services Development and Testing Platform.

Toyokazu Akiyama, Shuuichirou Murata, Kiichi Tsuchiya, Teruaki Yokoyama, Martino Maggio, Giuseppe Ciulla, Juan Ramón Santana, Mengxuan Zhao, Jander Botelho Do Nascimento, Levent Gürgen

J. Inf. Process., 2017

Sketching Linguistic Borders: Mobility Analysis on Multilingual Microbloggers.

Muhammad Syafiq Mohd Pozi, Yukiko Kawai, Adam Jatowt, Toyokazu Akiyama

Proceedings of the 26th International Conference on World Wide Web Companion, 2017

Visualization of Spatio-Temporal Events in Geo-Tagged Social Media.

Yuanyuan Wang, Muhammad Syafiq Mohd Pozi, Goki Yasui, Yukiko Kawai, Kazutoshi Sumiya, Toyokazu Akiyama

Proceedings of the Web and Wireless Geographical Information Systems, 2017

Exploring Cross-cultural Crowd Sentiments on Twitter.

Yuanyuan Wang, Muhammad Syafiq Mohd Pozi, Yukiko Kawai, Adam Jatowt, Toyokazu Akiyama

Proceedings of the 28th ACM Conference on Hypertext and Social Media, 2017

DNetSpec: A Distributed Network Testing Toolset for Middleware Developers.

Shintaro Ishihara, Masahiro Fujita, Toyokazu Akiyama

Proceedings of the 41st IEEE Annual Computer Software and Applications Conference, 2017

Proposal of classification method of bus operation states using sensor data.

Takuya Yonezawa, Ismail Arai, Toyokazu Akiyama, Kazutoshi Fujikawa

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

2016

Scalable Pub/Sub System Using OpenFlow Control.

Toyokazu Akiyama, Yuuichi Teranishi, Ryohei Banno, Katsuyoshi Iida, Yukiko Kawai

J. Inf. Process., 2016

ResilientFlow: Deployments of Distributed Control Channel Maintenance Modules to Recover SDN from Unexpected Failures.

Takuya Omizo, Takuma Watanabe, Toyokazu Akiyama, Katsuyoshi Iida

IEICE Trans. Commun., 2016

Foreword.

Toyokazu Akiyama

IEICE Trans. Inf. Syst., 2016

Analyzing Global and Pairwise Collective Spatial Attention for Geo-social Event Detection in Microblogs.

Shoko Wakamiya, Adam Jatowt, Yukiko Kawai, Toyokazu Akiyama

Proceedings of the 25th International Conference on World Wide Web, 2016

Dynamic mapping of dense geo-tweets and web pages based on spatio-temporal analysis.

Yuanyuan Wang, Goki Yasui, Yukiko Kawai, Toyokazu Akiyama, Kazutoshi Sumiya, Yoshiharu Ishikawa

Proceedings of the 31st Annual ACM Symposium on Applied Computing, 2016

Lets not stare at smartphones while walking: memorable route recommendation by detecting effective landmarks.

Shoko Wakamiya, Hiroshi Kawasaki, Yukiko Kawai, Adam Jatowt, Eiji Aramaki, Toyokazu Akiyama

Proceedings of the 2016 ACM International Joint Conference on Pervasive and Ubiquitous Computing, 2016

Message from the NATA Organizing Committee.

Ali R. Hurson, Ji-Jiang Yang, Behrooz A. Shirazi, Alfredo Cuzzocrea, Toyokazu Akiyama, Sahra Sedigh Sarvestani, Sheikh Iqbal Ahamed

Proceedings of the 40th IEEE Annual Computer Software and Applications Conference, 2016

2015

Mapping Temporal Horizons: Analysis of Collective Future and Past related Attention in Twitter.

Adam Jatowt, Émilien Antoine, Yukiko Kawai, Toyokazu Akiyama

Proceedings of the 24th International Conference on World Wide Web, 2015

FESTIVAL: Towards an Intercontinental Federation Approach.

Juan R. Santana, José Antonio Galache, Toyokazu Akiyama, Levent Gürgen, Morito Matsuoka, Martino Maggio, Shuuichirou Murata

Proceedings of the Mobile Networks and Management - 7th International Conference, 2015

Portraying Collective Spatial Attention in Twitter.

Émilien Antoine, Adam Jatowt, Shoko Wakamiya, Yukiko Kawai, Toyokazu Akiyama

Proceedings of the 21th ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2015

Considerations towards the construction of smart city testbed based on use case and testbed analysis.

Teruaki Yokoyama, Toyokazu Akiyama, Shigeru Kashihara, Yoshihisa Kawamoto, Levent Gürgen

Proceedings of the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing and Proceedings of the 2015 ACM International Symposium on Wearable Computers, 2015

Scalable and Locality-Aware Distributed Topic-Based Pub/Sub Messaging for IoT.

Yuuichi Teranishi, Ryohei Banno, Toyokazu Akiyama

Proceedings of the 2015 IEEE Global Communications Conference, 2015

SAPS: Software Defined Network Aware Pub/Sub - A Design of the Hybrid Architecture Utilizing Distributed and Centralized Multicast.

Toyokazu Akiyama, Yukiko Kawai, Yuuichi Teranishi, Ryohei Banno, Katsuyoshi Iida

Proceedings of the 39th IEEE Annual Computer Software and Applications Conference, 2015

Message from the MidCCI 2015 Workshop Organizers.

Toyokazu Akiyama, Hideaki Goto, Shuo-Yan Chou

Proceedings of the 39th Annual Computer Software and Applications Conference, 2015

2014

Location-Based Microblog Viewing System Synchronized with Web Pages.

Yuanyuan Wang, Gouki Yasui, Yuji Hosokawa, Yukiko Kawai, Toyokazu Akiyama, Kazutoshi Sumiya

Proceedings of the 33rd IEEE International Symposium on Reliable Distributed Systems Workshops, 2014

Crowd-sourced prediction of pedestrian congestion for bike navigation systems.

Shoko Wakamiya, Yukiko Kawai, Hiroshi Kawasaki, Ryong Lee, Kazutoshi Sumiya, Toyokazu Akiyama

Proceedings of the 5th ACM SIGSPATIAL International Workshop on GeoStreaming, 2014

Web Page Centered Communication System Based on a Physical Property.

Yuhki Shiraishi, Yukiko Kawai, Jianwei Zhang, Toyokazu Akiyama

Proceedings of the Database Systems for Advanced Applications, 2014

TwinChat: A Twitter and Web User Interactive Chat System.

Yuanyuan Wang, Gouki Yasui, Yuji Hosokawa, Yukiko Kawai, Toyokazu Akiyama, Kazutoshi Sumiya

Proceedings of the 23rd ACM International Conference on Conference on Information and Knowledge Management, 2014

2013

Design and Implementation of a Functional Extension Framework for Authn & Authz Federation Infrastructure Using Web Browser Add-on.

Toyokazu Akiyama, Takeshi Nishimura, Kazutsuna Yamaji, Motonori Nakamura, Yasuo Okabe

Proceedings of the 27th IEEE International Conference on Advanced Information Networking and Applications, 2013

2012

Simultaneous realization of page-centric communication and search.

Yuhki Shiraishi, Jianwei Zhang, Yukiko Kawai, Toyokazu Akiyama

Proceedings of the 21st ACM International Conference on Information and Knowledge Management, 2012

2011

A Proposal for Social Search System Design.

Toyokazu Akiyama, Yukiko Kawai, Yuya Matsui, Yoshinori Kubota, Takuya Osaki

Proceedings of the 11th Annual International Symposium on Applications and the Internet, 2011

2010

A Self-Localization Method Using Propagation of Existence Probability.

Kentaro Fujiwara, Kaname Harumoto, Yuuichi Teranishi, Toyokazu Akiyama, Susumu Takeuchi, Shojiro Nishio

Proceedings of the Tenth Annual International Symposium on Applications and the Internet, 2010

An Approach for Filtering Inaccurate Access Point Observation Report in WiFi Positioning System.

Toyokazu Akiyama, Yuuichi Teranishi, Shingo Okamura, Shinji Shimojo

Proceedings of the 3PGCIC 2010, 2010

2009

A Consideration of the Precision Improvement in WiFi Positioning System.

Toyokazu Akiyama, Yuuichi Teranishi, Shingo Okamura, Shinji Shimojo

Proceedings of the 2009 International Conference on Complex, 2009

2008

An Authentication System Development in Application of Grid Middleware to a Nationwide Joint-Use Environment for Computing.

Eisaku Sakane, Manabu Higashida, Shingo Okamura, Toyokazu Akiyama, Ken-ichi Baba, Shinji Shimojo, Yuuichi Teranishi

Proceedings of the 2008 International Symposium on Applications and the Internet, 2008

2007

A Report of Campus-Wide IT Authentication Platform System Development in Osaka University.

Toyokazu Akiyama, Yuuichi Teranishi, Shingo Okamura, Eisaku Sakane, Go Hasegawa, Ken-ichi Baba, Hirotaka Nakano, Shinji Shimojo

Proceedings of the 2007 International Symposium on Applications and the Internet, 2007

2006

Analytics challenge - Computational oral and speech science on e-science infrastructures.

Kazunori Nozaki, Masaaki Noro, Masashi Nakagawa, Susumu Date, Ken-ichi Baba, Steven Peltier, Toshihiro Kawaguchi, Toyokazu Akiyama, Hiroo Tamagawa, Yohsuke Tanaka, Shinji Shimojo

Proceedings of the ACM/IEEE SC2006 Conference on High Performance Networking and Computing, 2006

2005

A new dynamical domain decomposition method for parallel molecular dynamics simulation.

Vasilii Zhakhovskii, Katsunobu Nishihara, Yuko Fukuda, Shinji Shimojo, Toyokazu Akiyama, Shoji Miyanaga, H. Sone, H. Kobayashi, E. Ito, Y. Seo, M. Tamura, Y. Ueshima

Proceedings of the 5th International Symposium on Cluster Computing and the Grid (CCGrid 2005), 2005

Scientific grid activities in Cybermedia Center, Osaka University.

Toyokazu Akiyama, Kazunori Nozaki, Seiichi Kato, Shinji Shimojo, Steven Peltier, Abel W. Lin, Tomas E. Molina, George Yang, David Lee, Mark H. Ellisman, Kiyokazu Yoshida, Hirotaro Mori

Proceedings of the 5th International Symposium on Cluster Computing and the Grid (CCGrid 2005), 2005

Integration of Computational Fluid Dynamics and Computational Aero Acoustics on Grid for Dental Applications.

Kazunori Nozaki, Toyokazu Akiyama, Shinji Shimojo, Shingo Maeda, Hiroo Tamagawa

Proceedings of the 18th IEEE Symposium on Computer-Based Medical Systems (CBMS 2005), 2005

2004

A Remote Operation System for the 3MV Electron Microscope with a Both-Direction Conversation Capability.

Hirotaro Mori, Kiyokazu Yoshida, Shinji Shimojo, Hiroki Nogawa, Toyokazu Akiyama, Heishichiro Takahashi, Tamaki Shibayama

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

A Proposal of Pipelined Image Processing in a Grid Environment.

Toyokazu Akiyama, Hiroshi Yamashita, Takahiro Hara, Seiichi Kato, Shinji Shimojo, Shojiro Nishio

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

2003

Global Telescience featuring IPv6 at iGrid2002.

David Lee, Abel W. Lin, Thomas Hutton, Toyokazu Akiyama, Shinji Shimojo, Fang-Pang Lin, Steven Peltier, Mark H. Ellisman

Future Gener. Comput. Syst., 2003

Telecontrol of Ultra-High Voltage Electron Microscope over Global IPv6 Network.

Toyokazu Akiyama, Shinji Shimojo, Shojiro Nishio, Yoshinori Kitatsuji, Steven Peltier, Thomas Hutton, Fang-Pang Lin

Proceedings of the 2003 Symposium on Applications and the Internet Workshops (SAINT 2003), 27-31 January 2003, 2003

2002

Design and Implementation of DB-MAN Alpha: Does Database Migration Work Well in a Real Environment?

Toyokazu Akiyama, Shinobu Sakai, Akimichi Umigai, Takahiro Hara, Masahiko Tsukamoto, Shojiro Nishio

Proceedings of the Database Technologies 2002, 2002

2000

Access Skew Detection for Dynamic Database Relocation.

Toyokazu Akiyama, Takahiro Hara, Kaname Harumoto, Masahiko Tsukamoto, Shojiro Nishio

Informatica (Slovenia), 2000