Keisuke Utsu

40 papers B 1Misc 7Journal 13Unranked 19
YearRankTypeTitle / Venue / Authors
2026 J jnl
Analysis of Japanese Twitter Posts Related to COVID-19 Vaccination Focusing on Frequently Occurring Words and Emotional Expressions.
Inf.
Keisuke Utsu, Osamu Uchida
2025 — conf
Web API for Providing Hazard Information in Japan for Specific Locations and the Surrounding Areas.
KST
Keisuke Utsu, Osamu Uchida
2023 — conf
Analysis of Japanese Tweets on the Russian Military Invasion of Ukraine Focusing on Frequently Used Words and Emotional Expressions.
ITDRR
Keisuke Utsu, Misaki Oyama, Osamu Uchida
2023 — conf
Location Extraction in Disaster Tweets with a Model Trained on Past Data: Diverse Analysis.
ITDRR
Toshihiro Rokuse, Keisuke Utsu, Osamu Uchida
2021 — conf
Analysis of Quote Retweets for COVID-19 State of Emergency Related Tweets Posted from Prefectural Governors' Accounts in Japan.
ITDRR
Keisuke Utsu, Natsumi Yagi, Airi Fukushima, Yuma Takemori, Atsushi Okazaki, Osamu Uchida
2021 — conf
Analysis of Tweets Including a Specific Hashtag Related to Disaster Information in Saku City Posted During 2019 Typhoon Hagibis.
ICCCS
Keisuke Utsu, Naoyoshi Takahashi, Osamu Uchida
2021 J jnl
Development and Implementation of an ICT-based Disaster Prevention and Mitigation Education Program for the Young Generation.
Inf. Syst. Frontiers
Osamu Uchida, Sachi Tajima, Yoshitaka Kajita, Keisuke Utsu, Yuji Murakami, Sanetoshi Yamada
2020 — conf
A Proposal on Disaster Information and Rescue Request Sharing Application Using Sina Weibo.
ICCCS
Yang Liu, Osamu Uchida, Keisuke Utsu
2020 J jnl
Analysis of Rescue Request and Damage Report Tweets Posted during 2019 Typhoon Hagibis.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Keisuke Utsu, Osamu Uchida
2020 — conf
Effects and Issues of the Disaster Information Tweeting and Mapping System for Residents.
ICCCS
Hiroya Yamada, Yoshitaka Kajita, Sachi Tajima, Keisuke Utsu, Osamu Uchida, Yuji Murakami
2020 J jnl
Twitter-Based Safety Confirmation System for Disaster Situations.
Future Internet
Keisuke Utsu, Mariko Abe, Shuji Nishikawa, Osamu Uchida
2020 — conf
Visualization of Tweets and Related Images Posted During Disasters.
ITDRR
Sanetoshi Yamada, Keisuke Utsu, Osamu Uchida
2019 — conf
A Twitter-Based Disaster Information Sharing System.
ICCCS
Masafumi Kosugi, Keisuke Utsu, Makoto Tomita, Sachi Tajima, Yoshitaka Kajita, Yoshiro Yamamoto, Osamu Uchida
2019 — conf
An Analysis of Tweets Posted During 2018 Western Japan Heavy Rain Disaster.
BigComp
Sanetoshi Yamada, Keisuke Utsu, Osamu Uchida
2019 — conf
Analysis and Visualization of Attention Area of Tweets During Disasters.
ICT-DM
Sanetoshi Yamada, Keisuke Utsu, Kohei Cho, Osamu Uchida
2019 — conf
Text Analysis of Tweets with Rescue Request Hashtags Posted during 2018 Japan Floods.
ICT-DM
Megumi Kondo, Shuji Nishikawa, Osamu Uchida, Keisuke Utsu
2019 J jnl
Town-Watching Workshop Using Disaster Information Tweeting and Mapping System.
Future Internet
Keisuke Utsu, Shun Ueta, Sachi Tajima, Yoshitaka Kajita, Yuji Murakami, Osamu Uchida
2019 — conf
Workshop Program on Disaster Prevention and Mitigation for Young Generation Utilizing Disaster Information Tweeting and Mapping System.
ITDRR
Osamu Uchida, Sachi Tajima, Yoshitaka Kajita, Keisuke Utsu, Yuji Murakami, Sanetoshi Yamada
2018 — conf
An Analysis of Tweets During the 2018 Osaka North Earthquake in Japan -A Brief Report.
ICT-DM
Sanetoshi Yamada, Keisuke Utsu, Osamu Uchida
2018 — conf
Time Trend Analysis of "#Rescue" Tweets During and After The 2017 Northern Kyushu Heavy Rain Disaster.
ICT-DM
Shuji Nishikawa, Nozomi Tanaka, Keisuke Utsu, Osamu Uchida
2017 — conf
A smartphone application for location recording and rescue request using twitter.
ICOIN
Yuuto Ohtsuka, Hiroshi Ishii, Keisuke Utsu, Osamu Uchida
2017 — conf
Improvement of Twitter-based disaster-related information sharing system.
ICT-DM
Masafumi Kosugi, Keisuke Utsu, Sachi Tajima, Makoto Tomita, Yoshitaka Kajita, Yoshiro Yamamoto, Osamu Uchida
2017 — conf
Web application prototype for collecting disaster-related information focusing on tweets immediately after retweeting news posts.
ICT-DM
Keisuke Utsu, Ayami Manaka, Koki Nakafuri, Osamu Uchida
2016 J jnl
A Real-Time Information Sharing System to Support Self-, Mutual-, and Public-Help in the Aftermath of a Disaster Utilizing Twitter.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Osamu Uchida, Masafumi Kosugi, Gaku Endo, Takamitsu Funayama, Keisuke Utsu, Sachi Tajima, Makoto Tomita, Yoshitaka Kajita, Yoshiro Yamamoto
2016 J jnl
A proposal on location data supplementing information transfer method over MANET.
J. Supercomput.
Kei Kobayashi, Yosuke Totani, Keisuke Utsu, Hiroshi Ishii
2016 J jnl
A study on effective flooding over MANET based on exchange of neighbor information.
J. Supercomput.
Naoya Imaizumi, Kei Kobayashi, Keisuke Utsu, Hiroshi Ishii
2016 J jnl
Achieving secure communication over MANET using secret sharing schemes.
J. Supercomput.
Kei Kobayashi, Yosuke Totani, Keisuke Utsu, Hiroshi Ishii
2016 J jnl
An efficient broadcast-based information transfer method based on location data over MANET.
J. Supercomput.
Yosuke Totani, Kei Kobayashi, Keisuke Utsu, Hiroshi Ishii
2016 J jnl
Broadcast-based information sharing system (BBISS) on wireless ad hoc communication environment.
J. Supercomput.
Keisuke Utsu, Chee Onn Chow, Hiroaki Nishikawa, Hiroshi Ishii
2016 J jnl
Concepts, services, and underlying network for a daily life support system for citizens.
J. Supercomput.
Ayami Manaka, Hiroshi Ishii, Chee Onn Chow, Keisuke Utsu
2016 J jnl
Location-aided route discovery mechanism based on two-hop neighbor information for ad hoc network.
J. Supercomput.
Phonepadith Phoummavong, Keisuke Utsu, Chee Onn Chow, Hiroshi Ishii
2013 B conf
BER-driven resource allocation in OFDMA systems.
PIMRC
Mau-Luen Tham, Chee-Onn Chow, Keisuke Utsu, Hiroshi Ishii
2010 Misc conf
A Query-based Information Discovery method using Location Coordinates and its Contribution to Reducing Power Consumption in an Ad Hoc Network.
PDPTA
Keisuke Utsu, Naohide Fukushi, Hiroshi Ishii
2010 — conf
Experimental Study on User-Oriented Selection of Optimal Internet Server using Pilot File.
International Conference on Internet Computing
Keisuke Utsu, Masahiro Nakaiwa, Hiroshi Ishii
2010 Misc conf
Load-aware Flooding over Ad Hoc Networks achieving a Reduction in Traffic and Power Consumption.
PDPTA
Keisuke Utsu, Hiroaki Nishikawa, Hiroshi Ishii
2009 Misc conf
Information Discovery Mechanism using GPS over MANET.
PDPTA
Naohide Fukushi, Keisuke Utsu, Hiroshi Ishii
2009 Misc conf
Load-aware Effective Flooding over Ad Hoc Networks.
PDPTA
Keisuke Utsu, Chee Onn Chow, Hiroaki Nishikawa, Hiroshi Ishii
2008 Misc conf
GPS Aided Effective Information Discovery over Mobile Ad Hoc Network.
PDPTA
Naohide Fukushi, Keisuke Utsu, Hiroshi Ishii
2008 Misc conf
Performance Study on Multipoint-to-Point Video Streaming over Mobile Ad Hoc Networks.
PDPTA
Keisuke Utsu, Chee Onn Chow, Hiroaki Nishikawa, Hiroshi Ishii
2007 Misc conf
A Study on QoS of Multipoint-to-Point Packet Streaming over the Wireless Ad Hoc Network Testbed.
PDPTA
Keisuke Utsu, Yoshimasa Sajima, Chee Onn Chow, Kazumasa Takami, Hiroshi Ishii