Keisuke Utsu, Misaki Oyama, Osamu Uchida. Analysis of Japanese Tweets on the Russian Military Invasion of Ukraine Focusing on Frequently Used Words and Emotional Expressions. 2024
Toshihiro Rokuse, Keisuke Utsu, Osamu Uchida. Location Extraction in Disaster Tweets with a Model Trained on Past Data: Diverse Analysis. 2024
Keisuke Utsu, Natsumi Yagi, Airi Fukushima, Yuma Takemori, Atsushi Okazaki, Osamu Uchida. Analysis of Quote Retweets for COVID-19 State of Emergency Related Tweets Posted from Prefectural Governors’ Accounts in Japan. ITDRR 2021: Information Technology in Disaster Risk Reduction. 2021. 107-120
Osamu Uchida, Sachi Tajima, Yoshitaka Kajita, Keisuke Utsu, Yuji Murakami, Sanetoshi Yamada. Development and Implementation of an ICT-based Disaster Prevention and Mitigation Education Program for the Young Generation. Information Systems Frontiers. 2020
Extension of the Disaster Information Tweeting System DITS to a System Which is Available in Peacetime. 2016. 116. 92. 39-44
Uchida Osamu, Kosugi Masafumi, Endo Gaku, Funayama Takamitsu, Utsu Keisuke, Tajima Sachi, Tomita Makoto, Kajita Yoshitaka, Yamamoto Yoshiro. AS-2-5 A Disaster Related Information Sharing System Based on the Utilization of Twitter. Proceedings of the IEICE Engineering Sciences Society/NOLTA Society Conference. 2015. 2015. "S-19"-"S-20"
Kobayashi Kei, Totani Yosuke, Utsu Keisuke, Ishii Hiroshi. B-8-38 An improvement of secure communication method using secret sharing schemes in wireless distributed networks. Proceedings of the Society Conference of IEICE. 2015. 2015. 2. 148-148
Optimization of Location Data Supplementing Information Transfer Method over MANET. 2015. 8. 2. 16-20
A Study on Secure Communication Method using Secret Sharing Scheme over MANET in case of Disaster. 2015. 8. 2. 9-15
2021/10 - ITDRR 2021 Best Paper Award Analysis of Quote Retweets for COVID-19 State of Emergency Related Tweets Posted from Prefectural Governors’ Accounts in Japan
2021/02 - 電子情報通信学会 2020年安全・安心な生活とICT研究会・研究奨励賞 Sina Weiboを利用した災害情報・救援要請共有システムの提案