Distributed Systems Group
Graduate School of Social Data Science
Hitotsubashi University

Distributed Systems Group is working on techniques for cooperation among many & various computers.

Keywords: Decentralized Systems, IoT Systems, Blockchain/Distributed Ledger, Disaster Prevention Systems, etc.


News

2026/6/1 Our paper below has been accepted in IEEE Access.
Satoshi Kondo, Ryohei Banno, “NFT Market Regimes and Cross-Sectional Alpha Heterogeneity: Evidence from Structural Clusters”
2025/11/12 Our paper below has been accepted in the IPSJ Journal of Information Processing as a Technical Note.
Takumi Matsumoto, Masaaki Ohnishi, Ryohei Banno, Saneyasu Yamaguchi, “Fault Tolerant Path Detection in Wireless Mesh Networks for Disaster Notification”
2025/9/9 Dr. Banno has received the Distinguished Contributions Award from IEICE Communications Society.
2025/8/22 Our paper below has been accepted in the IEICE Transactions on Communications (Japanese Edition).
Tomoki Okuda, Masaaki Ohnishi, Ryohei Banno, “Distributed Time Slot Control for a Disaster Notification Wireless Mesh Network”
2025/6/24 The following paper received the IA Best Research Award 2024.
Ryohei Banno, Yoshito Watanabe, “Managing Wildcard Topics by Bloom Filter in Distributed MQTT Brokers”, Technical Report of IEICE, IA2024-15, pp. 19-26, September 2024.
2025/5/26 Dr. Imamah and Dr. Fika visited us from University of Trunojoyo Madura, Indonesia.
2025/4/4 Our paper below has been accepted in the Journal of Natural Language Processing.
Yuki Kanno, Ryohei Banno, “Estimating Viewer Emotions on Online Video Sharing Services”.
2025/3/14 Dr. Banno has received the IPSJ Microsoft Faculty Award.
2024/10/27 Our paper below has won the Best Poster Award in IA 2024.
Shota Imoto, Yoshito Watanabe, Ryohei Banno, “Securing Address Integrity in MANET; A Blockchain-based Approach”.
2024/9/30 Our paper below has been accepted in IEEE CCNC 2025.
Ryohei Banno, Yoshito Watanabe “Wildcard Topic Management using Bloom Filter in Distributed MQTT Brokers”.

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