Shigeya Suzuki,  Ph.D.

鈴木 茂哉  博士 (政策・メディア)

  

shigeya

データアーキテクチャラボ（旧ブロックチェーンラボ)およびデジタルアイデンティティ(Trusted WebやOriginator Profile含む)関連の活動についてのお問い合わせは dal-info@sfc.wide.ad.jp 宛にお願いいたします。

Inquiries about the Data Architecture Lab (formerly known as Blockchain Lab) and Digital Identity effort (including Trusted Web and Originator Profile) should be addressed to dal-info@sfc.wide.ad.jp.

塾生/学生へ: 学生としての活動についてはDelight研究グループ(KG)のホームページを参照願います。

For students: Please refer to Delight Research Group’s (KG) website for more information about their activities as students.

Latest publications
最近発表した文書

2026

Auditable Certificate Issuance with Zero-Knowledge Proof of Claim Validation

Ryosuke Abe, Rintaro Inagaki, Shigeya Suzuki
9th IEEE International Workshop on Secure Digital Identity Management (COMPSAC 2026 WS), Madrid, Spain
(2026-07-07)

An Architecture of Media Analysis Platform for Analyzing Posts on Social Networking Services from Multiple Perspectives

Ryosuke Abe, Ryuichi Matsukura, Shigeya Suzuki, Osamu Nakamura
The IEEE Computers, Software, and Applications Conference (COMPSAC 2026), Madrid, Spain
(2026-07-07)

Accountable Fair Exchange Protocols on Blockchain

Riku Mochizuki, Ryosuke Abe, Shigeya Suzuki
The IEEE Computers, Software, and Applications Conference (COMPSAC 2026), Madrid, Spain
(2026-07-07)

From Detection to Audit: Deterministic Where/When OoC Verification with EvidenceSPOTL

Ryuichi Matsukura, Ryosuke Abe, Shigeya Suzuki, Osamu Nakamura
CVPR Workshop 2026 on From Perception to Persuasion: Challenges and Advances in Misinformation Detection in Society (PP-MisDet), Denver, USA
(2026-06-03)

Decentralized Autonomous Identity Architecture for Agent-Oriented Data Spaces

Naohiro Fujie, Shigeya Suzuki, Tatsuya Kurosaka, Ryosuke Abe
International Workshop on Fusion of Data, Operation, Information, and Communication Technology for Industry 4.0 and Society 5.0 (DOICT-IndSoc) Organized in conjunction with IEEE INFOCOM 2026, Tokyo, Japan
(2026-05-18)
[Further information here]

学修歴デジタルクレデンシャルの現状と課題
Current Status and Challenges of Educational Credentials

富士榮尚寛, 阿部涼介, 鈴木 茂哉
Naohiro Fujie Ryosuke Abe, Shigeya Suzuki 情報処理学会,情報処理,Vol.67 No.5 (May 2026), Japan
Information Processing Society of Japan, Information Processing, Vol. 67, No.5 (May 2026), Japan (2026-04-15)
[Further information here]

2025

E2EEメッセージングのための透明性と頑健性を備えたコンテンツモデレーション
Content Moderation with Transparency and Robustness for E2EE Messaging

稲垣凛太郎, 望月 理来, 赤間 滉星, 阿部 涼介, 鈴木 茂哉
Rintaro Inagaki, Riku Mochizuki, Kosei Akama, Ryosuke Abe, Shigeya Suzuki コンピュータセキュリティシンポジウム 2025 岡山, Okayama, Japan
Computer Security Symposium, Okayama, Japan 優秀論文賞
(2025-10-28)
[Further information here]

デジタル証明書における当人認証に用いる鍵を交換可能な識別子と鍵の管理スキーム
A Scheme of Enabling Rotation of Keys for Subject's Authentication in Digital Credentials

曽我 悠真, 阿部 涼介, 鈴木 茂哉
Yuma Soga, Ryosuke Abe, Shigeya Suzuki マルチメディア，分散，協調とモバイル (DICOMO2025) シンポジウム, Bobata, Japan
Multimedia, Distributed, Cooperative and Mobile Symposium, 2025, Bobata, Japan 優秀論文賞
(2025-06-25)

Shinken: 更改可能な透明性のあるクレーム検証モデル
Shinken: An Adaptive and Transaprent Model for Claim Verification

阿部 涼介, 望月 理来, 鈴木 茂哉, 中村 修
Ryosuke Abe, Riku Mochizuki, Shigeya Suzuki, Osamu Nakamura 情報処理学会論文誌 (Vol.66 No.6 941-952 (June 2025)), Tokyo, Japan
Journal of Information Processing (Vol.66 No.6 941-952 (June 2025)), Tokyo, Japan (2025-03-04)
[Further information here]

WARASHIBE Protocol: Fair Data-Data Exchange on Blockchain

Riku Mochizuki, Ryosuke Abe, Shigeya Suzuki
International Workshop on Fostering a Human-Centered, Trustworthy and Sustainable Internet (TRUSTCHAIN 2025), Pisa, Italy
(2025-06-02)

Extended ACME Protocol with Time-Limited VC Tokens for Automated Organization Validation

Toi Ooka, Taisho Sasada, Ryosuke Abe, Yuzo Taenaka, Youki Kadobayashi, Shigeya Suzuki
2025 International Conference on Information Networking (ICOIN), Chiang Mai, Thailand
(2025-01-15)
[Avaiable via IEEEExplore]

2024

A Conceptual Model for Claim Validation Based on Cryptographically Signed Data

Ryosuke Abe, Shigeya Suzuki, Osamu Nakamura
IEEE Access
(2024-12-31)
[Avaiable via IEEEExplore]

Decentralized Identifiers (DID) と Verifiable Credentials (VC) の現況
Current Status of Decentralized Identifiers and Verifiable Credentials

鈴木 茂哉, 安田 クリスチーナ, 富士榮 尚寛, 阿部 涼介
Shigeya Suzuki, Kristina Yasuda, Naohiro Fujie, Ryosuke Abe 電子情報通信学会 基礎・境界ソサイエティ Fundamental Review, Tokyo, Japan
IEICE Fundamental Review, Tokyo, Japan Invited Paper
(2024-07-01)
[Further information here]

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