Fujihara Akihiro 藤原明広

… Alternative Names

FUJIHARA Akihiro 藤原明広

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Researcher Number	70448687
Other IDs	https://orcid.org/0000-0002-9090-7786
Affiliation (Current)	2024: 千葉工業大学, 工学部, 教授
Affiliation (based on the past Project Information) *help	2020 – 2023: 千葉工業大学, 工学部, 教授 2022: 千葉工業大学, 工学部, 准教授 2017 – 2020: 千葉工業大学, 工学部, 准教授 2014 – 2016: 福井工業大学, 環境情報学部, 准教授 2014: 福井工業大学, 工学部, 准教授 2014: 福井工業大学, 経営情報学科, 准教授 2008 – 2013: 関西学院大学, 理工学研究科, 博士研究員
Review Section/Research Field	Principal Investigator Basic Section 60060:Information network-related / Information network / Multimedia database / Social systems engineering/Safety system Except Principal Investigator Information network / Computer system/Network
Keywords	Principal Investigator ブロックチェーン / 非中央集権性 / Web3 / 相互運用性 / 近接情報サービス / 遅延耐性ネットワーク / 分散合意アルゴリズム / 偽情報 / 分散アルゴリズム / bloxberg … More / 合意アルゴリズム / ファクトチェック / 待ち行列理論 / 改ざん耐性 / スケーラビリティ / DAO / 偽情報対策 / 非常時通信 / 統計数学 / 移動体通信 / データ科学 / ヒューマンモビリティ / 移動モデル / 人の移動パターン / 社会ネットワーク / ネットワーク科学 / 強化学習 / 確率モデル / 人の移動 / ビッグデータ分析・活用 / モバイルネットワーク / モノのインターネット / ビッグデータ解析 / 近接遭遇特性 / 機会情報サービス / 群集誘導 / 群衆誘導 … More Except Principal Investigator アルゴリズム / 最適化 / DTN / 劣通信環境 / ユビキタスコンピューティング / ネットワーク / 群集流動 / 配送計画 / ＤＴＮ / 電力供給 / 大規模災害 / 確率論 / 蓄積搬送型通信 Less

Studies on multi-layer and parallel consensus protocols for hyper-interoperable blockchainsPrincipal Investigator
- Principal Investigator
  
  藤原明広
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60060:Information network-related
- Research Institution
  Chiba Institute of Technology
Studies on fundamental blockchain technology for spatio-temporal permanent certification system and its application to countering disinformationPrincipal Investigator
- Principal Investigator
  
  Fujihara Akihiro
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60060:Information network-related
- Research Institution
  Chiba Institute of Technology
Development of Standard Mobility Model Reflecting Long-term Proximal Encounter Patterns and Stability Evaluation of Delay Tolerant NetworkingPrincipal Investigator
- Principal Investigator
  
  Fujihara Akihiro
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Information network
- Research Institution
  Chiba Institute of Technology
Research and development of basic technologies for real-time crowd flow control
- Principal Investigator
  
  Miwa Hiroyoshi
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Information network
- Research Institution
  Kwansei Gakuin University
Understanding human proximity patterns by big data analysis and its application to proximity-based servicesPrincipal Investigator
- Principal Investigator
  
  Fujihara Akihiro
- Project Period (FY)
  2015 – 2016
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Multimedia database
- Research Institution
  Fukui University of Technology
Store-carry-forward method for electric power supply at the time of disaster
- Principal Investigator
  
  Miwa Hiroyoshi
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Information network
- Research Institution
  Kwansei Gakuin University
Development of fundamental technologies for crowd navigation using delay tolerant networkingPrincipal Investigator
- Principal Investigator
  
  FUJIHARA Akihiro
- Project Period (FY)
  2013 – 2014
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Social systems engineering/Safety system
- Research Institution
  Fukui University of Technology
  Kwansei Gakuin University
Study on Algorithm Design for Efficient Data Transfer Controls by using Properties of Human Mobility Patterns in Delay Tolerant Networks
- Principal Investigator
  
  HIROYOSHI Miwa
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Computer system/Network
- Research Institution
  Kwansei Gakuin University
The Algorithm Design for Efficient Data Transfer Controls in Delay Tolerant Networks
- Principal Investigator
  
  MIWA Hiroyoshi
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Computer system/Network
- Research Institution
  Kwansei Gakuin University

All 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2011 2010 2009 2008 Other

All Journal Article Presentation

[Journal Article] Performance Evaluation Experiments of Bitcoin SV Scaling Test Network2022
- Author(s)
  Fujihara Akihiro、Yanagihara Takaaki
- Journal Title
  
  Advances in Intelligent Networking and Collaborative Systems
  
  Volume: 527 Pages: 150-160
- DOI
  10.1007/978-3-031-14627-5_15
- ISBN
  9783031146268, 9783031146275
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11797
[Journal Article] 「ブロックチェーン」を学んで，使ってみよう!2022
- Author(s)
  Fujihara Akihiro
- Journal Title
  
  IEICE Communications Society Magazine
  
  Volume: 16 Issue: 1 Pages: 30-37
- DOI
  10.1587/bplus.16.30
- ISSN
  1881-9567, 2186-0661
- Language
  Japanese
- Open Access
- Data Source
  KAKENHI-PROJECT-20K11797
[Journal Article] ビットコインスケーリングテストネットワーク性能評価実験2021
- Author(s)
  藤原明広
- Journal Title
  
  IEICE Tech. Rep.
  
  Volume: 120 Pages: 91-96
- Data Source
  KAKENHI-PROJECT-20K11797
[Journal Article] 近接情報共有型交通車両群誘導法の性能評価～近接情報共有型車両の割合の影響～2021
- Author(s)
  網田昇悟，藤原明広
- Journal Title
  
  IEICE Tech. Rep.
  
  Volume: 120 Pages: 108-113
- Data Source
  KAKENHI-PROJECT-20K11797
[Journal Article] A Performance Evaluation of Vehicular Swarm Intelligence for Seamless Route Guidance using Opportunistic Networking2021
- Author(s)
  Amita Shogo、Fujihara Akihiro
- Journal Title
  
  IEEE Xplore
  
  Volume: 53999 Pages: 00008-00008
- DOI
  10.1109/candarw53999.2021.00008
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11797
[Journal Article] ブロックチェーンにおけるオラクル問題の集合知を用いた回避に関する実験的性能評価2021
- Author(s)
  加藤豊，藤原明広
- Journal Title
  
  IEICE Tech. Rep.
  
  Volume: 120 Pages: 120-125
- Data Source
  KAKENHI-PROJECT-20K11797
[Journal Article] Considering Cross-Referencing Method for Scalable Public Blockchain2021
- Author(s)
  Takaaki Yanagihara, Akihiro Fujihara
- Journal Title
  
  LNDECT
  
  Volume: 65 Pages: 220-231
- DOI
  10.1007/978-3-030-70639-5_21
- ISBN
  9783030706388, 9783030706395
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11797
[Journal Article] Cross-Referencing Method for Scalable Public Blockchain2021
- Author(s)
  Yanagihara Takaaki、Fujihara Akihiro
- Journal Title
  
  Internet of Things
  
  Volume: 15 Pages: 100419-100419
- DOI
  10.1016/j.iot.2021.100419
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K11797
[Journal Article] Model for generation of social network considering human mobility and interaction2020
- Author(s)
  Naoto Fukae, Hiroyoshi Miwa, Akihiro Fujihara
- Journal Title
  
  International Journal of Grid and Utility Computing
  
  Volume: 11 Issue: 3 Pages: 388-397
- DOI
  10.1504/ijguc.2020.107619
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00141
[Journal Article] 強化学習に着想を得た人の移動モデルの検討2020
- Author(s)
  岩井佑太郎・藤原明広
- Journal Title
  
  信学技報
  
  Volume: 119 Pages: 237-242
- Data Source
  KAKENHI-PROJECT-17K00141
[Journal Article] PoWaP: Proof of Work at Proximity for a crowdsensing system for collaborative traffic information gathering2019
- Author(s)
  A. Fujihara
- Journal Title
  
  Internet of Things
  
  Volume: ー Pages: 100046-100046
- DOI
  10.1016/j.iot.2019.02.006
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00141, KAKENHI-PROJECT-17H01742
[Journal Article] Proposing a Blockchain-Based Open Data Platform and Its Decentralized Oracle2019
- Author(s)
  Akihiro Fujihara
- Journal Title
  
  Advances in Intelligent Networking and Collaborative Systems
  
  Volume: 1035 Pages: 190-201
- DOI
  10.1007/978-3-030-29035-1_19
- ISBN
  9783030290344, 9783030290351
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00141
[Journal Article] Proposing a System for Collaborative Traffic Information Gathering and Sharing Incentivized by Blockchain Technology2018
- Author(s)
  A. Fujihara
- Journal Title
  
  Proc. International Conference on Intelligent Networking and Collaborative System
  
  Volume: - Pages: 170-182
- DOI
  10.1007/978-3-319-98557-2_16
- ISBN
  9783319985565, 9783319985572
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H01742
[Journal Article] ブロックチェーン技術を用いた分散型交通情報システムの提案2018
- Author(s)
  藤原明広
- Journal Title
  
  IEICE Technical Report
  
  Volume: 117 Pages: 291-296
- Data Source
  KAKENHI-PROJECT-17K00141
[Journal Article] Model for Generation of Social Network Considering HumanMobility2018
- Author(s)
  N. Fukae, A, Fujihara, H, Miwa
- Journal Title
  
  Proc. International Conference on Intelligent Networking and Collaborative System
  
  Volume: - Pages: 294-305
- DOI
  10.1007/978-3-319-98557-2_27
- ISBN
  9783319985565, 9783319985572
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H01742
[Journal Article] モビリティを考慮した人間関係ネットワーク生成モデル2018
- Author(s)
  深江政太，藤原明広，巳波弘佳
- Journal Title
  
  IEICE Technical Report
  
  Volume: 117 Pages: 87-92
- Data Source
  KAKENHI-PROJECT-17K00141
[Journal Article] Pareto-Zipf law in growing systems with multiplicative interactions2018
- Author(s)
  T. Ohtsuki, S. Tanimoto, M. Sekiyama, A. Fujihara, H. Yamamoto
- Journal Title
  
  Physics Letters A
  
  Volume: 382 Issue: 22 Pages: 1456-1459
- DOI
  10.1016/j.physleta.2018.04.003
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00141, KAKENHI-PROJECT-17H01742
[Journal Article] Finding Hidden Location Patterns of Two Competitive Supermarkets in Thailand2017
- Author(s)
  Jinattaporn Khumsri, Akihiro Fujihara
- Journal Title
  
  JPS Conf. Proc.
  
  Volume: 16 Pages: 011017-011017
- DOI
  10.7566/jpscp.16.011017
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00141
[Journal Article] 色付きネットワークモチーフを用いた空間パターン分析2017
- Author(s)
  ジナッタポーンカムスリ，藤原明広
- Journal Title
  
  IEICE Technical Report
  
  Volume: 116 Pages: 281-286
- Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K21473
[Journal Article] 人の流れデータ生成法が感染型情報伝播に与える影響2017
- Author(s)
  酒井勇輔，藤原明広
- Journal Title
  
  IEICE Technical Report
  
  Volume: 116 Pages: 419-424
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K21473
[Journal Article] Proximity-Based Service: An Advanced Way of Extending Human Proximity Awareness2017
- Author(s)
  Akihiro Fujihara
- Journal Title
  
  Smart Sensors Networks: Communication Technologies and Intelligent Applications
  
  Volume: 13 Pages: 293-307
- DOI
  10.1016/b978-0-12-809859-2.00017-6
- ISBN
  9780128098592
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00141
[Journal Article] Evaluation of How Methods for Creating People Flow Data Affect Performance of Epidemic Routing2017
- Author(s)
  Yusuke Sakai, Akihiro Fujihara
- Journal Title
  
  INCoS 2017: Advances in Intelligent Networking and Collaborative Systems
  
  Volume: 8 Pages: 367-379
- DOI
  10.1007/978-3-319-65636-6_33
- ISBN
  9783319656359, 9783319656366
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00141
[Journal Article] Estimating Proper Communication Distance for Epidemic Routing in Japanese Urban Areas Using SNS-Based People Flow Data2016
- Author(s)
  Akihiro Fujihara
- Journal Title
  
  Proc. INCoS2016
  
  Volume: - Pages: 1-8
- DOI
  10.1109/incos.2016.22
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330122, KAKENHI-PROJECT-15K21473
[Journal Article] 擬似人流データを利用した感染型ルーチングにおける適正な通信距離の推定2016
- Author(s)
  藤原明広
- Journal Title
  
  信学技報
  
  Volume: 115 Pages: 95-100
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K21473
[Journal Article] 擬似人流データを利用した感染型ルーチングにおける適正な通信距離の推定2016
- Author(s)
  藤原明広
- Journal Title
  
  IEICE Technical Report
  
  Volume: 115 Pages: 95-100
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K21473
[Journal Article] モビリティデータを用いた集積エリアに関する研究2015
- Author(s)
  野際大介，藤原明広
- Journal Title
  
  福井工業大学研究紀要
  
  Volume: 45 Pages: 248-256
- NAID
  120005642484
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-15K21473
[Journal Article] Proposing an extended iBeacon system for indoor route guidance2015
- Author(s)
  Akihiro Fujihara, Takuma Yanagizawa
- Journal Title
  
  2015 International Conference on Intelligent Networking and Collaborative Systems
  
  Volume: INCoS2014 Pages: 31-37
- DOI
  10.1109/incos.2015.72
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K21473
[Journal Article] Analyzing scale-free property on human serendipitous encounters using mobile phone data2015
- Author(s)
  Akihiro Fujihara
- Journal Title
  
  Proceedings of the 13th International Conference on Advances in Mobile Computing and Multimedia
  
  Volume: MoMM 2015 Pages: 122-125
- DOI
  10.1145/2837126.2837180
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K21473
[Journal Article] iBeaconを用いた移動方向判定システム2015
- Author(s)
  柳澤琢磨, 藤原明広
- Journal Title
  
  IEICE Technical Report
  
  Volume: 114 Pages: 163-168
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25870958
[Journal Article] Disaster Evacuation Guidance Using Opportunistic Communication: The Potential for Opportunity-Based Service2014
- Author(s)
  Akihiro Fujihara, Hiroyoshi Miwa
- Journal Title
  
  Big Data and Internet of Things: A Roadmap for Smart Environments, Studies in Computational Intelligence
  
  Volume: 546 Pages: 425-446
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25870958
[Journal Article] Homesick Levy Walk: A Mobility Model Having Ichi-Go Ichi-e and Scale-Free Properties of Human Encounters2014
- Author(s)
  Akihiro Fujihara, Hiroyoshi Miwa
- Journal Title
  
  Proc.IEEE COMPSAC2014
  
  Volume: 1 Pages: 576-583
- DOI
  10.1109/compsac.2014.81
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-23500105, KAKENHI-PROJECT-25870958
[Journal Article] すれちがい通信を利用した自己組織的吸着避難誘導法2014
- Author(s)
  藤原明広，巳波弘佳
- Journal Title
  
  IEICE Technical Report
  
  Volume: Vol. 113, No. 473, IN2013-146 Pages: 19-24
- Data Source
  KAKENHI-PROJECT-25870958
[Journal Article] Necessary condition for self-organized follow-me evacuation guidance using opportunistic networking2014
- Author(s)
  Akihiro Fujihara, Hiroyoshi Miwa
- Journal Title
  
  Intelligent Networking and Collaborative Systems (INCoS), 2014 International Conference on
  
  Volume: 51 Pages: 213-220
- DOI
  10.1109/incos.2014.51
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25870958
[Journal Article] Homesick LevyWalk and Optimal Forwarding Criterion of Utility-based Routing under Sequential Encounters2013
- Author(s)
  Miwa,H. and A. Fujihara.
- Journal Title
  
  Internet of things and inter-cooperative computational technologies for collective intelligence
  
  Volume: Vol.460 Pages: 207-231
- DOI
  10.1007/978-3-642-34952-2_9
- ISBN
  9783642349515, 9783642349522
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22500141, KAKENHI-PROJECT-23500105
[Journal Article] すれちがい通信を利用した避難誘導における混雑地周辺での迂回経路選択の影響2013
- Author(s)
  巳波弘佳，藤原明広
- Journal Title
  
  信学技報
  
  Volume: 112 Pages: 353-358
- Data Source
  KAKENHI-PROJECT-23500105
[Journal Article] Methods for Determining the Restoration Order of Base Nodes in the Virtual Segment Network2013
- Author(s)
  辻広志，藤原明広，巳波弘佳
- Journal Title
  
  Proc. INCoS2013
  
  Volume: 1 Pages: 456-461
- DOI
  10.1109/incos.2013.85
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500105
[Journal Article] On the Use of Congestion Information for Rerouting in the Disaster Evacuation Guidance Using Opportunistic Communication2013
- Author(s)
  藤原明広，巳波弘佳
- Journal Title
  
  Proc. ADMNET2013
  
  Volume: 1 Pages: 563-568
- DOI
  10.1109/compsacw.2013.75
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500105, KAKENHI-PROJECT-25870958
[Journal Article] Optimal Forwarding Criterion of Utility-based Routing Under Sequential Encounters for Delay Tolerant Networks2011
- Author(s)
  H. Miwa, A. Fujihara
- Journal Title
  
  Proc. IEEE INCoS
  
  Volume: 1 Pages: 279-286
- DOI
  10.1109/incos.2011.130
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500105
[Journal Article] 劣通信環境におけるノードの移動特性を考慮した中継転送方式2011
- Author(s)
  小野司郎,藤原明広,巳波弘佳
- Journal Title
  
  信学技報 IN2010-168
  
  Pages: 145-150
- NAID
  110008688949
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] Bluetooth&Wi-Fiモバイル無線通信実験とすれ違い頻度分布の冪乗則～一期一会の影響～2011
- Author(s)
  藤原明広,巳波弘佳
- Journal Title
  
  信学技報 IN2010-167
  
  Pages: 139-144
- NAID
  110008688948
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] Algorithms for Base Node Location Problem in the Virtual Segment in Store-carry-forward Routing Schemes2010
- Author(s)
  Ryohei Dou, Akihiro Fujihara, Hiroyoshi Miwa
- Journal Title
  
  Proc. International Conference on Intelligent Networking and Collaborative Systems (INCoS2010), Third International Workshop on Information Network Design (WIND2010)
  
  Pages: 374-379
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] Scaling relations of data gathering times in an epidemically data sharing system with opportunistically communicating mobile sensors2010
- Author(s)
  A.Fujihara
- Journal Title
  
  Intelligent Networking, Collaborative Systems and Applications
  
  Volume: 329/2011 Pages: 193-206
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] 劣通信環境における情報収集とその構造推定への応用2010
- Author(s)
  巳波弘佳,藤原明広,下斗米貴之
- Journal Title
  
  電子情報通信学会論文誌B Vol.J93-B, No.12
  
  Pages: 1575-1584
- NAID
  110007988817
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] Universal Power Laws in the Threshold Network Model : A Theoretical Analysis Based on Extreme Value Theory2010
- Author(s)
  藤原明広,内田真人,巳波弘佳
- Journal Title
  
  Elsevier Physica A Volume 389, Issue 5
  
  Pages: 1124-1130
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] Universal Power Laws in the Threshold Network Model : A Theoretical Analysis Based on Extreme Value Theory2010
- Author(s)
  A.Fujihara
- Journal Title
  
  Elsevier Physica A
  
  Volume: Volume 389Issue 5 Pages: 1124-1130
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] Scaling relations of data gathering times in an epidemically data sharing system with opportunistically communicating mobile sensors2010
- Author(s)
  藤原明広,巳波弘佳
- Journal Title
  
  Intelligent Networking, Collaborative Systems and Applications, Springer Chapter 9
  
  Pages: 193-206
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] 移動センサ感染型情報共有過程における情報収集の緩和時間2010
- Author(s)
  藤原明広, 巳波弘佳
- Journal Title
  
  信学技報 IN2009-182
  
  Pages: 229-234
- NAID
  110008000354
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] On two phase transitions of relaxation times in an epidemic data gathering with mobile peers on graphs2010
- Author(s)
  藤原明広,巳波弘佳
- Journal Title
  
  Proc. International Conference on Intelligent Networking and Collaborative Systems (INCoS2010), Third International Workshop on Information Network Design (WIND2010)
  
  Pages: 329-330
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] Universal Power Laws in the Threshold Network Model : A Theoretical Analysis Based on Extreme Value Theory2010
- Author(s)
  Akihiro Fujihara
- Journal Title
  
  Elsevier Physica A Volume 389 Issue 5
  
  Pages: 1124-1130
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] 劣通信環境下における協調型地図推定2010
- Author(s)
  下斗米貴之,藤原明広,巳波弘佳
- Journal Title
  
  信学技報 IN2009-190
  
  Pages: 277-281
- NAID
  110008000362
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] 極値理論によるしきい値モデルの漸近解析2009
- Author(s)
  井手勇介,藤原明広,内田真人,巳波弘佳,増田直紀,今野紀雄
- Journal Title
  
  第5回ネットワーク生態学シンポジウム
  
  Pages: 21-21
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] Limit Theorems for the Average Distance and the Degree Distribution of the Threshold Network Model2009
- Author(s)
  Akihiro Fujihara
- Journal Title
  
  Interdisciplinary Information Sciences Vol.15 No.3
  
  Pages: 361-366
- NAID
  130000120884
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] 極値理論による閾値モデル解析と普遍的冪乗則2009
- Author(s)
  藤原明広,内田真人,巳波弘佳
- Journal Title
  
  信学技報 IN2008-176
  
  Pages: 261-266
- NAID
  110007324846
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] Limit theorems for the average distance and the degree distribution of the threshold network model2009
- Author(s)
  Akihiro Fujihara, Yusuke Ide, Norio Konno, Naoki Masuda, Hiroyoshi Miwa, Masato Uchida
- Journal Title
  
  Jounal of Interdisciplinary Information Sciences Vol.15, No.3
  
  Pages: 361-366
- NAID
  130000120884
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] Relaxation times of information collections in an epidemically information-sharing process with randomly moving sensors on bounded space2009
- Author(s)
  藤原明広, 巳波弘佳
- Journal Title
  
  Proc. International Conference on Intelligent Networking and Collaborative Systems (INCoS2009), Second International Workshop on Information Network Design (WIND'09)
  
  Pages: 360-365
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Journal Article] ランダムウォークの数理に学ぶ-DTN (Delay- and Disruption-Tolerant Network)における移動体無線通信と情報収集時間分布-2008
- Author(s)
  藤原明広,巳波弘佳
- Journal Title
  
  電子情報通信学会誌平成20年10月号小特集記事(情報通信ネットワークの設計・制御理論の新潮流---異分野からのアプローチ)
  
  Pages: 881-885
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500080
[Presentation] Theoretical Considerations on Bitcoin Block Size Distribution2022
- Author(s)
  Akihiro Fujihara
- Organizer
  Blockchain Kaigi 2022 (BCK22)
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] ビットコインを用いたファクトチェック・レジストリの実装2022
- Author(s)
  櫻井柾希・藤原明広
- Organizer
  電子情報通信学会　情報ネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] Performance Evaluation Experiments of Bitcoin SV Scaling Test Network2022
- Author(s)
  Akihiro Fujihara and Takaaki Yanagihara
- Organizer
  The 14th International Conference on Intelligent Networking and Collaborative Systems (INCoS-2022)
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] チェーンレス型多層合意における待ち時間の実験的評価2022
- Author(s)
  柳原貴明・藤原明広
- Organizer
  電子情報通信学会　ネットワークシステム研究会
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] ファクトチェックDAOの提案2022
- Author(s)
  中沢遼輔・藤原明広
- Organizer
  電子情報通信学会　情報ネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] チェーンレス型多層合意の安全性とセキュリティに関する考察2022
- Author(s)
  柳原貴明・藤原明広
- Organizer
  電子情報通信学会　ネットワークシステム研究会
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] Harmonization of competition and cooperation in consensus algorithm: Toward a solution to blockchain scalability problem2022
- Author(s)
  Akihiro Fujihara
- Organizer
  2022 4th International Conference on Computer Communication and the Internet 2022
- Invited
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] 連合型合意の提案と多数ノードによる性能評価実験2022
- Author(s)
  柳原貴明・藤原明広
- Organizer
  電子情報通信学会　ネットワークシステム研究会
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] 近接情報共有型交通車両群誘導法の性能評価～近接情報共有型車両の割合の影響～2021
- Author(s)
  網田昇悟，藤原明広
- Organizer
  情報ネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] ビットコインスケーリングテストネットワーク性能評価実験2021
- Author(s)
  藤原明広
- Organizer
  情報ネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] On-chain Scaling of Blockchain2021
- Author(s)
  Akihiro Fujihara
- Organizer
  2021 Japan-America Frontiers of Engineering Symposium (JAFOE)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] Considering Cross-Referencing Method for Scalable Public Blockchain2021
- Author(s)
  Takaaki Yanagihara, Akihiro Fujihara
- Organizer
  International Conference on Emerging Internetworking, Data & Web Technologies (EIDWT) 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] ビットコインのブロックサイズ分布とその理論的考察2021
- Author(s)
  藤原明広
- Organizer
  社会物理学研究会
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] ブロックチェーンにおけるオラクル問題の集合知を用いた回避に関する実験的性能評価2021
- Author(s)
  加藤豊，藤原明広
- Organizer
  情報ネットワーク研究会
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] 人との接触機会に関する研究とその応用に向けた課題2021
- Author(s)
  藤原明広
- Organizer
  2021年電子情報通信学会総合大会
- Invited
- Data Source
  KAKENHI-PROJECT-20K11797
[Presentation] 強化学習に着想を得た人の移動モデルの検討2020
- Author(s)
  岩井佑太郎，藤原明広
- Organizer
  情報ネットワーク研究会
- Data Source
  KAKENHI-PROJECT-17K00141
[Presentation] Proposing a Blockchain-Based Open Data Platform and Its Decentralized Oracle2019
- Author(s)
  Akihiro Fujihara
- Organizer
  INCoS2019
- Data Source
  KAKENHI-PROJECT-17K00141
[Presentation] Model for generation of social network considering human mobility and interaction2019
- Author(s)
  Naoto Fukae, Hiroyoshi Miwa, Akihiro Fujihara
- Organizer
  INCoS2019
- Data Source
  KAKENHI-PROJECT-17K00141
[Presentation] CDRデータを用いた人の行動分析とその理論2019
- Author(s)
  藤原明広
- Organizer
  平成30年度統数研共同研究集会「社会物理学の新展開」
- Data Source
  KAKENHI-PROJECT-17H01742
[Presentation] 1次元ホームシック・レヴィ飛行の非平衡定常状態の解析2019
- Author(s)
  藤原明広
- Organizer
  日本物理学会第74回年次大会
- Data Source
  KAKENHI-PROJECT-17H01742
[Presentation] Model for Generation of Social Network Considering Human Mobility2018
- Author(s)
  Naoto Fukae, Akihiro Fujihara, Hiroyoshi Miwa
- Organizer
  The 10th International Conference on Intelligent Networking and Collaborative Systems
- Data Source
  KAKENHI-PROJECT-17K00141
[Presentation] Proposing a System for Collaborative Traffic Information Gathering and Sharing Incentivized by Blockchain Technology2018
- Author(s)
  A. Fujihara
- Organizer
  The 10th International Conference on Intelligent Networking and Collaborative Systems
- Data Source
  KAKENHI-PROJECT-17K00141
[Presentation] モビリティを考慮した人間関係ネットワーク生成モデル2018
- Author(s)
  深江政太，藤原明広，巳波弘佳
- Organizer
  情報ネットワーク研究会
- Data Source
  KAKENHI-PROJECT-17K00141
[Presentation] ブロックチェーン技術を用いた分散型交通情報システムの提案2018
- Author(s)
  藤原明広
- Organizer
  情報ネットワーク研究会
- Data Source
  KAKENHI-PROJECT-17K00141
[Presentation] 色付きネットワークモチーフを用いた空間パターン分析2017
- Author(s)
  ジナッタポーンカムスリ，藤原明広
- Organizer
  電子情報通信学会情報ネットワーク研究会
- Place of Presentation
  沖縄残波岬ロイヤルホテル
- Year and Date
  2017-03-03
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] Evaluation of How Methods for Creating People Flow Data Affect Performance of Epidemic Routing2017
- Author(s)
  Yusuke Sakai, Akihiro Fujihara
- Organizer
  The ninth International Conference on Intelligent Networking and Collaborative Systems
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00141
[Presentation] 人の移動データの作成と可視化：感染型情報伝搬への影響2017
- Author(s)
  酒井勇輔，藤原明広
- Organizer
  2017年電子情報通信学会総合大会
- Place of Presentation
  名城大学
- Year and Date
  2017-03-23
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] 人の流れデータ生成法が感染型情報伝播に与える影響2017
- Author(s)
  酒井勇輔，藤原明広
- Organizer
  電子情報通信学会情報ネットワーク研究会
- Place of Presentation
  沖縄残波岬ロイヤルホテル
- Year and Date
  2017-03-03
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] 人の近接遭遇特性とその情報通信技術への応用2017
- Author(s)
  藤原明広
- Organizer
  2017年電子情報通信学会総合大会
- Place of Presentation
  名城大学
- Year and Date
  2017-03-23
- Invited
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] 人の移動・遭遇に関するパターン分析と近接情報サービスへの応用2016
- Author(s)
  藤原明広
- Organizer
  日本OR学会「数理的発想とその実践」研究部会
- Place of Presentation
  しきぶ温泉湯楽里
- Year and Date
  2016-02-08
- Invited
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] 感染型ルーチングにおける適正な通信距離とスケーリング関係式2016
- Author(s)
  藤原明広
- Organizer
  CSIS DAYS 2016
- Place of Presentation
  東京大学
- Year and Date
  2016-11-18
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] 擬似人流データを利用した感染型ルーチングにおける適正な通信距離の推定2016
- Author(s)
  藤原明広
- Organizer
  電子情報通信学会情報ネットワーク研究会
- Place of Presentation
  宮崎シーガイア
- Year and Date
  2016-03-04
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] Estimating Proper Communication Distance for Epidemic Routing in Japanese Urban Areas Using SNS-Based People Flow Data2016
- Author(s)
  Akihiro Fujihara
- Organizer
  2016 International Conference on Intelligent Networking and Collaborative Systems (INCoS)
- Place of Presentation
  Technical University of Ostrawva
- Year and Date
  2016-09-07
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] Finding hidden location patterns of two competitive supermarkets in Thailand2016
- Author(s)
  Jinattaporn Khumsri, Akihiro Fujihara
- Organizer
  Asia-Pasific Econophysics Conference 2016
- Place of Presentation
  東京大学
- Year and Date
  2016-08-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] Exploring relationships between human mobility motifs and rainfall for development2015
- Author(s)
  Akihiro Fujihara, Daisuke Nogiwa, Toshihiro Kasai, Shota Maegawa
- Organizer
  The main conference on the scientific analysis of mobile phone datasets
- Place of Presentation
  MIT Media Lab., Boston
- Year and Date
  2015-04-09
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] Proposing an extended iBeacon system for indoor route guidance2015
- Author(s)
  Akihiro Fujihara, Takuma Yanagizawa
- Organizer
  2015 International Conference on Intelligent Networking and Collaborative Systems
- Place of Presentation
  Tamkang University, Taipei
- Year and Date
  2015-09-02
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K21473
[Presentation] Bluetooth&Wi-Fiモバイル無線通信実験とすれ違い頻度分布の冪乗則～一期一会の影響～2011
- Author(s)
  藤原明広
- Organizer
  電子情報通信学会情報ネットワーク研究会
- Place of Presentation
  沖縄コンベンションセンター
- Year and Date
  2011-03-03
- Data Source
  KAKENHI-PROJECT-20500080
[Presentation] On two phase transitions of relaxation times in an epidemic datagathering with mobile peers on graphs2010
- Author(s)
  Akihiro Fujihara
- Organizer
  INCoS2010, The Third International Workshop on Information Network Design (WIND2010)
- Place of Presentation
  Thessaloniki, Greece
- Year and Date
  2010-11-26
- Data Source
  KAKENHI-PROJECT-20500080
[Presentation] ZebraNet and its Theoretical Analysis on Distribution Functions of Data Gathering Times2010
- Author(s)
  藤原明広
- Organizer
  ACM MobiOpp 2010
- Place of Presentation
  Pisa, Italy
- Year and Date
  2010-02-23
- Data Source
  KAKENHI-PROJECT-20500080
[Presentation] 移動センサ感染型情報共有過程における情報収集の緩和時間2010
- Author(s)
  藤原明広
- Organizer
  電子情報通信学会情報ネットワーク研究会
- Place of Presentation
  宮崎県宮崎市(フェニックス・シーガイヤ・リゾート)
- Year and Date
  2010-03-05
- Data Source
  KAKENHI-PROJECT-20500080
[Presentation] Relaxation times of information collections in an epidemically information-sharing process with randomly moving sensors on bounded space2009
- Author(s)
  Akihiro Fujihara
- Organizer
  WIND'09 in INCoS2009
- Place of Presentation
  Barcelona, Spain
- Year and Date
  2009-11-05
- Data Source
  KAKENHI-PROJECT-20500080
[Presentation] ZebraNetと情報収集時間:確率モデルによるアプローチ2009
- Author(s)
  藤原明広,巳波弘佳
- Organizer
  白色雑音とアルゴリズムに関する確率論
- Place of Presentation
  福岡教育大学
- Year and Date
  2009-09-01
- Data Source
  KAKENHI-PROJECT-20500080
[Presentation] Efficiency Analysis on an Information-sharing process with randomly-moving mobile sensors2008
- Author(s)
  A. Fujihara
- Organizer
  SAINT 2008 WS HEUNET 2008
- Place of Presentation
  Turku, Finland
- Year and Date
  2008-07-29
- Data Source
  KAKENHI-PROJECT-20500080
[Presentation] 極値理論による閾値モデル解析と普遍的冪乗則2008
- Author(s)
  藤原明広
- Organizer
  電子情報通信学会情報ネットワーク研究会
- Place of Presentation
  沖縄
- Year and Date
  2008-03-04
- Data Source
  KAKENHI-PROJECT-20500080
[Presentation] 人と人の遭遇特性を反映するモビリティモデル
- Author(s)
  藤原明広，巳波弘佳
- Organizer
  第6回情報ネットワーク科学研究会
- Place of Presentation
  関西学院大学大阪梅田キャンパス
- Invited
- Data Source
  KAKENHI-PROJECT-23500105
[Presentation] Homesick Levy walk: A mobility model having Ichi-go Ichi-e and scale-free properties of human encounters
- Author(s)
  Akihiro Fujihara, Hiroyoshi Miwa
- Organizer
  Computer Software and Applications Conference (COMPSAC), 2014 IEEE 38th Annual
- Place of Presentation
  Vasteras, Sweden
- Year and Date
  2014-07-21 – 2014-07-25
- Data Source
  KAKENHI-PROJECT-25870958
[Presentation] iBeaconを用いた移動方向判定システム
- Author(s)
  柳澤琢磨, 藤原明広
- Organizer
  電子情報通信学会　情報ネットワーク（ＩＮ）研究会
- Place of Presentation
  沖縄コンベンションセンタ
- Year and Date
  2015-03-02 – 2015-03-03
- Data Source
  KAKENHI-PROJECT-25870958
[Presentation] すれちがい通信を利用した自己組織的吸着避難誘導法
- Author(s)
  藤原明広，巳波弘佳
- Organizer
  電子情報通信学会
- Place of Presentation
  宮崎シーガイア
- Data Source
  KAKENHI-PROJECT-25870958
[Presentation] Exploring relationships between human mobility motifs and rainfall condition
- Author(s)
  Akihiro Fujihara, Toshihiro Kasai, Daisuke Nogiwa, Shota Maegawa
- Organizer
  The main conference on the scientific analysis of mobile phone datasets
- Place of Presentation
  MIT Media Lab., Boston
- Year and Date
  2015-04-07 – 2015-04-10
- Data Source
  KAKENHI-PROJECT-25870958
[Presentation] On the use of congestion information for rerouting in the disaster evacuation guidance using opportunistic communication
- Author(s)
  Akihiro Fujihara, Hiroyoshi Miwa
- Organizer
  ADMNET 2013, IEEE-COMPSAC2013 workshop
- Place of Presentation
  京都テルサ
- Data Source
  KAKENHI-PROJECT-25870958
[Presentation] すれちがい通信を利用した自己組織的吸着避難誘導法
- Author(s)
  藤原明広，巳波弘佳
- Organizer
  電子情報通信学会情報ネットワーク研究会
- Place of Presentation
  宮崎シーガイア
- Data Source
  KAKENHI-PROJECT-23500105
[Presentation] Necessary condition for self-organized follow-me evacuation guidance using opportunistic networking
- Author(s)
  Akihiro Fujihara, Hiroyoshi Miwa
- Organizer
  Intelligent Networking and Collaborative Systems (INCoS), 2014 International Conference on
- Place of Presentation
  SALERNO, ITALY
- Year and Date
  2014-09-10 – 2014-09-12
- Data Source
  KAKENHI-PROJECT-25870958
[Presentation] 劣通信環境下における群衆誘導システム
- Author(s)
  藤原明広，巳波弘佳
- Organizer
  第3回　DTNとその未来に関するワークショップ
- Place of Presentation
  関西学院大学大阪梅田キャンパス
- Data Source
  KAKENHI-PROJECT-23500105

1. MIWA Hiroyoshi (40351738)

# of Collaborated Projects: 6 results

# of Collaborated Products: 32 results
2. UCHIDA Masato (20419617)

# of Collaborated Projects: 4 results

# of Collaborated Products: 4 results
3. FUJIWARA NAOYA (00637449)

# of Collaborated Projects: 2 results

# of Collaborated Products: 14 results

Fujihara Akihiro 藤原 明広

FUJIHARA Akihiro 藤原 明広

Research Projects

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Co-Researchers

Studies on multi-layer and parallel consensus protocols for hyper-interoperable blockchainsPrincipal Investigator

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Studies on fundamental blockchain technology for spatio-temporal permanent certification system and its application to countering disinformationPrincipal Investigator

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Development of Standard Mobility Model Reflecting Long-term Proximal Encounter Patterns and Stability Evaluation of Delay Tolerant NetworkingPrincipal Investigator

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Research and development of basic technologies for real-time crowd flow control

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Understanding human proximity patterns by big data analysis and its application to proximity-based servicesPrincipal Investigator

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Store-carry-forward method for electric power supply at the time of disaster

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Development of fundamental technologies for crowd navigation using delay tolerant networkingPrincipal Investigator

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Study on Algorithm Design for Efficient Data Transfer Controls by using Properties of Human Mobility Patterns in Delay Tolerant Networks

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The Algorithm Design for Efficient Data Transfer Controls in Delay Tolerant Networks

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[Journal Article] Performance Evaluation Experiments of Bitcoin SV Scaling Test Network2022

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[Journal Article] 「ブロックチェーン」を学んで，使ってみよう!2022

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[Journal Article] ビットコインスケーリングテストネットワーク性能評価実験2021

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[Journal Article] 近接情報共有型交通車両群誘導法の性能評価 ～ 近接情報共有型車両の割合の影響 ～2021

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Fujihara Akihiro 藤原明広

FUJIHARA Akihiro 藤原明広

[Journal Article] 近接情報共有型交通車両群誘導法の性能評価～近接情報共有型車両の割合の影響～2021