SOUMA Wataru 相馬亘

Researcher Number	50395117
Other IDs
Affiliation (Current)	2023: 立正大学, データサイエンス学部, 教授
Affiliation (based on the past Project Information) *help	2021 – 2022: 立正大学, データサイエンス学部, 教授 2009 – 2020: 日本大学, 理工学部, 准教授 2008: (株)国際電気通信基礎研究所, 認知情報研究所, 主任研究員 2008: 京都産業大学, 国際電気基礎通信技術研究所・認知情報科学研究所, 主任研究員
Review Section/Research Field	Principal Investigator Basic Section 25010:Social systems engineering-related Except Principal Investigator Social systems engineering/Safety system / Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related / Basic Section 25010:Social systems engineering-related / Mathematical physics/Fundamental condensed matter physics / Economic theory / Sensitivity informatics/Soft computing / Business administration / Economic policy
Keywords	Principal Investigator サプライチェーン / 消費 / 新型コロナ Except Principal Investigator 社会システム / 経済ネットワーク / ネットワーク / システミックリスク / complex network / financial crisis / 複雑系ネットワーク … More / 相関行列 / コミュニティ / Helmholtz-Hodge分解 / ソーシャル・ネットワーキング・サービス / 社会的分断 / Helmholtz--Hodge分解 / 強連結成分 / 蝶ネクタイ構造 / 有向ネットワーク / ソーシャルネットワーキングサービス / エコーチェンバー / 富岳コンピュータ / 京コンピュータ / 経済システム / リード・ラグ関係 / 相互相関 / 株式市場 / 多変量解析 / 時系列 / 位相同期 / 動的相関構造 / 主成分分析 / ランダム行列理論 / ヒルベルト変換 / 多変量時系列 / 実証分析 / 負の温度 / 新古典派 / 分布 / エントロピー / 労働生産性 / エコノフィジックス / マクロ経済 / 多重 / 有向 / 情報統計力学 / 複雑系科学 / 経済物理 / 多重グラフ / 有向リンク / 可視化 / 複雑系 / 社会ネットワークモデル / 企業間関係 / ネットワーク分析 / ネットワークモデル科学 / 経済物理学 / 社会ネットワーク分析 / 企業間ネットワーク / ネットワークモデル / イノベーション / 空間経済学 Less

コロナ禍とアフターコロナにおける個人消費とサプライチェーンPrincipal Investigator
- Principal Investigator
  
  相馬亘
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 25010:Social systems engineering-related
- Research Institution
  Rissho University
A Mathematical Approach to Echo Chambers in Social Networking Services
- Principal Investigator
  
  家富洋
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 13010:Mathematical physics and fundamental theory of condensed matter physics-related
- Research Institution
  Rissho University
Study on External Shocks and Response Dynamics on Large Economic Networks with Applications
- Principal Investigator
  
  藤原義久
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 25010:Social systems engineering-related
- Research Institution
  University of Hyogo
Models and Simulations of Large-Scale Economic Networks and Their Instabilities
- Principal Investigator
  
  Fujiwara Yoshi
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Social systems engineering/Safety system
- Research Institution
  University of Hyogo
Dynamics Correlation Structures of Complex Systems: Combination of Random Matrix Theory and Hilbert Transformation
- Principal Investigator
  
  Iyetomi Hiroshi
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Mathematical physics/Fundamental condensed matter physics
- Research Institution
  Niigata University
Study of Socio-Economic Crises Based on Complex Network Science
- Principal Investigator
  
  Fujiwara Yoshi
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Social systems engineering/Safety system
- Research Institution
  University of Hyogo
Macro-econophysics
- Principal Investigator
  
  YOSHIKAWA Hiroshi
- Project Period (FY)
  2012 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Economic theory
- Research Institution
  The University of Tokyo
Structural and Dynamic Properties of Large-scale Economic Networks
- Principal Investigator
  
  IYETOMI Hiroshi
- Project Period (FY)
  2010 – 2012
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Sensitivity informatics/Soft computing
- Research Institution
  The University of Tokyo
  Niigata University
Toward new economic indicator using multi-layered network analysis
- Principal Investigator
  
  TAMADA Schumpeter
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Economic policy
- Research Institution
  Research Institute of Economy, Trade and Industry
Development of Methods in Application to Multiple-relational and Multi-modal Inter-corporate Networks
- Principal Investigator
  
  KANAMITSU Jun
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Business administration
- Research Institution
  Kyoto Sangyo University

[Book] Macro-Econophysics : New Studies on Economic Networs and Synchronization2017
- Author(s)
  H. Aoyama, Y. Fujiwara, Y. Ikeda, H. Iyetomi, W. Souma, H. Yoshikawa
- Publisher
  Cambridge University Press
- Data Source
  KAKENHI-PROJECT-25282094
[Book] Macro-Econophysics: New Studies on Economic Networks and Synchronization2017
- Author(s)
  H. Aoyama, Y. Fujiwara, Y. Ikeda, H. Iyetomi, W. Souma, H. Yoshikawa
- Total Pages
  432
- Publisher
  Cambridge University Press
- ISBN
  9781107198951
- Data Source
  KAKENHI-PROJECT-17H02041
[Book] Buyer-Supplier Networks and Aggregate Volatility in "The Economics of Interfirm Networks"2015
- Author(s)
  T. Mizuno, W. Souma, and T. Watanabe
- Publisher
  Springer
- Data Source
  KAKENHI-PROJECT-24243027
[Book] 「イノベーション政策の科学：SBIRの評価と未来産業の創造」第12章日本のクラスター政策2015
- Author(s)
  相馬亘
- Publisher
  東京大学出版会
- Data Source
  KAKENHI-PROJECT-24243027
[Book] 50のキーワードで読み解く経済学教室2011
- Author(s)
  青山秀明、家富洋、藤原義久、相馬亘
- Total Pages
  448
- Publisher
  東京図書
- Data Source
  KAKENHI-PROJECT-20330060
[Book] Econophysics and Companies : Statistical Life and Death in Complex Business Networks2010
- Author(s)
  Aoyama, H., Fujiwara, Y., Ikeda, Y., Iyetomi, H., Souma, W.
- Total Pages
  258
- Publisher
  Cambridge University Press
- Data Source
  KAKENHI-PROJECT-20330060
[Book] Econophysics and Companies : Statistical Life and Death in Complex Business Networks2010
- Author(s)
  H.Aoyama, Y.Fujiwara, Y.Ikeda, H.Iyetomi, W.Souma, H.Yoshikawa
- Total Pages
  229
- Publisher
  Cambridge University Press
- Data Source
  KAKENHI-PROJECT-20330060
[Book] Econophysics and Companies - Statistical Life and Death in Complex Business Networks2010
- Author(s)
  H. Aoyama, Y. Fujiwara, Y. Ikeda, H. Iyetomi, and W. Souma
- Total Pages
  262
- Publisher
  Cambridge University Press
- Data Source
  KAKENHI-PROJECT-22300080
[Book] Statistical Life and Death in Complex Business Networks2010
- Author(s)
  相馬亘, 他
- Total Pages
  258
- Publisher
  Cambridge University Press Econophysics and Companies
- Data Source
  KAKENHI-PROJECT-20530328
[Book] Econophysics and Companies : Statistical Life and Death in Complex Business Networks2010
- Author(s)
  Souma, Wataru
- Total Pages
  258
- Publisher
  Cambridge University Press
- Data Source
  KAKENHI-PROJECT-20530328
[Book] Econophysics and Companies : Statistical Life and Death in Complex Business Networks2010
- Author(s)
  青山秀明, 藤原義久, 池田裕一, 家富洋, 相馬亘
- Total Pages
  300
- Publisher
  Cambridge University Press
- Data Source
  KAKENHI-PROJECT-20330060
[Book] 経済物理学2008
- Author(s)
  青山秀明, 家富洋, 池田裕一, 相馬亘, 藤原義久
- Total Pages
  456
- Publisher
  共立出版
- Data Source
  KAKENHI-PROJECT-20330060
[Book] SGC-65臨時別冊・数理科学ネットワーク科学への招待2008
- Author(s)
  青山秀明, 相馬亘, 藤原義久
- Total Pages
  200
- Publisher
  サイエンス社
- Data Source
  KAKENHI-PROJECT-20330060
[Book] 経済物理学2008
- Author(s)
  青山秀明, 家富洋, 池田裕一, 相馬亘, 藤原義久著
- Total Pages
  442
- Publisher
  共立出版
- Data Source
  KAKENHI-PROJECT-20530328
[Book]2008
- Author(s)
  相馬亘, 他
- Total Pages
  456
- Publisher
  『経済物理学』共立出版
- Data Source
  KAKENHI-PROJECT-20530328
[Book] 臨時別冊・数理科学2008年7月『ネットワーク科学への招待～世界の"つながり"を知る科学と思考～』2008
- Author(s)
  青山秀明・相馬亘・藤原義久・井上寛康
- Total Pages
  200
- Publisher
  サイエンス社
- Data Source
  KAKENHI-PROJECT-20330060
[Book] 臨時別冊・数理科学SGCライブラリ「ネットワーク科学への招待一世界の“つながり"を知る科学と思考-」2008
- Author(s)
  青山秀明, 相馬亘, 藤原義久共編
- Total Pages
  193
- Publisher
  サイエンス社
- Data Source
  KAKENHI-PROJECT-20530328
[Book]2008
- Author(s)
  相馬亘,他編
- Total Pages
  193
- Publisher
  SGC-65臨時別冊・数理科学ネットワーク科学への招待, サイエンス社
- Data Source
  KAKENHI-PROJECT-20530328
[Book] 経済物理学
- Author(s)
  青山秀明・家富洋・池田裕一・相馬亘・藤原義久
- Total Pages
  456
- Publisher
  共立出版
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Complex Global Interdependencies between Economic Policy Uncertainty and Geopolitical Risks Indices2022
- Author(s)
  Wataru Souma, Carolina Magda Roma, Hiromitsu Goto, Hiroshi Iyetomi, Irena Vodenska
- Journal Title
  
  RIETI Discussion Paper Series
  
  Volume: 22-E-028 Pages: 1-36
- Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02391
[Journal Article] Stock Ownership Structure in Japan2021
- Author(s)
  Haruka Kato, Yuichi Kichikawa, Hiroshi Iyetomi, Wataru Souma
- Journal Title
  
  In: Ikeda, Y., Iyetomi, H., Mizuno, T. (eds) Big Data Analysis on Global Community Formation and Isolation. Springer, Singapore
  
  Volume: --- Pages: 191-216
- DOI
  10.1007/978-981-15-4944-1_7
- ISBN
  9789811549434, 9789811549441
- Data Source
  KAKENHI-PROJECT-18K03451, KAKENHI-PROJECT-21K03385
[Journal Article] Relationship between Macroeconomic Indicators and Economic Cycles in U.S.2020
- Author(s)
  Hiroshi Iyetomi, Hideaki Aoyama, Yoshi Fujiwara, Wataru Souma, Irena Vodenska, and Hiroshi Yoshikawa
- Journal Title
  
  Scientific Reports
  
  Volume: 10 Issue: 1 Pages: 8420-8420
- DOI
  10.1038/s41598-020-65002-3
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K03451, KAKENHI-PROJECT-20H02391, KAKENHI-PROJECT-17KT0034
[Journal Article] Local bow-tie structure of the web2019
- Author(s)
  Yuji Fujita, Yuichi Kichikawa, Yoshi Fujiwara, Wataru Souma, and Hiroshi Iyetomi
- Journal Title
  
  Applied Network Science
  
  Volume: 4 Issue: 1 Pages: 15-15
- DOI
  10.1007/s41109-019-0127-2
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K03451, KAKENHI-PROJECT-19K22032, KAKENHI-PROJECT-17H02041
[Journal Article] Measurement of Value of Firms Based on Their Stock Ownership Relations2019
- Author(s)
  Haruka Kato, Hitomi Sato, Yuichi Kichikawa, Hiroshi Iyetomi, Wataru Soma and Tsutomu Watanabe
- Journal Title
  
  Abstracts of the 8th Int'l Workshop on Complex Networks and their Applications
  
  Volume: - Pages: 450-452
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H02041
[Journal Article] Enhanced news sentiment analysis using deep learning methods2019
- Author(s)
  Souma Wataru、Vodenska Irena、Aoyama Hideaki
- Journal Title
  
  Journal of Computational Social Science
  
  Volume: 2 Issue: 1 Pages: 33-46
- DOI
  10.1007/s42001-019-00035-x
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Journal Article] Macroscopic features of production network and sequential graph drawing2019
- Author(s)
  Fujita Yuji、Fujiwara Yoshi、Souma Wataru
- Journal Title
  
  Evolutionary and Institutional Economics Review
  
  Volume: 印刷中 Issue: 1 Pages: 183-199
- DOI
  10.1007/s40844-019-00123-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H02041
[Journal Article] Practicality evaluation of stochastic model on networks for the real economy simulation2019
- Author(s)
  Goto Hiromitsu、Souma Wataru、Fujita Yuji
- Journal Title
  
  Journal of Computational Social Science
  
  Volume: 2 Issue: 1 Pages: 25-32
- DOI
  10.1007/s42001-019-00029-9
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H02041
[Journal Article] 金融危機を検知する早期警戒指標の先行・遅行構造2018
- Author(s)
  相馬亘，家富洋，吉川洋
- Journal Title
  
  RIETI ポリシー・ディスカッション・ペーパー
  
  Volume: 18-P-005 Pages: 23405-23405
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17H02041
[Journal Article] Large directed-graph layout and its application to a million-firms economic network2016
- Author(s)
  Y. Fujita, Y. Fujiwara, W. Souma
- Journal Title
  
  Evolutionary and Institutional Economics Review
  
  Volume: 13 Issue: 2 Pages: 397-408
- DOI
  10.1007/s40844-016-0059-9
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25282094
[Journal Article] DebtRank Analysis of Financial Distress Propagation on Production Network in Japan2016
- Author(s)
  Y. Fujiwara, M. Terai, Y. Fujita, W. Souma
- Journal Title
  
  経済産業研究所(RIETI) Discussion Paper
  
  Volume: 16-E-046 Pages: 1-16
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25282094
[Journal Article] Application of the Concept of Entropy to Equilibrium in Macroeconomics2015
- Author(s)
  H. Aoyama, H. Iyetomi, W. Souma and H. Yoshikawa
- Journal Title
  
  経済産業研究所(RIETI) Discussion Paper
  
  Volume: 15-E-070 Pages: 1-23
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-25282094
[Journal Article] The Structure and Evolution of Buyer-Supplier Networks2014
- Author(s)
  T. Mizuno, W. Souma, and T. Watanabe
- Journal Title
  
  PLoS ONE
  
  Volume: 9 Issue: 7 Pages: e100712-e100712
- DOI
  10.1371/journal.pone.0100712
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24243027, KAKENHI-PROJECT-24710156
[Journal Article] 株所有ネットワークのコミュニティ解析：企業間の支配構造2014
- Author(s)
  堀越道十，松浦裕貴，飯野隆史，家富洋，相馬亘
- Journal Title
  
  統計数理研究所共同研究リポート「経済物理とその周辺(10)」
  
  Volume: 311 Pages: 39-48
- Data Source
  KAKENHI-PROJECT-25400393
[Journal Article] 地理空間上におけるイノベーション検索システムの構築とその応用2013
- Author(s)
  相馬亘, 藤田裕二, 内藤祐介, 西田正敏, 治部眞里
- Journal Title
  
  RIETI Policy Discussion Paper Series
  
  Volume: 13-P-023 Pages: 25-25
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-24243027
[Journal Article] Coupled Oscillator Model of the Business Cycle with Fluctuating Goods Markets2012
- Author(s)
  Y. Ikeda, H. Aoyama, Y. Fujiwara, H.Iyetomi, K. Ogimoto, W. Souma, H. Yoshikawa
- Journal Title
  
  Prog. Theor. Phys. Suppl
  
  Volume: 194 Pages: 111-121
- NAID
  110009456876
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22300080
[Journal Article] A Paradigm Shift from Production Function to Production Copula : Statistical Description of Production Activity of Firms2011
- Author(s)
  Iyetomi H., Aoyama H., Fujiwara Y., Ikeda, Y., Souma W.
- Journal Title
  
  Quantitative Finance, forthcoming.
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Fluctuation-dissipation theory of input-output interindustrial relations2011
- Author(s)
  Iyetomi, H., Nakayama, Y., Aoyama, H., Fujiwara, Y., Ikeda, Y., Souma, W.
- Journal Title
  
  Physical Review E
  
  Volume: Volume 83, Number 1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Fluctuation-dissipation theory of input-output interindustrial relations2011
- Author(s)
  Iyetomi H., Nakayama, Y., Aoyama H., Fujiwara Y., Ikeda, Y., Souma W.
- Journal Title
  
  Physical Review E Volume 83, Number 1, id. 016103.
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] A Paradigm Shift from Production Function to Production Copula : Statistical Description of Production Activity of Firms2011
- Author(s)
  Iyetomi, H., Aoyama, H., Fujiwara, Y., Ikeda, Y., Souma, W.
- Journal Title
  
  Quantitative Finance
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] 企業所有の構造を解剖する-株式保有ネットワークの視点から2010
- Author(s)
  相馬亘
- Journal Title
  
  金融財政business
  
  Volume: 10088 Pages: 4-8
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Analysis of cooperative research and development networks on Japanese patents2010
- Author(s)
  井上寛康, 相馬亘, 玉田俊平太
- Journal Title
  
  Informetrics Vol.4
  
  Pages: 89-96
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Analysis of labor productivity using large-scale data of firm's financial statements2010
- Author(s)
  Ikeda, Y., Souma W., Aoyama H., Fujiwara Y., Iyetomi H.
- Journal Title
  
  European Physical Journal B Volume 76, Issue 4
  
  Pages: 491-499
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Analysis of cooperative research and development networks on Japanese patents2010
- Author(s)
  H.Inoue, W.Souma, S.Tamada
- Journal Title
  
  Informetrics vo;4
  
  Pages: 8-8
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20530328
[Journal Article] 企業所有の構造を解剖する-株式保有ネットワークの視点から2010
- Author(s)
  相馬亘
- Journal Title
  
  金融財政business 第10088号
  
  Pages: 4-8
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Analysis of cooperative research and development networks on Japanese patents2010
- Author(s)
  H.Inoue, W.Souma, S.Tamada
- Journal Title
  
  Informetrics 4
  
  Pages: 89-96
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Analysis of labor productivity using large-scale data of firm's financial statements2010
- Author(s)
  Ikeda, Y., Souma, W., Aoyama, H., Fujiwara, Y., Iyetomi, H.
- Journal Title
  
  European Physical Journal B
  
  Volume: Volume 76, Issue 4 Pages: 491-499
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Econophysics on Real Economy -The First Decade of the Kyoto Econophysics Group-2010
- Author(s)
  Aoyama H., Fujiwara Y., Ikeda, Y. Iyetomi H., Souma W.
- Journal Title
  
  Science and Culture, Number September-October
  
  Pages: 1-6
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] 企業所有の構造を解剖する -株所有ネットワークの視点から-2010
- Author(s)
  相馬亘
- Journal Title
  
  金融財政ビジネス
  
  Volume: Vol.10088 Pages: 4-8
- Data Source
  KAKENHI-PROJECT-20530328
[Journal Article] Econophysics on Real Economy -The First Decade of the Kyoto Econophysics Group-2010
- Author(s)
  Aoyama, H., Fujiwara, Y., Ikeda, Y., Iyetomi, H., Souma, W.
- Journal Title
  
  Science and Culture
  
  Volume: Number September-October Pages: 1-6
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Analysis of cooperative research and development networks on Japanese patents2010
- Author(s)
  H.Inoue, W.Souma, S.Tamada
- Journal Title
  
  Informetrics Vol.4
  
  Pages: 89-96
- Data Source
  KAKENHI-PROJECT-20530328
[Journal Article] Distribution of Labour Productivity in Japan over the Period 1996-20062009
- Author(s)
  Wataru Souma, Yuichi Ikeda, Hiroshi Iyetomi, Yoshi Fujiwara
- Journal Title
  
  Economics E-Journal 2009-14
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Superstatistics of Labor Productivity in Manufacturing and Nonmanufacturing Sectors2009
- Author(s)
  Aoyama H., Fujiwara Y, Ikeda, Y., Iyetomi H., Souma W.
- Journal Title
  
  Economics : The Open-Access, Open-Assessment E-Journal 2009-22
  
  Pages: 1-17
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Analysis of labor productivity using large-scale data of firm's financial statements2009
- Author(s)
  Ikeda, Y., Souma W., Aoyama H., Fujiwara Y., Iyetomi H.
- Journal Title
  
  The European Physical Journal B-Condensed Matter and Complex Systems
  
  Pages: 1-9
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Analysis of labor productivity using large-scale data of firm's financial statements2009
- Author(s)
  Y.Ikeda, W.Souma, H.Aoyama, Y.Fujiwara, H.Iyetomi
- Journal Title
  
  The European Physical Journal B-Condensed Matter and Complex Systems
  
  Pages: 1-9
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Structure and Temporal Change of Credit Network between Banks and Large Firms in Japan2009
- Author(s)
  Yoshi Fujiwara, Hideaki Aoyama, Yuichi Ikeda, Hiroshi Iyetomi, Wataru Souma
- Journal Title
  
  Economics E-Journal 2009-1
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Structure and Temporal Change of the Credit Network between Banks and Large Firms in Japan2009
- Author(s)
  Frieden, J., Ratti, R.A., Aoyama H., Fujiwara Y., Souma W.
- Journal Title
  
  Economics : The Open-Access, Open-Assessment E-Journal Vol.3, Issue 7
  
  Pages: 1-18
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Distribution of Labour Productivity in Japan Over the Period 1996-20062009
- Author(s)
  Souma, W., Ikeda, Y., Iyetomi H., Fujiwara Y.
- Journal Title
  
  Economics Discussion Paper No.2009-2
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Distribution of Labour Productivity in Japan over the Period 1996-20062008
- Author(s)
  Watery Souma
- Journal Title
  
  Economics E-Journal
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20530328
[Journal Article] 共同研究開発の過程理解に向けた特許のネットワーク分析とモデル構築2008
- Author(s)
  井上寛康, 相馬亘, 玉田俊平太
- Journal Title
  
  情報処理学会論文誌 Vol. 49, No. 4
  
  Pages: 1563-1570
- NAID
  40019580398
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] Superstatistics of Labour Productivity in Manufacturing and Nonmanufacturing Sectors2008
- Author(s)
  Hideaki Aoyama, Yoshi Fujiwara, Yuichi Ikeda, Hiroshi Iyetomi, Wataru Souma
- Journal Title
  
  Economics E-Journal 2008-42
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] 共同研究開発の過程理解に向けた特許のネットワーク分析とモデル構築2008
- Author(s)
  井上寛康・相馬亘・玉田俊平太
- Journal Title
  
  情報処理学会論文誌第49巻第4号
  
  Pages: 1563-1570
- NAID
  40019580398
- Data Source
  KAKENHI-PROJECT-20330060
[Journal Article] 創刊構造の優位成分とネットワーク推定2008
- Author(s)
  相馬亘
- Journal Title
  
  数理科学・臨時別冊SGCライブラリ「ネットワーク科学
  
  Pages: 172-178
- Data Source
  KAKENHI-PROJECT-20530328
[Presentation] リツイートネットワーク上の情報伝播過程とエコーチェンバー2022
- Author(s)
  家富洋，相馬亘
- Organizer
  日本物理学会第77回年次大会
- Data Source
  KAKENHI-PROJECT-21K03385
[Presentation] Correlation between the economic policy uncertainty and the geopolitical risk from 1997 to 20202021
- Author(s)
  Wataru Souma, Carolina Magda Roma, Hiromitsu Goto, Hiroshi Iyetomi
- Organizer
  International Conference on Big data in Economics, Science and Technology (BEST) 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02391
[Presentation] SNSにおけるエコーチェンバー現象への数理的アプローチ2021
- Author(s)
  家富洋，相馬亘
- Organizer
  明治大学MIMS研究会「Data-driven Mathematical Sciences: 経済物理とその周辺」
- Data Source
  KAKENHI-PROJECT-21K03385
[Presentation] Macroscopic Structure of the Supply-chain Network and the Growth of firms in Japan2021
- Author(s)
  Hiromitsu Goto, Wataru Souma
- Organizer
  Blockchain in Kyoto 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H02391
[Presentation] Complex Interdependencies between Geopolitical Risk, Economic Policy Uncertainty, and Financial Market2020
- Author(s)
  Carolina M. Roma, Hiromitsu Goto, Hiroshi Iyetomi, Wataru Souma
- Organizer
  The B.E.S.T.　Workshop and a Satellite Meeting to the NetSci-X 2020, Complex Systems in Finance and Economy, Kyoto
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Hierarchal Flow and Stable Structure in Japanese Production Network2020
- Author(s)
  Hiromitsu Goto, Yuji Fujita, Wataru Souma
- Organizer
  NetSci-X Special Workshop, Economic & Financial Networks, Tokyo
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] 多層ネットワークによる都道府県別産業特性の可視化2020
- Author(s)
  後藤弘光, 町出沙椰, 相馬亘
- Organizer
  明治大学ＭＩＭＳ共同研究会「Data-driven Mathematical Sciences: 経済物理とその周辺」
- Data Source
  KAKENHI-PROJECT-20H02391
[Presentation] Study on the structure and evolution in Japanese production network2019
- Author(s)
  Hiromitsu Goto, Yuji Fujita, Wataru Souma
- Organizer
  The Big Data in Economy, Science, and Technology (B.E.S.T.) Conference 2019 (A StatPhys 27 satellite), Buenos Aires, Algentine
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] 究極的株式所有構造に基づく企業価値の測定2019
- Author(s)
  加藤未来，佐藤仁美，吉川悠一，家富洋，相馬亘，渡辺努
- Organizer
  日本物理学会2019年秋季大会，岐阜大学, 岐阜市
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Fruitful Location in the Walnut Structure of Japanese Production Networks2019
- Author(s)
  Hiromitsu Goto, Wataru Souma, Yuji Fujita
- Organizer
  4th Workshop on Statistical Physics for Financial Economic Networks (SPFEN) NetSci2019 Satellite, Vermont, USA
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Measurement of Value of Firms Based on Their Stock Ownership Relations2019
- Author(s)
  Haruka Kato, Hitomi Sato, Yuichi Kichikawa, Hiroshi Iyetomi, Wataru Souma, Tsutomu Watanabe
- Organizer
  The 8th International Conference on Complex Networks and their Applications, Lisbon
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] 企業間取引ネットワーク上の確率モデルによる経済のモデル化2019
- Author(s)
  後藤弘光、相馬亘、藤田裕二
- Organizer
  日本物理学会第７４回年次大会
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Study of Early Warning Indicators of Financial Crisis2019
- Author(s)
  Wataru Souma, Irena Vodenska, Hideaki Aoyama
- Organizer
  24th Annual Workshop on Economic Science with Heterogeneous Interacting Agents (WEHIA2019), London,UK
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Study on Evolutions of Walnut structure in Japanese production network2019
- Author(s)
  Hiromitsu Goto, Yuji Fujita, Wataru Souma
- Organizer
  The Big Data in Economy, Science, and Technology (B.E.S.T.) Conference 2019 (A StatPhys 27 satellite), Buenos Aires, Algentine
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] News sentiment analysis in the US and Japan using deep learning methods2019
- Author(s)
  Wataru Souma, Irena Vodenska, Hideaki Aoyama
- Organizer
  Conference on Complex Systems 2019, Singapore
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Study on Evolutions of the Walnut Structure in Japanese Production Network2019
- Author(s)
  Hiromitsu Goto, Yuji Fujita, Wataru Souma
- Organizer
  4th Workshop on Statistical Physics for Financial Economic Networks (SPFEN) NetSci2019 Satellite, Vermont, USA
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] News sentiment based on stock price and deep learning2019
- Author(s)
  Wataru Souma, Irena Vodenska, Hideaki Aoyama
- Organizer
  The Big Data in Economy, Science, and Technology (B.E.S.T.) Conference 2019 (A StatPhys 27 satellite), Buenos Aires, Algentine
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] 究極的株式所有構造に基づく企業価値の測定2019
- Author(s)
  加藤未来，佐藤仁美，吉川悠一，家富洋，相馬亘，渡辺努
- Organizer
  明治大学MIMS共同研究集会「Data-driven Mathematical Sciences:経済物理学とその周辺」，明治大学中野キャンパス, 東京
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] News sentiment analysis in the US and Japan using deep learning methods2019
- Author(s)
  Wataru Souma, Irena Vodenska, Hideaki Aoyama
- Organizer
  The Big Data in Economy, Science, and Technology (B.E.S.T.) Conference 2019 (A StatPhys 27 satellite), Buenos Aires, Algentine
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] 日本の生産ネットワークにおけるクルミ構造の解析2019
- Author(s)
  後藤弘光、相馬亘、藤田裕二
- Organizer
  社会物理学の新展開 2019
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] The structure and evolution of Japanese production network2019
- Author(s)
  Wataru Souma, Irena Vodenska, Hideaki Aoyama
- Organizer
  RIETI Workshop: Dynamics in Finance and Economy on economic networks,Research Institute of Economy, Trade and Industry (RIETI), 東京
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Longitudinal Study on the Walnut Structure in Japanese Production Network2019
- Author(s)
  Hiromitsu Goto, Yuji Fujita, Wataru Souma
- Organizer
  24th Annual Workshop on Economic Science with Heterogeneous Interacting Agents (WEHIA2019), London,UK
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] The structure and evolution of the Japanese production network2019
- Author(s)
  Hiromitsu Goto, Yuji Fujita, Wataru Souma
- Organizer
  Conference on Complex Systems 2019, Singapore
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] 大規模複雑有向ネットワークにおける流れ構造分析ツール(FALCON)の開発2019
- Author(s)
  吉川悠一, 飯野隆史, 家富洋, 藤田裕二, 相馬亘, 藤原義久
- Organizer
  日本物理学会2019年秋季大会，岐阜大学, 岐阜市
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] The structure and evolution of Japanese production network2019
- Author(s)
  Hiromitsu Goto, Yuji Fujita, Wataru Souma
- Organizer
  RIETI Workshop: Dynamics in Finance and Economy on economic networks,Research Institute of Economy, Trade and Industry (RIETI), 東京
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Application of Machine Learning to the Creation of Macro-sentiment Index2018
- Author(s)
  W. Souma, I. Vodenska, H. Aoyama, H. Iyetomi, Y. Fujiwara
- Organizer
  23rd Annual Workshop on Economic Science with Heterogeneous Interacting Agents (WEHIA2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Enhanced news sentiment analysis using deep learning methods2018
- Author(s)
  W. Souma, I. Vodenska, H. Aoyama
- Organizer
  The 21st International Conference on Principles and Practice of Multi-Agent Systems (PRIMA2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Enhanced news sentiment analysis using deep learning methods2018
- Author(s)
  W. Souma, I. Vodenska, H. Aoyama
- Organizer
  International conference on "Network Science in Economics and Finance
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Minimum Model of Japanese Production Networks2018
- Author(s)
  H. Goto, W. Souma
- Organizer
  International Conference on Big data in Economics, Science, and Technology (BEST 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] 企業生産ネットワーク上の確率モデルによる経済シミュレーションの実用性について2018
- Author(s)
  後藤弘光、相馬亘、藤田裕二
- Organizer
  金融・経済ネットワーク研究会
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Macroscopic features of production network and sequential graph drawing2018
- Author(s)
  Y. Fujita, Y. Fujiwara, W. Souma
- Organizer
  International Conference on Big data in Economics, Science, and Technology (BEST 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] ネットワーク上の確率モデルはミクロとマクロを同時に再現できるか？2018
- Author(s)
  後藤弘光、相馬亘
- Organizer
  JWEIN & NetEco2018
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] 企業生産ネットワーク上の確率モデルによる経済シミュレーションの実用性について2018
- Author(s)
  後藤弘光、相馬亘、藤田裕二
- Organizer
  ネットワーク科学セミナー
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Practicality evaluation of stochastic model on networks for the real economy simulation2018
- Author(s)
  H. Goto, W. Souma, Y. Fujita
- Organizer
  The 21st International Conference on Principles and Practice of Multi-Agent Systems (PRIMA2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Application of deep learning to the sentiment analysis in economy2018
- Author(s)
  W. Souma, I. Vodenska, H. Aoyama, H. Iyetomi, Y. Fujiwara
- Organizer
  International Conference on Big data in Economics, Science, and Technology (BEST 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] 金融危機の早期警戒指標のリード・ラグ関係2017
- Author(s)
  相馬亘, 家富洋, 吉川洋
- Organizer
  経済物理学2017, 京都大学
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Application of Complex Hilbert Principal Component Analysis to Financial Data2017
- Author(s)
  Wataru Souma, Hiroshi Iyetomi, Hiroshi Yoshikawa
- Organizer
  The international workshop on economy as complex system IV
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Bow-tie shape economic network2017
- Author(s)
  藤田裕二, 藤原義久, 相馬亘
- Organizer
  経済物理学2017, 京都大学
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Study of early warning indicators of financial crisis2017
- Author(s)
  Wataru Souma, Hiroshi Iyetomi, Hiroshi Yoshikawa
- Organizer
  The IEEE COMPSAC 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Anticipating financial crises: elucidation of lead- lag structure of early warning indicators2017
- Author(s)
  Wataru Souma, Hiroshi Iyetomi, Hiroshi Yoshikawa
- Organizer
  The 22st Annual Workshop on the Economic Science with Heterogeneous Interacting Agents (WEHIA)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H02041
[Presentation] Application of CPCA and RRS to cross correlations of stocks listed on the NYSE2015
- Author(s)
  Wataru Souma
- Organizer
  International Conference on Big Data in Economics, Science and Technology (BEST2015)
- Place of Presentation
  Ohrid (Macedonia)
- Year and Date
  2015-07-20
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25400393
[Presentation] 株価の双対解析2015
- Author(s)
  相馬亘
- Organizer
  京都大学基礎物理学研究所2015年度後期研究会「経済物理学2015: 新たな方向性を求めて」
- Place of Presentation
  京都大学（京都府，京都市）
- Year and Date
  2015-12-03
- Data Source
  KAKENHI-PROJECT-25400393
[Presentation] Visualizing large-scale structure of a million-firms economic network2015
- Author(s)
  Y. Fujita, Y. Fujiwara, W. Souma
- Organizer
  The 8th ACM SIGGRAPH Conference and Exhibition on Computer Graphics and Interactive Techniques in Asia
- Place of Presentation
  神戸国際会議場，神戸市, 兵庫県
- Year and Date
  2015-11-03
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25282094
[Presentation] Revisiting Citation Dynamics2012
- Author(s)
  W. Souma
- Organizer
  International Workshop on Econophysics of Agent-based Models
- Place of Presentation
  Saha Institute of Nuclear Physics (インド)
- Data Source
  KAKENHI-PROJECT-22300080
[Presentation] Revisiting Citation Dynamics2012
- Author(s)
  W. Souma
- Organizer
  International Workshop on Econophysics of Agent-based Models (Econophys-Kolkata VII)
- Place of Presentation
  Saha Institute of Nuclear Physics (インド)
- Invited
- Data Source
  KAKENHI-PROJECT-22300080
[Presentation] スケールフリーネットワークとページランク2011
- Author(s)
  相馬亘
- Organizer
  京都大学基礎物理学研究所2011年度研究会「経済物理学2011 : The Hitchhiker's Guide to the Economy」
- Place of Presentation
  京都
- Year and Date
  2011-07-15
- Data Source
  KAKENHI-PROJECT-22300080
[Presentation] Analysis of Labor Productivity using Large-scale Data of Firm's Financial Statement2009
- Author(s)
  Y. Ikeda, W. Souma, H. Aoyama, Y. Fujiwara, H. Iyetomi
- Organizer
  Applications of Physics in Financial Analysis 7th International Conference
- Place of Presentation
  東京(東京工業大学)
- Year and Date
  2009-03-02
- Data Source
  KAKENHI-PROJECT-20330060
[Presentation] Superstatistics of Labor Productivity in Manufacturing and Nonmanufacturing Sectors2009
- Author(s)
  池田裕一, 相馬亘, 青山秀明, 藤原義久, 家富洋
- Organizer
  Applications of Physics in Financial Analysis 7th International Conference
- Place of Presentation
  Tokyo Institute of Technology, Tokyo.
- Year and Date
  2009-03-02
- Data Source
  KAKENHI-PROJECT-20330060
[Presentation] 大規模企業データを用いた労働生産性の解析2008
- Author(s)
  池田裕一・青山秀明・相馬亘・藤原義久・家富洋
- Organizer
  日本物理学会2008年秋季大会
- Place of Presentation
  盛岡(岩手大学)
- Year and Date
  2008-09-23
- Data Source
  KAKENHI-PROJECT-20330060
[Presentation] Analysis of Citation Networks
- Author(s)
  Wataru Souma
- Organizer
  International Conference on Financial Networks and Systemic Risk Analysis
- Place of Presentation
  京都大学（京都府，京都市）
- Year and Date
  2013-07-17 – 2013-07-19
- Data Source
  KAKENHI-PROJECT-24243027
[Presentation] 日本知図の開発
- Author(s)
  相馬亘
- Organizer
  日本行動計量学会第40回大会
- Place of Presentation
  新潟県立大学（新潟県）
- Invited
- Data Source
  KAKENHI-PROJECT-22300080
[Presentation] Network of Business, Knowledge, and Innovation
- Author(s)
  Wataru Souma
- Organizer
  Tokyo Network Workshop
- Place of Presentation
  東京大学（東京都，文京区）
- Year and Date
  2013-09-17 – 2013-09-18
- Invited
- Data Source
  KAKENHI-PROJECT-24243027
[Presentation] Principal part of the time correlation of stock prices
- Author(s)
  Wataru Souma
- Organizer
  Hawaiian International Workshop on Big Data and Macroeconomics 2014
- Place of Presentation
  Wailea (U.S.A.)
- Year and Date
  2014-08-22 – 2014-08-24
- Data Source
  KAKENHI-PROJECT-25400393

1. IYETOMI Hiroshi (20168090)

# of Collaborated Projects: 9 results

# of Collaborated Products: 50 results
2. FUJIWARA Yoshihisa (50358892)

# of Collaborated Projects: 7 results

# of Collaborated Products: 40 results
3. AOYAMA Hideaki (40202501)

# of Collaborated Projects: 7 results

# of Collaborated Products: 40 results
4. IKEDA Yuichi (90610858)

# of Collaborated Projects: 5 results

# of Collaborated Products: 4 results
5. INOUE Hiroyasu (60418499)

# of Collaborated Projects: 4 results

# of Collaborated Products: 7 results
6. YOSHIKAWA Hiroshi (30158414)

# of Collaborated Projects: 4 results

# of Collaborated Products: 2 results
7. TAMADA Schumpeter (60312790)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
8. FUJITA Masahisa (90281112)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. KANAMITSU Jun (60414075)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. WATANABE Tsutomu (90313444)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
11. 木村真 (50419959)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 中村知道 (50615789)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 島伸一郎 (70415983)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 眞鍋雅史 (20537071)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 佐藤哲也 (80025395)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 荒田禎之 (40756764)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 後藤弘光 (60868610)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
18. Vodenska Irena

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. Mantegna Rosario

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. Gallegati Mauro

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results

SOUMA Wataru 相馬 亘

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[Book] Macro-Econophysics : New Studies on Economic Networs and Synchronization2017

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[Book] Macro-Econophysics: New Studies on Economic Networks and Synchronization2017

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[Book] Buyer-Supplier Networks and Aggregate Volatility in "The Economics of Interfirm Networks"2015

Author(s)

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[Book] 「イノベーション政策の科学：SBIRの評価と未来産業の創造」第12章 日本のクラスター政策2015

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[Book] 50のキーワードで読み解く経済学教室2011

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Total Pages

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Data Source

[Book] Econophysics and Companies : Statistical Life and Death in Complex Business Networks2010

Author(s)

SOUMA Wataru 相馬亘

[Book] 「イノベーション政策の科学：SBIRの評価と未来産業の創造」第12章日本のクラスター政策2015

[Book] SGC-65臨時別冊・数理科学ネットワーク科学への招待2008