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SOUMA Wataru  相馬 亘

ORCIDConnect your ORCID iD *help
Researcher Number 50395117
Other IDs
Affiliation (Current) 2025: 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 – 2023: 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 / 特別給付金の効果 / コロナ禍の家計への影響 / 家計の日次変動と相関
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 … More / complex network / financial crisis / 複雑系ネットワーク / 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 / サイクル基底 / 社会的分断 / Helmholtz--Hodge分解 / 蝶ネクタイ構造 / 政治的対立 / ワクチン接種 / 強連結成分 / コミュニティー抽出 / 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
  • Research Projects

    (10 results)
  • Research Products

    (128 results)
  • Co-Researchers

    (20 People)
  •  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 – 2024
    • 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
      Fujiwara Yoshi
    • 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

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 Other

All Journal Article Presentation Book

  • [Book] New Insights on Principal Component Analysis2024

    • Author(s)
      Wataru Souma(分担執筆)
    • Total Pages
      164
    • Publisher
      IntechOpen
    • ISBN
      9780854662661
    • Data Source
      KAKENHI-PROJECT-22K04590
  • [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] The Coexistence of Infection Spread Patterns in the Global Dynamics of COVID-19 Dissemination2024

    • Author(s)
      Hiroyasu Inoue, Wataru Souma, Yoshi Fujiwara
    • Journal Title

      SSRN

      Volume: 4681311 Pages: 1-45

    • Data Source
      KAKENHI-PROJECT-22K04590
  • [Journal Article] Formation and Development of Echo Chambers on Twitter under the Pandemic2023

    • Author(s)
      H. Iyetomi and W. Souma
    • Journal Title

      In: H. Cherifi et al. (eds.), Book of Abstracts -- The 11th International Conference on Complex Networks and their Applications, ISBN: 978-2-9557050-6-3

      Volume: -- Pages: 429-431

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K03385
  • [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] Similarity and Connectivity of Industrial Networks of Japanese Prefecture Based on Firm-level Data2022

    • Author(s)
      Hiromitsu Goto, Wataru Souma
    • Journal Title

      RIETI Discussion Paper Series

      Volume: 22-E-092

    • Open Access
    • 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] コロナ禍におけるエコーチェンバーの形成と変容: リツイートネットワークの解析2023

    • Author(s)
      家富洋,相馬亘
    • Organizer
      明治大学MIMS共同研究集会「社会物理学とその周辺」
    • Data Source
      KAKENHI-PROJECT-21K03385
  • [Presentation] SNSにおけるエコーチェンバーの形成・成長過程: 新型コロナワクチン接種の賛否2023

    • Author(s)
      家富洋,相馬亘
    • Organizer
      日本物理学会第78回年次大会
    • Data Source
      KAKENHI-PROJECT-21K03385
  • [Presentation] SNSネットワークの蝶ネクタイ構造2023

    • 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] Multilayer Network analysis for Industrial Supply Chains of Japanese Prefecture2022

    • Author(s)
      Hiromitsu Goto, Wataru Souma
    • Organizer
      The B.E.S.T. Conference 2022
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H02391
  • [Presentation] 新型コロナウイルスワクチン接種の賛否動向:リツイートネットワーク解析2022

    • 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] Multilayer Network analysis for Industrial Supply Chains of Japanese Prefecture2022

    • Author(s)
      Hiromitsu Goto, Wataru Souma
    • Organizer
      Blockchain Kaigi 2022
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H02391
  • [Presentation] Formation and Development of Echo Chambers on Twitter under the Pandemic2022

    • Author(s)
      H. Iyetomi and W. Souma
    • Organizer
      The 11th International Workshop on Complex Networks and Their Applications (Complex Networks 2022)
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-21K03385
  • [Presentation] Topological Similarity of Prefectures in Japan based on Firm-level Supply Chain Analysis2022

    • Author(s)
      Hiromitsu Goto, Wataru Souma
    • Organizer
      NetSci 2022
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-20H02391
  • [Presentation] コロナ禍におけるエコーチェンバーの形成:リツイートネットワークの解析2022

    • Author(s)
      家富洋,相馬亘
    • Organizer
      日本物理学会2022年秋季大会
    • Data Source
      KAKENHI-PROJECT-21K03385
  • [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: 57 results
  • 2.  FUJIWARA Yoshihisa (50358892)
    # of Collaborated Projects: 7 results
    # of Collaborated Products: 41 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: 8 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

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