Okamoto Hiroshi 岡本洋

… Alternative Names

OKAMOTO Hiroshi 岡本洋

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Researcher Number	00374067
Other IDs
Affiliation (Current)	2025: 東京大学, 大学院工学系研究科(工学部), 特任研究員 2025: 玉川大学, 工学研究科, 非常勤講師
Affiliation (based on the past Project Information) *help	2019 – 2024: 東京大学, 大学院工学系研究科(工学部), 特任研究員 2019: 東京大学, 大学院工学系研究科, 非常勤特任研究員 2018: 国立研究開発法人理化学研究所, 脳神経科学研究センター, 客員研究員 2015 – 2017: 国立研究開発法人理化学研究所, 脳科学総合研究センター, 客員研究員 2013 – 2014: 独立行政法人理化学研究所, 脳科学総合研究センター, 客員研究員 … More 2013: 独立行政法人理化学研究所, 脳回路機能理論研究チーム, 研究員 2012: 独立行政法人理化学研究所, その他部局等, 研究員 2008 – 2012: The Institute of Physical and Chemical Research, 脳回路機能理論研究チーム, 客員研究員 2011: 独立行政法人理化学研究所, 脳回路機能理論研究チーム, 研究員 2006: RIKEN Brain Science Institute, Neural Circuit Theory, 脳回路機能理論研究チーム, 客員研究員 2005: 富士ゼロックス株式会社研究本部中央研究所, 副主任研究員 2004: 富士ゼロックス株式会社, 研究本部・中央研究所, 副主任研究員 Less
Review Section/Research Field	Principal Investigator Bioinformatics/Life informatics / Basic Section 62020:Web informatics and service informatics-related / Basic Section 62010:Life, health and medical informatics-related / Life / Health / Medical informatics Except Principal Investigator Medium-sized Section 61:Human informatics and related fields / Basic Section 06010:Politics-related / Intelligent informatics / Basic Section 61030:Intelligent informatics-related / Intelligent informatics
Keywords	Principal Investigator 複雑ネットワーク / コミュニティ / 階層構造 / マルコフ連鎖 / コネクトーム / ネットワーク / セルアセンブリ / モジュール / 意思決定 / 漸次的持続活性 … More / 双安定 / 連続アトラクター / 確率過程 / 時間積分 / 同盟ネットワーク / サプライチェーン / コミュニティ構造 / 脳情報処理様式 / 複雑ネットワーク科学 / 深層ニューラルネットワーク / べき分布 / 階層性 / 重なり / 安定性 / 自動決定 / クラスタ数 / 背側経路 / 腹側経路 / 視覚野 / 機能モジュール / EMアルゴリズム / テンポラルコミュニティ / テンポラルネットワーク / ノンパラメトリッククラスタリング / 二部グラフ / 階層クラスタリング / 全脳ネットワーク / リバースエンジニアリング / 全脳アーキテクチャ / 機械学習 / ランダムウォーク / Citation / Complex network / Information retrieval / Brain computing / Temporal integration / Decision making / Continuous attractor / Graded persistent activity / 帯状皮質 / 概念検索 / 漸次的活性 / 関連文書群抽出 / スケールフリー / 脳型アルゴリズム / 人脈 / 連想記憶 / 力学系 / ニューロン / 引用関係 / 情報読み出し / 脳型情報処理アルゴリズム / ウェーバー則 / モデル / タイミング / ヒューマンコンピュータインタラクション / 神経機構 / ウェーバーの法則 / ヒックの法則 / 皮質回路 / 決定時間 / 多肢択一 / 経路積分 / ベイズ / 準安定 / 揺らぎ / 引用ネットワーク / 記憶想起 / 隣接行列 / 時系列 / ヒステリシス / ニューラルネットワーク / ベイズ推定 / 時系列想起 / 脳型記憶想起 … More Except Principal Investigator データマイニング / 機械学習 / クラスタリング / アルゴリズム / 木 / 心理実験 / 連想ネットワーク / 圏代数 / 不定自然変換理論 / 階層性 / ページランク / マルコフ連鎖 / 自然変換 / 圏論 / 類推推論 / 政治学方法論 / 選挙予測 / 政治予測 / パターン抽出 / 距離 / 分類 / 教師あり学習 / 半構造化データ / データの類似性 / 編集距離 / カーネル / 人工知能 / 話題抽出 / 自然災害 / Twitter / 話題の多様性 / 時系列話題分析 / ビックデータ解析 / 話題多様性 / デマ発見 / 時系列話題解析 / 多様性 / 2段階クラスタリング / マイクロクラスタリング / 時系列解析 / ビッグデータ解析 / テキストマイニング / ソーシャルメディア解析 / 離散構造データ解析 / 木構造データ / グラフ / 離散構造 / 動的計画法 / カーネル法 / 構造化データ Less

Developing political prediction models using explainable AI (XAI)
- Principal Investigator
  
  加藤創太
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 06010:Politics-related
- Research Institution
  International University of Japan
New horizon of network analysis: application to supply chain management and international relations theoryPrincipal Investigator
- Principal Investigator
  
  岡本洋
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 62020:Web informatics and service informatics-related
- Research Institution
  The University of Tokyo
Hierarchical structure of knowledge networks and hierarchical analogical reasoning
- Principal Investigator
  
  高橋達二
- Project Period (FY)
  2023 – 2024
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 61:Human informatics and related fields
- Research Institution
  Tokyo Denki University
Reverse Engineering of Connectome: Elucidating Brain Information Processing Architecture by Network AnalysisPrincipal Investigator
- Principal Investigator
  
  OKAMOTO HIROSHI
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 62010:Life, health and medical informatics-related
- Research Institution
  The University of Tokyo
Topic Transition Analysis from Millions of Tweets After Severe Disasters
- Principal Investigator
  
  Hashimoto Takako
- Project Period (FY)
  2018 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 61030:Intelligent informatics-related
- Research Institution
  Chiba University of Commerce
Construction of Machine Learning Computing Base and Creation of Remarkable Contributions in Multiple Research Fields
- Principal Investigator
  
  Shin Kilho
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Intelligent informatics
- Research Institution
  Gakushuin University
  University of Hyogo
Whole brain network analysisPrincipal Investigator
- Principal Investigator
  
  Okamoto Hiroshi
- Project Period (FY)
  2015 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Life / Health / Medical informatics
- Research Institution
  Institute of Physical and Chemical Research
A study on positive-definite and efficient kernels for structured data
- Principal Investigator
  
  SHIN Yoshihiro
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  University of Hyogo
Common neural basis of Weber's law and Hick's lawPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Hiroshi
- Project Period (FY)
  2011 – 2014
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Bioinformatics/Life informatics
- Research Institution
  The Institute of Physical and Chemical Research
Spatiotemporally organized retrieval of information inspired by the neural mechanism of mental processesPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Hiroshi
- Project Period (FY)
  2008 – 2010
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Bioinformatics/Life informatics
- Research Institution
  The Institute of Physical and Chemical Research
Information retrieval by a neural-network system with continuous attractorsPrincipal Investigator
- Principal Investigator
  
  OKAMOTO Hiroshi
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Bioinformatics/Life informatics
- Research Institution
  RIKEN
  富士ゼロックス株式会社研究本部

[Journal Article] 企業ネットワークの動的メゾスコピック構造2023
- Author(s)
  山野泰子、岡本洋、坂田一郎
- Journal Title
  
  Journal of the Japanese Society for Artificial Intelligence
  
  Volume: 38 Issue: 2 Pages: 117-124
- DOI
  10.11517/jjsai.38.2_117
- ISSN
  2188-2266, 2435-8614
- Year and Date
  2023-03-01
- Language
  Japanese
- Data Source
  KAKENHI-PROJECT-20K12060
[Journal Article] Testing the power-law hypothesis of the interconflict interval2023
- Author(s)
  Okamoto Hiroshi、Yoshimoto Iku、Kato Sota、Ahsan Budrul、Shinohara Shuji
- Journal Title
  
  Scientific Reports
  
  Volume: 13 Issue: 1 Pages: 22686-22686
- DOI
  10.1038/s41598-023-50002-w
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K12009, KAKENHI-PROJECT-20K12060
[Journal Article] Detecting hierarchical organization of pervasive communities by modular decomposition of Markov chain2022
- Author(s)
  Okamoto Hiroshi、Qiu Xule
- Journal Title
  
  Scientific Reports
  
  Volume: 12 Issue: 1 Pages: 20211-20211
- DOI
  10.1038/s41598-022-24567-x
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K12060
[Journal Article] Simulation of foraging behavior using a decision-making agent with Bayesian and inverse Bayesian inference: Temporal correlations and power laws in displacement patterns2022
- Author(s)
  Shinohara Shuji、Okamoto Hiroshi、Manome Nobuhito、Gunji Pegio-Yukio、Nakajima Yoshihiro、Moriyama Toru、Chung Ung-il
- Journal Title
  
  Chaos, Solitons & Fractals
  
  Volume: 157 Pages: 111976-111976
- DOI
  10.1016/j.chaos.2022.111976
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K01692, KAKENHI-PROJECT-18K18478, KAKENHI-PROJECT-20K12060, KAKENHI-PROJECT-21K12009, KAKENHI-PROJECT-22K12231
[Journal Article] A new method of Bayesian causal inference in non-stationary environments2020
- Author(s)
  Shinohara Shuji、Manome Nobuhito、Suzuki Kouta、Chung Ung-il、Takahashi Tatsuji、Okamoto Hiroshi、Gunji Yukio Pegio、Nakajima Yoshihiro、Mitsuyoshi Shunji
- Journal Title
  
  PLOS ONE
  
  Volume: 15 Issue: 5 Pages: e0233559-e0233559
- DOI
  10.1371/journal.pone.0233559
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K01692, KAKENHI-PROJECT-20K12060, KAKENHI-PROJECT-18K18478, KAKENHI-PROJECT-20H04259
[Journal Article] Relation prediction in knowledge graph by Multi-Label Deep Neural Network2019
- Author(s)
  Onuki, Y., Murata, T., Nukui, S., Inagi, S., Qiu, X.-L., Watanabe, M., Okamoto, H.
- Journal Title
  
  Applied Network Science
  
  Volume: 4 Issue: 1
- DOI
  10.1007/s41109-019-0133-4
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-15K00418
[Journal Article] Topic extraction from millions of tweets based on community detection in bipartite networks2018
- Author(s)
  Takako Hashimoto, Tetsuji Kuboyama, and Hiroshi Okamoto,
- Journal Title
  
  nformation Modelling and Knowledge Bases
  
  Volume: XXIX 301 Pages: 395-395
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K11443
[Journal Article] 全脳ネットワーク分析：コネクトームのリバースエンジニアリング2017
- Author(s)
  岡本洋
- Journal Title
  
  人工知能
  
  Volume: 32 Pages: 836-844
- NAID
  130007917378
- Data Source
  KAKENHI-PROJECT-15K00418
[Journal Article] Topic Extraction on Twitter Considering Author’s Role Based on Bipartite Networks2017
- Author(s)
  Hashimoto, T., Kuboyama, T., Okamoto, H. & Shin K.
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 10558 Pages: 239-247
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Journal Article] Topic Extraction from Millions of Tweets Based on Community Detection in Bipartite Networks2017
- Author(s)
  Takako Hashimoto, Tetsuji Kuboyama, Hiroshi Okamoto, Kilho Shin
- Journal Title
  
  Information Modelling and Knowledge Bases XXIX
  
  Volume: 301 Pages: 395-408
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17H00762
[Journal Article] Predicting Relations Between RDF Entities by Deep Neural Network2017
- Author(s)
  Tsuyoshi, M., Onuki, Y., Nukui,S., Inagi, S., Qiu, Xu-le, Watanabe, M. & Okamoto, H.
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 10577 Pages: 343-354
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Journal Article] Local community detection as pattern restoration by attractor dynamics of recurrent neural networks2016
- Author(s)
  Okamoto, H.
- Journal Title
  
  BioSystems
  
  Volume: TBD Pages: 85-90
- DOI
  10.1016/j.biosystems.2016.03.006
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Journal Article] 全脳ネットワーク分析：複雑ネットワーク科学とコネクトームとの融合から全脳アーキテクチャにせまる2016
- Author(s)
  岡本洋
- Journal Title
  
  知能と情報（日本知能情報ファジィ学会誌）
  
  Volume: 28
- NAID
  130006707907
- Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-15K00418
[Journal Article] コネクトーム・複雑ネットワーク科学・全脳ネットワーク分析2015
- Author(s)
  岡本洋
- Journal Title
  
  知能と情報（知能情報ファジィ学会誌）
  
  Volume: 27
- Data Source
  KAKENHI-PROJECT-23500379
[Journal Article] Community Detection as Pattern Restoration by Attractor Neural-Network Dynamics2015
- Author(s)
  Okamoto, H.
- Journal Title
  
  Lecture Notes in Computer Science (Springer)
  
  Volume: 9303 Pages: 197-207
- DOI
  10.1007/978-3-319-23108-2_17
- ISBN
  9783319231075, 9783319231082
- Peer Reviewed / Acknowledgement Compliant / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Journal Article] Local Detection of Communities by Attractor Neural-Network Dynamics2014
- Author(s)
  Hiroshi Okamoto
- Journal Title
  
  Artificial Neural Networks Springer Series in Bio-/Neuroinformatics
  
  Volume: 4 Pages: 115-125
- DOI
  10.1007/978-3-319-09903-3_6
- ISBN
  9783319099026, 9783319099033
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-23500379
[Journal Article] Extracting Communities from Citation Networks of Patents: Application of the Brain-Inspired Mechanism of Information Retrieval2014
- Author(s)
  Hiroshi Okamoto
- Journal Title
  
  Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering
  
  Volume: 134 Pages: 269-282
- DOI
  10.1007/978-3-319-06944-9_19
- ISBN
  9783319069432, 9783319069449
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-23500379
[Journal Article] Local detection of communities by an analogy to memory recall in the brain2013
- Author(s)
  Hiroshi Okamoto
- Journal Title
  
  Biologically Inspired Cognitive Architectures (Elsevier)
  
  Volume: 6 Pages: 12-17
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500379
[Journal Article] Local Detection of Communities by Neural-Network Dynamics2013
- Author(s)
  Hiroshi Okamoto
- Journal Title
  
  Lecture Notes in Computer Science (Springer)
  
  Volume: 8131 Pages: 50-57
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500379
[Journal Article] Extracting Tailored Protein Complexes from Protein-Protein Interaction Networks2012
- Author(s)
  Hiroshi Okamoto
- Journal Title
  
  Lecture Notes in Computer Science (LNCS)
  
  Volume: 7223 Pages: 250-263
- DOI
  10.1007/978-3-642-28792-3_30
- ISBN
  9783642287916, 9783642287923
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500379
[Journal Article] Topic-Dependent Document Ranking:Citation Network Analysis by Analogy to Memory Retrieval in the Brain2011
- Author(s)
  Hiroshi Okamoto
- Journal Title
  
  Lecture Notes in Computer Science (LNCS)
  
  Volume: 6791 Pages: 371-378
- DOI
  10.1007/978-3-642-21735-7_46
- ISBN
  9783642217340, 9783642217357
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500379
[Journal Article] Topic-Dependent Document Ranking : Citation Network Analysis by Analogy to Memory Retrieval in the Brain.2011
- Author(s)
  Okamoto H.
- Journal Title
  
  LNCS 6791
  
  Pages: 371-378
- Data Source
  KAKENHI-PROJECT-20500279
[Journal Article] Information extraction by neural-network dynamics with multi-hysteretic neurons.2009
- Author(s)
  Tsuboshita Y., Okamoto H.
- Journal Title
  
  Neural Networks Vol.22
  
  Pages: 922-930
- Data Source
  KAKENHI-PROJECT-20500279
[Journal Article] Recurrent network models for perfect temporal integration of fluctuating correlated inputs.2009
- Author(s)
  Okamoto H., Fukai T.
- Journal Title
  
  PLoS Computational Biology Vol.5
- Data Source
  KAKENHI-PROJECT-20500279
[Journal Article] Information extraction by neural-network dynamics with multi-hysteretic neurons2009
- Author(s)
  Tsuboshita, Y., Okamoto, H.
- Journal Title
  
  Neural Networks 22
  
  Pages: 922-930
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500279
[Journal Article] Recurrent network models for perfect temporal integration of fluctuating correlated inputs2009
- Author(s)
  Okamoto, H., Fukai, T.
- Journal Title
  
  PLoS Computational Biology 5
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20500279
[Journal Article] Context-dependent retrieval of information by neural-network dynamics with continuous attractors2007
- Author(s)
  Tsuboshita, Y, Okamoto, H.
- Journal Title
  
  Neural Networks (in press)
- NAID
  10019850650
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Temporal integration by stochastic recurrent network dynamics with bimodal neurons2007
- Author(s)
  Okamoto, H., Isomura, Y., Takada, M., Fukai, T.
- Journal Title
  
  Journal of neurophysiology (in press)
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Computation algorithms and neuronal network models underlying decision processes2006
- Author(s)
  Sakai, Y., Okamoto, H., Fukai, T.
- Journal Title
  
  Neural Networks 19
  
  Pages: 1091-1105
- NAID
  10018337352
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Computation algorithms and neuronal network models underlying decision processes2006
- Author(s)
  Sakai, Y., Okamoto, H., Fukai
- Journal Title
  
  Neural Networks 19
  
  Pages: 1091-1091
- NAID
  10018337352
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Computation algorithms and neuronal network models underlying decision processes2006
- Author(s)
  Sakai Y., Okamoto H., Fukai T.
- Journal Title
  
  Neural networks 19
  
  Pages: 1091-1105
- NAID
  10018337352
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Combined modeling an extracellular recording studies of up and down transitions of neurons in awake or behaving monkeys2005
- Author(s)
  Okamoto, H., Isomura, Y., Takada, M., Fukai, T.
- Journal Title
  
  Advances in Behavioral Biology 56
  
  Pages: 555-561
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Information Retrieval Based on a Neural-Network System with Multi-stable Neurons2005
- Author(s)
  Tsuboshita, Y., Okamoto, H.
- Journal Title
  
  Lecture Note in Computer Science 3697
  
  Pages: 865-872
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Information Retrieval Based on a Neural-Network System with Multi-stable Neurons2005
- Author(s)
  Tsuboshita Y., Okamoto H.
- Journal Title
  
  Lecture Note in Computer Science 3697
  
  Pages: 865-872
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] 漸次的持続活性の神経生理学的および計算論的知見が開く連想記憶の新しい地平2005
- Author(s)
  岡本洋, 坪下幸寛, 深井朋樹
- Journal Title
  
  日本神経回路学会誌 12
- NAID
  10017096335
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Combined modeling an extracellular recording studies of up and down transitions of neurons in awake or behaving monkeys2005
- Author(s)
  Okamoto H., Isomura Y., Takada M., Fukai T.
- Journal Title
  
  Advances in Behavioral Biology 56
  
  Pages: 555-561
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Information Retrieval Based on a Neural-Network System with Multi-stable Neurons2005
- Author(s)
  Tsuboshita, Y., Okamoto H.
- Journal Title
  
  Lecture Note in Computer Science 3697
  
  Pages: 865-872
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Propagation of quasi-stable activation in a chain of recurrent neural networks2004
- Author(s)
  Okamoto, H., Fukai, T.
- Journal Title
  
  Neurocomputing 58-60
  
  Pages: 235-238
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Context-dependent retrieval of information by neural-network dynamics with continuous attractors
- Author(s)
  Tsuboshita Y., Okamoto H.
- Journal Title
  
  Neural networks (in press)
- NAID
  10019850650
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Journal Article] Temporal integration by stochastic recurrent network dynamics with bimodal neurons
- Author(s)
  Okamoto H., Isomura Y., Takada M., Fukai T.
- Journal Title
  
  Journal of neurophysiology (in press)
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16500190
[Patent] データ分析装置、コンピュータの制御方法及びプログラム2006
- Inventor(s)
  岡本洋, 坪下幸寛
- Industrial Property Rights Holder
  富士ゼロックス株式会社
- Industrial Property Number
  2006-024297
- Filing Date
  2006-02-01
- Data Source
  KAKENHI-PROJECT-16500190
[Patent] ドキュメントデータ分析装置2006
- Inventor(s)
  岡本洋, 坪下幸寛
- Industrial Property Rights Holder
  富士ゼロックス株式会社
- Industrial Property Number
  2006-060124
- Filing Date
  2006-03-06
- Data Source
  KAKENHI-PROJECT-16500190
[Patent] データ分析装置2005
- Inventor(s)
  坪下幸寛, 岡本洋
- Industrial Property Rights Holder
  富士ゼロックス株式会社
- Industrial Property Number
  2005-054502
- Filing Date
  2005-02-28
- Data Source
  KAKENHI-PROJECT-16500190
[Patent] データ分析装置2005
- Inventor(s)
  岡本洋, 坪下幸寛
- Industrial Property Rights Holder
  富士ゼロックス株式会社
- Industrial Property Number
  2005-044725
- Filing Date
  2005-02-21
- Data Source
  KAKENHI-PROJECT-16500190
[Patent] リンク関係表示装置、リンク関係表示装置の制御方法及びプログラム2005
- Inventor(s)
  坪下幸寛, 岡本洋
- Industrial Property Rights Holder
  富士ゼロックス株式会社
- Industrial Property Number
  2005-333039
- Filing Date
  2005-11-17
- Data Source
  KAKENHI-PROJECT-16500190
[Patent] データ分析装置2004
- Inventor(s)
  岡本洋, 坪下幸寛
- Industrial Property Rights Holder
  富士ゼロックス株式会社
- Industrial Property Number
  2004-318884
- Filing Date
  2004-11-02
- Data Source
  KAKENHI-PROJECT-16500190
[Presentation] A power law approach to predicting international conflicts: Lewis Fry Richardson revisited2023
- Author(s)
  Hiroshi Okamoto, Budrul Ahsan, Yu Minematsu, Iku Yoshimoto, Sota Kato,
- Organizer
  The 81th Annual Midwest Political Science Conference (MPSA2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K12060
[Presentation] To be existent is to be stable: detecting the optimal number of communities2023
- Author(s)
  Hiroshi Okamoto
- Organizer
  The 12th International Conference on Complex Networks and Their Applications (Complex Networks 2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K12060
[Presentation] To be existent is to be stable: automatic determination of the number of communities2023
- Author(s)
  Hiroshi Okamoto
- Organizer
  International School and Conference on Network Science (NetSci2023)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K12060
[Presentation] マウス視覚野高解像コネクトームにおけるコミュニティ構造：腹側および背側経路2022
- Author(s)
  岡本洋，鈴木雄大
- Organizer
  第17回ネットワーク生態学シンポジウム
- Data Source
  KAKENHI-PROJECT-20K12060
[Presentation] Testing the Power-Law Hypothesis of Inter-Conflict Intervals2022
- Author(s)
  Hiroshi Okamoto, Iku Yoshimoto, Sota Kato, Budrul Ahsan,
- Organizer
  The 80th Annual Midwest Political Science Conference (MPSA2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K12060
[Presentation] A Power-Law Approach to Occurrence Prediction of Political Events2021
- Author(s)
  Hiroshi Okamoto, Budrul Ahsan, Sota Kato
- Organizer
  117th American Political Science Association’s Annual Meeting & Exhibition
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K12060
[Presentation] Connectome informatics: Reverse engineering of whole brain networks2018
- Author(s)
  Okamoto, H., Suzuki, Y., Hayami, T., Negishi, S., Tamaru, H., Mizutani, H., Yamakawa, H.
- Organizer
  Advances in Neuroinformatics 2018 (https://www.neuroinf.jp/aini2018/)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] Community detection by modular decomposition of random walk2018
- Author(s)
  Okamoto, H., Qiu, X.-L.
- Organizer
  Complex network Science (Dec 11-13 2018, Cambridge, U.K.)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] Predicting relations of embedded RDF entities by Deep Neural Network2017
- Author(s)
  Onuki, Y., Tsuyoshi, M., Nukui, S., Inagi, S., Qiu, Xu-le, Watanabe, M. & Okamoto, H.
- Organizer
  The 16th International Semantic Web Conference (ISWC 2017), Poster
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] Topic Extraction from Millions of Tweets Based on Community Detection in Bipartite Networks2017
- Author(s)
  Hashimoto, T., Kuboyama, T., Okamoto, H. & Shin, K.
- Organizer
  The 27th International Conference on Information Modelling and Knowledge Bases (EJC 2017, Krabi, Thailand)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] Topic life cycle extraction from big Twitter data based on community detection in bipartite networks2017
- Author(s)
  Takako Hashimoto, Hiroshi Okamoto, Tetsuji Kuboyama, Kilho Shin:
- Organizer
  BigData　2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H00762
[Presentation] Topic Extraction from Millions of Tweets Based on Community Detection in Bipartite Networks2017
- Author(s)
  Takako Hashimoto, Tetsuji Kuboyama, Hiroshi Okamoto, Kilho Shin
- Organizer
  EJC 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H00762
[Presentation] Community Detection in Bipartite Networks by Modular Decomposition of Random Walk and its Applications to Data Analysis2017
- Author(s)
  Qiu, Xu-le, Inagi, S., Tsuyoshi, M. & Okamoto, H.
- Organizer
  International School and Conference on Network Science (NetSci2017, Indianapolis, Indiana)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] Topic life cycle extraction from big Twitter data based on community detection in bipartite networks2017
- Author(s)
  Hashimoto, T., Okamoto, H., Kuboyama, T. & Shin, K.
- Organizer
  2017 IEEE International Conference on Big Data (IEEE BigData 2017, Boston, MA, USA)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] Topic Extraction on Twitter Considering Author's Role Based on Bipartite Networks.2017
- Author(s)
  Takako Hashimoto, Tetsuji Kuboyama, Hiroshi Okamoto, Kilho Shin
- Organizer
  DS2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17H00762
[Presentation] Detecting communities in temporal networks built by associating temporal tags with events2017
- Author(s)
  Hiroshi Okamoto
- Organizer
  NeySciX2017
- Place of Presentation
  Tel Aviv, Israel
- Year and Date
  2017-01-15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] Extracting Hierarchical Organization of Communities in Networks by Series of Phase Transitions Induced by Quasi-Static Increase in Resolution2016
- Author(s)
  Qiu Xu-le, Hiroshi Okamoto
- Organizer
  NetSci2016
- Place of Presentation
  Seoul, South Korea
- Year and Date
  2016-05-30
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] テンポラルネットワークからのコミュニティ抽出：エピソード記憶における海馬歯状回ニューロン新生の役割2016
- Author(s)
  岡本洋
- Organizer
  第30回人工知能学会全国大会
- Place of Presentation
  北九州国際会議場（福岡県北九州市）
- Year and Date
  2016-06-06
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] Hierarchical organization of multi-scale communities in brain networks is non-tree structured2015
- Author(s)
  Okamoto, H.
- Organizer
  24th Annual Computational Neuroscience Meeting
- Place of Presentation
  Prague, Czech Republic
- Year and Date
  2015-07-20
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] 全脳アーキテクチャのアキレス腱：JWEIN/コミュニティ構造分析の視点から2015
- Author(s)
  岡本洋
- Organizer
  ネットワークが創発する知能研究会（JWEIN2015）
- Place of Presentation
  日本大学理工学部駿河台キャンパス
- Year and Date
  2015-08-20
- Invited
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] 脳ネットワークのコミュニティは非木型階層構造を持つ2015
- Author(s)
  岡本洋
- Organizer
  第29回人工知能学会全国大会
- Place of Presentation
  公立はこだて未来大学
- Year and Date
  2015-06-01
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] Community Detection as Pattern Restoration by Attractor Neural-Network Dynamics2015
- Author(s)
  Okamoto, H.
- Organizer
  10th International Conference on Information Processing in Cells and Tissues
- Place of Presentation
  San Diego, USA
- Year and Date
  2015-09-16
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] 全脳ネットワーク分析：要素間関係がつくる神経機能モジュールの解明2015
- Author(s)
  岡本洋
- Organizer
  研究戦略ワークショップ Strategy for Neuroscience 2015
- Place of Presentation
  玉川大学
- Year and Date
  2015-09-05
- Invited
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] 脳ネットワークのコミュニティは非木型の階層構造を持つ2015
- Author(s)
  岡本洋
- Organizer
  第38回日本神経科学大会
- Place of Presentation
  神戸国際会議場・神戸国際展示場
- Year and Date
  2015-07-28
- Data Source
  KAKENHI-PROJECT-15K00418
[Presentation] 分散と集中：全脳ネットワーク分析が示唆する統合アーキテクチャ2014
- Author(s)
  岡本洋
- Organizer
  第6回全脳アーキテクチャ勉強会：統合アーキテクチャー～神経科学分野とAI分野の研究蓄積の活用に向けて～
- Place of Presentation
  東京都千代田区（グラントウキョウサウスタワー）
- Year and Date
  2014-07-18
- Invited
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] 脳ネットワークからの重なりと階層を持つコミュニティ構造の抽出2013
- Author(s)
  岡本洋
- Organizer
  第10回ネットワーク生態学シンポジウム
- Place of Presentation
  神戸市
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] 脳ネットワークからの重なりと階層とを有するコミュニティ構造の抽出2013
- Author(s)
  岡本洋
- Organizer
  Neuro2013(第36回日本神経科学大会、第56回日本神経化学会大会、第23回日本神経回路学会大会)
- Place of Presentation
  京都市
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] 脳ネットワークのモジュール分解2013
- Author(s)
  岡本洋
- Organizer
  第27回人工知能学会全国大会
- Place of Presentation
  富山市
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] Extracting Communities from Citation Networks of Patents: Application of the2012
- Author(s)
  Hiroshi Okamoto
- Organizer
  The 7th International ICST Conference on Bio-Inspired Models of Network, Information and Computing Systems
- Place of Presentation
  Lugano, Switzerland
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] 離散マルコフ過程に基づくネットワーククラスタリング2012
- Author(s)
  岡本洋
- Organizer
  第９回ネットワーク生態学シンポジウム
- Place of Presentation
  沖縄国際大学
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] 大規模複雑ネットワークからのトピックに依存したコミュニティ抽出:遺伝子制御・タンパク相互作用ネットワークへの適用および創薬における標的探索2011
- Author(s)
  岡本洋・園田隆志
- Organizer
  第7回ネットワーク生態学シンポジウム
- Place of Presentation
  山形市
- Year and Date
  2011-03-10
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] Neural mechanism for psychological timing of multi-alternative decision2011
- Author(s)
  Hiroshi Okamoto, Tomoki Fukai
- Organizer
  Neuroscience 2011
- Place of Presentation
  Washington DC
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] Extracting Tailored Protein Complexes from Protein-Protein Interaction Networks2011
- Author(s)
  Hiroshi Okamoto
- Organizer
  International Conference on Information Processing in Cells and Tissues (IPCAT 2012)
- Place of Presentation
  Trinity College, Cambridge, UK
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] ヒックの法則の神経基盤：多者択一過程における決定タイミングを説明する皮質回路モデル2011
- Author(s)
  岡本洋, 深井朋樹
- Organizer
  2011年度人工知能学会全国大会
- Place of Presentation
  盛岡
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] 多者択一における意思決定タイミング：モデル構築・解析に基づく神経機構の解明2011
- Author(s)
  岡本洋, 深井朋樹
- Organizer
  第34回日本神経科学大会
- Place of Presentation
  横浜
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] Topic-Dependent Document Ranking:Citation Network Analysis by Analogy to Memory Retrieval in the Brain2011
- Author(s)
  Hiroshi Okamoto
- Organizer
  International Conference on Artificial Neural Networks (ICANN 2011)
- Place of Presentation
  Espoo, Finland
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] Neural basis of Hick's law : the hallmark of psychological timing of multi-alternative decision2011
- Author(s)
  Okamoto, H., Fukai, T.
- Organizer
  8th Computational and System Neuroscience Meeting (COSYNE 2010)
- Place of Presentation
  Salt Lake City, UT
- Year and Date
  2011-02-24
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] Neural basis of Hick's law : the hallmark of psychological timing of multi-alternative decision.2011
- Author(s)
  Okamoto H., Fukai T.
- Organizer
  Computational and System Neuroscience (COSYNE) 2011.
- Place of Presentation
  Salt Lake City (UT)
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] 脳における記憶想起とのアナロジーによる大規模複雑ネットワークからの情報抽出2010
- Author(s)
  岡本洋
- Organizer
  人工知能学会第78回人工知能基本問題研究会(SIG-FPAI)
- Place of Presentation
  神戸市
- Year and Date
  2010-07-31
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] トピックに依存した文書ランキング2010
- Author(s)
  岡本洋・坪下幸寛・園田隆志
- Organizer
  2010年度人工知能学会全国大会(第24回)
- Place of Presentation
  長崎市
- Year and Date
  2010-06-10
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] 手掛かり依存的な時系列記憶想起を実現する神経機構のモデル2010
- Author(s)
  岡本洋・深井朋樹
- Organizer
  第33回日本神経科学大会(Neuro2010)
- Place of Presentation
  神戸市
- Year and Date
  2010-09-03
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] トピックに依存した論文ランキング:学術論文引用ネットワーク分析2009
- Author(s)
  岡本洋・坪下幸寛・園田隆志
- Organizer
  第6回情報プロフェッショナルシンポジウム
- Place of Presentation
  日本科学未来館(東京)
- Year and Date
  2009-10-15
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] Statistical properties of response times associated with perfect temporal integration of correlated fluctuating inputs2008
- Author(s)
  Okamoto, H., Fukai, T.
- Organizer
  Neuroscience 2008
- Place of Presentation
  Washington, DC
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] 特許引用ネットワーク分析2008
- Author(s)
  岡本洋, 坪下幸寛
- Organizer
  第27回日本シミュレーション学会大会
- Place of Presentation
  立命館大学びわこ・くさつキャンパス
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] Perfect temporal integration of fluctuating inputs by a recurrent network of cortical neurons2008
- Author(s)
  Okamoto, H., Fukai, T.
- Organizer
  Dynamical Neuroscience XVI : Neuronal Variability and Its Functional Significance
- Place of Presentation
  Washington, DC
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] Perfect temporal integration of fluctuating inputs by a recurrent network of cortical neurons.2008
- Author(s)
  Okamoto H., Fukai T.
- Organizer
  Dynamical Neuroscience XVI : Neuronal Variability and Its Functional Significance.
- Place of Presentation
  Washington, DC (USA)
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] 心的過程の神経機構:スパイク統計性に対する理論からの予言と検証2008
- Author(s)
  岡本洋, 深井朋樹
- Organizer
  生理学研究所研究会:理論と実験の融合による神経回路機能の統合的理解(2)
- Place of Presentation
  自然科学研究機構岡崎カンファレンスセンター
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] Statistical properties of response times associated with perfect temporal integration of correlated fluctuating inputs.2008
- Author(s)
  Okamoto H., Fukai T.
- Organizer
  Society for Neuroscience 37-th Annual Meeting.
- Place of Presentation
  Washington, DC (USA)
- Data Source
  KAKENHI-PROJECT-20500279
[Presentation] 脳における記憶想起とのアナロジーによるコミュニティ局所検出
- Author(s)
  岡本洋
- Organizer
  2014年度人工知能学会全国大会（第28回）JSAI2014
- Place of Presentation
  愛媛県松山市（ひめぎんホール）
- Year and Date
  2014-05-12 – 2014-05-15
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] マルコフ連鎖のモジュール分解：ネットワークからの重なりと階層構造を持つコミュニティの検出
- Author(s)
  岡本洋
- Organizer
  ネットワークが創発する知能研究会(JWEIN2014)
- Place of Presentation
  東京都調布市（電気通信大学）
- Year and Date
  2014-08-21 – 2014-08-23
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] 脳ネットワークからのコミュニティ構造の検出
- Author(s)
  岡本洋
- Organizer
  第30回ファジィシステムシンポジウム
- Place of Presentation
  高知県高知市（高知城ホール）
- Year and Date
  2014-09-01 – 2014-09-03
- Data Source
  KAKENHI-PROJECT-23500379
[Presentation] Modular decomposition of Markov chain: Detecting overlapping and hierarchically organized communities in networks
- Author(s)
  Hiroshi Okamoto, Xule Qiu
- Organizer
  NetSci x2015
- Place of Presentation
  FGV, Rio de Janeiro, Brazil
- Year and Date
  2015-01-14 – 2015-01-16
- Data Source
  KAKENHI-PROJECT-23500379

1. KUBOYAMA Tetsuji (80302660)

# of Collaborated Projects: 3 results

# of Collaborated Products: 5 results
2. SHIN Yoshihiro (60523587)

# of Collaborated Projects: 2 results

# of Collaborated Products: 4 results
3. SAKAMOTO Hiroshi (50315123)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
4. Hashimoto Takako (80551697)

# of Collaborated Projects: 2 results

# of Collaborated Products: 5 results
5. ARIMURA Hiroki (20222763)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. CUTURI Marco (80597344)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 宮尾祐介 (00343096)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 平田耕一 (20274558)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 西村治彦 (40218201)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. 竹村匡正 (40362496)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 中本幸一 (70382273)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 山下純司 (90282532)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 大島裕明 (90452317)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 沼田龍介 (30615787)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. 加藤創太 (50449419)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. 吉本郁 (30899282)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 岡田龍太郎 (60884583)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. 中西崇文 (80435784)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. 高橋達二 (00514514)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 布山美慕 (30797311)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 西郷甲矢人 (80615154)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 中島義裕

# of Collaborated Projects: 0 results

# of Collaborated Products: 2 results
23. 篠原修二

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
24. 森直樹

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Okamoto Hiroshi 岡本 洋

OKAMOTO Hiroshi 岡本 洋

Research Projects

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Developing political prediction models using explainable AI (XAI)

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New horizon of network analysis: application to supply chain management and international relations theoryPrincipal Investigator

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Hierarchical structure of knowledge networks and hierarchical analogical reasoning

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Reverse Engineering of Connectome: Elucidating Brain Information Processing Architecture by Network AnalysisPrincipal Investigator

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Topic Transition Analysis from Millions of Tweets After Severe Disasters

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Construction of Machine Learning Computing Base and Creation of Remarkable Contributions in Multiple Research Fields

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Whole brain network analysisPrincipal Investigator

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A study on positive-definite and efficient kernels for structured data

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Common neural basis of Weber's law and Hick's lawPrincipal Investigator

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Spatiotemporally organized retrieval of information inspired by the neural mechanism of mental processesPrincipal Investigator

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Information retrieval by a neural-network system with continuous attractorsPrincipal Investigator

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[Journal Article] 企業ネットワークの動的メゾスコピック構造2023

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[Journal Article] Testing the power-law hypothesis of the interconflict interval2023

Okamoto Hiroshi 岡本洋

OKAMOTO Hiroshi 岡本洋