Itou Mariko 伊藤真利子

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Ito Mariko 伊藤真利子

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Researcher Number	80838847
Other IDs
Affiliation (Current)	2025: 東京大学, 生産技術研究所, 特任講師
Affiliation (based on the past Project Information) *help	2025: 東京大学, 生産技術研究所, 特任講師 2022 – 2024: 東京大学, 生産技術研究所, 特任助教 2020 – 2021: 立教大学, 人工知能科学研究科, 助教
Review Section/Research Field	Principal Investigator Basic Section 62020:Web informatics and service informatics-related Except Principal Investigator Basic Section 25010:Social systems engineering-related
Keywords	Principal Investigator 点過程 / 集合知 / 集団意思決定 / データ解析 / 変化点検知 / 情報カスケード / スパイク列 / 金融市場 / 意思表明時系列 / Hawkes過程 … More / 数理モデル / 社会情報 / 意思表明タイミング / 複雑ネットワーク / 逐次的意思決定 … More Except Principal Investigator 変化点検知 / ビッグデータ / 購買タイミング / テレビメタデータ / テイラー則 / POS / 外生的変動 / フラクタル次元 / 店舗・施設 / 潜在的ディリクレ配分法 / COVID-19 / テレビ番組メタデータ / Hawkes過程 / 株式市場 / 点過程 / 内生的変動 / 変化点 / 多変量時系列 / 相互励起 / 自己励起型点過程 Less

集団意思決定の不安定性に関する実証的・理論的検証Principal Investigator
- Principal Investigator
  
  伊藤真利子
- Project Period (FY)
  2025 – 2028
- 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
集団意思決定における特徴的な意見表明クラスタの解析Principal Investigator
- Principal Investigator
  
  伊藤真利子
- Project Period (FY)
  2023 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 62020:Web informatics and service informatics-related
- Research Institution
  The University of Tokyo
自己・相互励起型点過程を用いた経済・社会の内生的変動の変化点検知
- Principal Investigator
  
  大西立顕
- Project Period (FY)
  2022 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 25010:Social systems engineering-related
- Research Institution
  Rikkyo University
Theoretical and empirical study of collective decision-making focusing on the timing of opinion statements in social networksPrincipal Investigator
- Principal Investigator
  
  Ito Mariko
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 62020:Web informatics and service informatics-related
- Research Institution
  The University of Tokyo
  Rikkyo University

All 2024 2023 2022 2021 2020

All Journal Article Presentation

[Journal Article] Exogenous and endogenous factors affecting stock market transactions: A Hawkes process analysis of the Tokyo Stock Exchange during the COVID-19 pandemic2024
- Author(s)
  Mariko I. Ito, Yudai Honma, Takaaki Ohnishi, Tsutomu Watanabe, Kazuyuki Aihara
- Journal Title
  
  PLOS ONE
  
  Volume: 19 Issue: 4 Pages: e0301462-e0301462
- DOI
  10.1371/journal.pone.0301462
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K17005, KAKENHI-PROJECT-23K21014, KAKENHI-PROJECT-23K22988
[Journal Article] Casting votes of antecedents play a key role in successful sequential decision-making2023
- Author(s)
  Ito Mariko I.、Sasaki Akira
- Journal Title
  
  PLOS ONE
  
  Volume: 18 Issue: 2 Pages: e0282062-e0282062
- DOI
  10.1371/journal.pone.0282062
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K19929, KAKENHI-PROJECT-19K22447, KAKENHI-PROJECT-23K22988
[Journal Article] ID-POS Data Analysis Using TV Commercial Viewership Data2022
- Author(s)
  Horikomi Taizo、Ito Mariko I.、Ohnishi Takaaki
- Journal Title
  
  The Review of Socionetwork Strategies
  
  Volume: 16 Issue: 2 Pages: 431-451
- DOI
  10.1007/s12626-022-00116-w
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K19929, KAKENHI-PROJECT-23K22988
[Journal Article] Fluctuation in Grocery Sales by Brand: An Analysis Using Taylor’s Law2022
- Author(s)
  Koyama Kazuki, Ito Mariko I., Ohnishi Takaaki
- Journal Title
  
  The Review of Socionetwork Strategies
  
  Volume: 16 Issue: 2 Pages: 417-430
- DOI
  10.1007/s12626-022-00119-7
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K22988
[Journal Article] Co-occurrence network of TV advertisements revealing Japanese lifestyle2021
- Author(s)
  Mariko I. Ito, Takaaki Ohnishi
- Journal Title
  
  Applied Network Science
  
  Volume: 6 Issue: 1 Pages: 1-19
- DOI
  10.1007/s41109-021-00393-4
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20K19929, KAKENHI-PROJECT-19H01114
[Journal Article] Uncovering the Image Structure of Japanese TV Commercials Through a Co-occurrence Network Representation2020
- Author(s)
  Mariko I. Ito, Takaaki Ohnishi
- Journal Title
  
  In: Benito R.M., Cherifi C., Cherifi H., Moro E., Rocha L.M., Sales-Pardo M. (eds) Complex Networks & Their Applications IX. COMPLEX NETWORKS 2020.
  
  Volume: 943 Pages: 273-283
- DOI
  10.1007/978-3-030-65347-7_23
- ISBN
  9783030653460, 9783030653477
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K19929
[Presentation] 点過程時系列に基づく市場銘柄の関係性を定量化する手法の考察2023
- Author(s)
  伊藤真利子, 本間裕大, 大西立顕, 渡辺努, 合原一幸
- Organizer
  アルゴリズム取引と金融市場学会株式市場と外国為替市場における高頻度データ分析
- Data Source
  KAKENHI-PROJECT-23K17005
[Presentation] 東証の株式市場における取引点過程の時系列解析2023
- Author(s)
  伊藤真利子，大西立顕，本間裕大
- Organizer
  第27回進化経済学会年次大会
- Data Source
  KAKENHI-PROJECT-23K22988
[Presentation] 取引点過程の特徴量から見た日銀臨時会合時の株式市場動向の定量化2023
- Author(s)
  伊藤真利子, 本間裕大, 大西立顕, 渡辺努, 合原一幸
- Organizer
  キャノングローバル戦略研究所 2023 年度経済・社会の分野横断的研究会
- Data Source
  KAKENHI-PROJECT-23K17005
[Presentation] Casting votes in sequential decision-making2023
- Author(s)
  Mariko Ito, Akira Sasaki
- Organizer
  6th ESLR Workshop 2023, Max Planck Institute for Human Development
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K19929
[Presentation] Characteristics in point process of collective decision-making and group performance2023
- Author(s)
  Mariko Ito
- Organizer
  The 23rd Conference of the International Federation of Operational Research Societies (IFORS), Santiago, Chile
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K19929
[Presentation] Hawkes過程モデルに基づく市場取引を引き起こす要因の推定2023
- Author(s)
  伊藤真利子, 本間裕大, 大西立顕, 渡辺努, 合原一幸
- Organizer
  日本物理学会第78回年次大会
- Data Source
  KAKENHI-PROJECT-23K22988
[Presentation] Individuals' timings of decision-making and group performance2022
- Author(s)
  Mariko Ito
- Organizer
  APS March meeting 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K19929
[Presentation] キャスティングボートが最適な逐次意思決定の鍵を握る2022
- Author(s)
  伊藤真利子，佐々木顕
- Organizer
  第32回日本数理生物学会大会（2022年度年会）
- Data Source
  KAKENHI-PROJECT-20K19929
[Presentation] 共起ネットワークを用いたCMのイメージ構造の分析2022
- Author(s)
  伊藤真利子, 大西立顕
- Organizer
  日本物理学会第77回年次大会
- Data Source
  KAKENHI-PROJECT-20K19929
[Presentation] Burstiness and accuracy of collective decision-making2021
- Author(s)
  Mariko Ito
- Organizer
  DPG Spring Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K19929
[Presentation] 意思表明間隔と意思決定の正確さ2020
- Author(s)
  伊藤真利子
- Organizer
  2020年度日本数理生物学会年会
- Data Source
  KAKENHI-PROJECT-20K19929

1. 大西立顕 (10376387)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results

Itou Mariko 伊藤 真利子

Ito Mariko 伊藤 真利子

Research Projects

Research Products

Co-Researchers

集団意思決定の不安定性に関する実証的・理論的検証Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

集団意思決定における特徴的な意見表明クラスタの解析Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

自己・相互励起型点過程を用いた経済・社会の内生的変動の変化点検知

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Theoretical and empirical study of collective decision-making focusing on the timing of opinion statements in social networksPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Exogenous and endogenous factors affecting stock market transactions: A Hawkes process analysis of the Tokyo Stock Exchange during the COVID-19 pandemic2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Casting votes of antecedents play a key role in successful sequential decision-making2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] ID-POS Data Analysis Using TV Commercial Viewership Data2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Fluctuation in Grocery Sales by Brand: An Analysis Using Taylor’s Law2022

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Co-occurrence network of TV advertisements revealing Japanese lifestyle2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Uncovering the Image Structure of Japanese TV Commercials Through a Co-occurrence Network Representation2020

Author(s)

Journal Title

DOI

ISBN

Data Source

[Presentation] 点過程時系列に基づく市場銘柄の関係性を定量化する手法の考察2023

Author(s)

Organizer

Data Source

[Presentation] 東証の株式市場における取引点過程の時系列解析2023

Author(s)

Organizer

Data Source

[Presentation] 取引点過程の特徴量から見た日銀臨時会合時の株式市場動向の定量化2023

Author(s)

Organizer

Data Source

[Presentation] Casting votes in sequential decision-making2023

Author(s)

Organizer

Data Source

[Presentation] Characteristics in point process of collective decision-making and group performance2023

Author(s)

Organizer

Data Source

Itou Mariko 伊藤真利子

Ito Mariko 伊藤真利子