Kawabata Koki 川畑光希

Researcher Number	20910053
Other IDs	https://orcid.org/0000-0003-4202-4513
Affiliation (Current)	2026: 大阪大学, 産業科学研究所, 助教
Affiliation (based on the past Project Information) *help	2022 – 2025: 大阪大学, 産業科学研究所, 助教
Review Section/Research Field	Principal Investigator Basic Section 60080:Database-related
Keywords	Principal Investigator 密グラフ抽出 / コミュニティ検出 / 時系列グラフ解析 / データストリーム / Graphical Lasso / Web情報解析 / 非線形モデル / ビッグデータ / データストリーム処理 / 関係抽出 / テンソル分解 / 時系列解析 / データマイニング

Research Projects
(2 results)
Research Products
(9 results)

大規模時系列グラフからの自動コミュニティ検出アルゴリズムの開発Principal Investigator
- Principal Investigator
  
  川畑光希
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 60080:Database-related
- Research Institution
  The University of Osaka
Development of Dynamic Structuring Algorithms for Large-Scale Tensor Time SeriesPrincipal Investigator
- Principal Investigator
  
  Kawabata Koki
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 60080:Database-related
- Research Institution
  Osaka University

All 2025 2024 2023 2022

All Journal Article

[Journal Article] 多次元時系列データのネットワークを基にした欠損値補間手法2025
- Author(s)
  小幡紘平, 川畑光希, 松原靖子, 櫻井保志
- Journal Title
  
  情報処理学会論文誌データベース（TOD）
  
  Volume: 18 (2) Pages: 18-31
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K17896
[Journal Article] D-Tracker: Modeling Interest Diffusion in Social Activity Tensor Data Streams2025
- Author(s)
  Shingo Higashiguchi, Yasuko Matsubara, Koki Kawabata, Taichi Murayama, Yasushi Sakurai
- Journal Title
  
  KDD
  
  Volume: - Pages: 460-471
- DOI
  10.1145/3690624.3709192
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K17896
[Journal Article] Dynamic Multi-Network Mining of Tensor Time Series2024
- Author(s)
  Kohei Obata, Koki Kawabata, Yasuko Matsubara, Yasushi Sakurai
- Journal Title
  
  WWW
  
  Volume: - Pages: 0-0
- DOI
  10.1145/3589334.3645461
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K17896
[Journal Article] Mining of Switching Sparse Networks for Missing Value Imputation in Multivariate Time Series2024
- Author(s)
  Kohei Obata, Koki Kawabata, Yasuko Matsubara, Yasushi Sakurai
- Journal Title
  
  KDD
  
  Volume: - Pages: 2296-2306
- DOI
  10.1145/3637528.3671760
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K17896
[Journal Article] 大規模webデータストリームに対する流行の拡散パターンの抽出手法2024
- Author(s)
  東口慎吾, 松原靖子, 川畑光希, 櫻井保志
- Journal Title
  
  情報処理学会論文誌（データベース）
  
  Volume: 17-2 Pages: 12-27
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K17896
[Journal Article] Modeling Dynamic Interactions over Tensor Streams2023
- Author(s)
  Kawabata Koki, Matsubara Yasuko, Sakurai Yasushi
- Journal Title
  
  WWW
  
  Volume: - Pages: 0-0
- DOI
  10.1145/3543507.3583458
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K17896, KAKENHI-PROJECT-20H00585, KAKENHI-PROJECT-21H03446
[Journal Article] 時系列データの自動ネットワーク構造検出アルゴリズム2023
- Author(s)
  小幡紘平, 松原靖子, 川畑光希, 中村航大, 櫻井保志
- Journal Title
  
  情報処理学会論文誌データベース（TOD）
  
  Volume: 16 Pages: 1-13
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K17896
[Journal Article] Fast and Multi-aspect Mining of Complex Time-stamped Event Streams2023
- Author(s)
  Nakamura Kota, Matsubara Yasuko, Kawabata Koki, Umeda Yuhei, Wada Yuichiro, Sakurai Yasushi
- Journal Title
  
  WWW
  
  Volume: - Pages: 0-0
- DOI
  10.1145/3543507.3583370
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K17896, KAKENHI-PROJECT-20H00585, KAKENHI-PROJECT-21H03446
[Journal Article] Fast Mining and Forecasting of Co-evolving Epidemiological Data Streams2022
- Author(s)
  Kimura Tasuku, Matsubara Yasuko, Kawabata Koki, Sakurai Yasushi
- Journal Title
  
  KDD
  
  Volume: - Pages: 0-0
- DOI
  10.1145/3534678.3539078
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K17896, KAKENHI-PROJECT-20H00585, KAKENHI-PROJECT-21H03446

Kawabata Koki 川畑 光希

Research Projects

Research Products

大規模時系列グラフからの自動コミュニティ検出アルゴリズムの開発Principal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of Dynamic Structuring Algorithms for Large-Scale Tensor Time SeriesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] 多次元時系列データのネットワークを基にした欠損値補間手法2025

Author(s)

Journal Title

Data Source

[Journal Article] D-Tracker: Modeling Interest Diffusion in Social Activity Tensor Data Streams2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Dynamic Multi-Network Mining of Tensor Time Series2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Mining of Switching Sparse Networks for Missing Value Imputation in Multivariate Time Series2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 大規模webデータストリームに対する流行の拡散パターンの抽出手法2024

Author(s)

Journal Title

Data Source

[Journal Article] Modeling Dynamic Interactions over Tensor Streams2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] 時系列データの自動ネットワーク構造検出アルゴリズム2023

Author(s)

Journal Title

Data Source

[Journal Article] Fast and Multi-aspect Mining of Complex Time-stamped Event Streams2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Fast Mining and Forecasting of Co-evolving Epidemiological Data Streams2022

Author(s)

Journal Title

DOI

Data Source

Kawabata Koki 川畑光希