OHARA Kouzou 大原剛三

… Alternative Names

大原剛三オオハラコウゾウ

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Researcher Number	30294127
Other IDs
External Links
Affiliation (Current)	2025: 青山学院大学, 理工学部, 教授
Affiliation (based on the past Project Information) *help	2016 – 2022: 青山学院大学, 理工学部, 教授 2009 – 2016: Aoyama Gakuin University, 理工学部, 准教授 2007 – 2008: Osaka University, 産業科学研究所, 助教 1997 – 2006: 大阪大学, 産業科学研究所, 助手
Review Section/Research Field	Principal Investigator Intelligent informatics / Intelligent informatics / Intelligent informatics / Basic Section 61030:Intelligent informatics-related Except Principal Investigator Intelligent informatics / Science and Engineering / Intelligent informatics / Web informatics, Service informatics / 情報システム学(含情報図書館学) / Learning support system
Keywords	Principal Investigator グラフマイニング / データマイニング / 機械学習 / 知識発見 / 帰納論理プログラミング / 大規模不確実ネットワーク / 重要ノード抽出 / 重要リンク抽出 / 不完全ネットワーク / 大規模ネットワーク … More / 時間制約付き目標ノード指向中心性指標 / 中心性指標 / 道路ネットワーク / 社会ネットワーク分析 / 複雑ネットワーク / クリティカルリンク / 統計数学 / 確率モデル / 予測シミュレーション / ウェブマイニング / 情報工学 / コミュニティ抽出 / 社会ネットワーク / クラフマイニング / パターン発見 / 部分グラフ同型判定 / 多頻度グラフ / 制約パターン / 領域知識 / 経験的知識 / 個人適応 / インタラクション / 制約的知識 / 可視化 / 帰納学習 / 非単調推論 / 知識ベース / 知識獲得 / 例外 … More Except Principal Investigator データマイニング / 機械学習 / 複雑ネットワーク科学 / 社会ネットワーク分析 / グラフマイニング / 知識発見 / 映像要約 / マルチメディア / 連続メディア / 監視 / 時系列データ解析 / データマインング / ダイナミクスモデル / ユビキタスセンシング / 大規模次元時系列 / 大規模次元データ / 時系列解析 / クラスタリング / 人工知能 / 複雑ネットワーク / 統計的機械学習 / 確率過程モデル / ソーシャルメディア分析 / ソーシャルネットワーク分析 / ソーシャルメディアマイニング / Feature Construction / Time Series Analysis / Graph Mining / Clustering / Data Mining / Knowledge Discovery / Machine Learning / 属性構築 / quantitative association rules / graph mining / three dimensional structure / physiological activity correlation / data mining / graph structure / 定量的相関規則 / 3次元構造 / 化学生理活性相関 / グラフ構造 / Summarization / Spatio-temporal indexing / Surveillance video / Omnidirectional vision sensor / 協調解析 / 可視化 / 時空間インデキシング / サーベイランス映像 / 全方位視覚センサー / Event Based Video Indexing / Content Analysis / Video Abstraction / Intermodal Collaboration / Organization / Multimedia / Video Stream / Continuous Media / 内容に基づくインデキシング / イベント検出 / 内容解析 / インタモーダル協調 / コンテンツ解析 / インモーダル強調 / 構造化 / 映像メディア / continuous media processing / navigation system / image coding / document image processing / geographical information processing system (GIS) / media integration / media conversion / media information processing / アノテーション / セグメンテーション / 書体・字体・字種識別 / メディア交換 / 3次元構造物内案内システム / 機械部品交換 / 連続メディア処理 / ナビゲーションシステム / 電子化文書 / 文書画像処理 / 地図情報処理 / メディア統合 / メディア変換 / メディア情報処理 / グラフィックライブラリ / 外国語学習 / 脳波計測 / e-ラーニング / 脳波 / 聴覚障碍者 / 立体視 / WebGL / 英語学習 / 口腔 / アニメーション / VR / 身体知 / 発音学習 / 言語教育 / 知的学習支援システム / 情報拡散の影響度分析 / 機械学習アルゴリズム / ネットワーク進化モデル / 変化点検出 / 学習アルゴリズム / オピニオン形成モデル / 情報拡散モデル / 高速相関係数推定 / 少数事例データ / 因果ネットワーク / 大規模変数次元データ / 遺伝子発現度測定データ / 独立成分分析 / 統計的因果推論 / 遺子機能 / 知識ベース / 遺伝子機能 / 因果推論 / 大規模次元 / 部分共起分析 / 定量的バスケット分析 / 数値バスケット分析 / 薬品処方規則 / 部分空間クラスタリング / 定量的多頻度アイテム集合 / 数値相関規則 / 時系列相関 / データ前処理 / 視覚化 / 論理型データベース / 矛盾 / 非単調理論 / 無矛盾性維持 / 知識洗練化 / 知識獲得 / 例外 / 不完全知識 / 知識コンバージョン Less

Extraction of Important Nodes/Links under Time Constraints in Uncertain NetworksPrincipal Investigator
- Principal Investigator
  
  Ohara Kouzou
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 61030:Intelligent informatics-related
- Research Institution
  Aoyama Gakuin University
Identifying Critical Links for Minimizing Loss of Information over Large NetworksPrincipal Investigator
- Principal Investigator
  
  Ohara Kouzou
- Project Period (FY)
  2017 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Intelligent informatics
- Research Institution
  Aoyama Gakuin University
Modeling attention dynamics with cooperative and competitive structures
- Principal Investigator
  
  KIMURA Masahiro
- Project Period (FY)
  2017 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Web informatics, Service informatics
- Research Institution
  Ryukoku University
Developing Predictive Simulation Framework with Confidence Level for Stochastic Process and Its Application to Knowledge DiscoveryPrincipal Investigator
- Principal Investigator
  
  OHARA Kouzou
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Intelligent informatics
- Research Institution
  Aoyama Gakuin University
Modeling complex evolution of social networks in a variety of specific contexts
- Principal Investigator
  
  Kimura Masahiro
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Web informatics, Service informatics
- Research Institution
  Ryukoku University
Analysis of the influence of stereoscopic viewing on pronunciation physiological acquisition and its application to language learning support
- Principal Investigator
  
  SAKUTA Hiroshi
- Project Period (FY)
  2014 – 2016
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Learning support system
- Research Institution
  Aoyama Gakuin University
Modeling culture dynamics on complex networks
- Principal Investigator
  
  KIMURA MASAHIRO
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Intelligent informatics
- Research Institution
  Ryukoku University
Extraction of multiple communities based on information diffusion results on a large social networkPrincipal Investigator
- Principal Investigator
  
  OHARA Kouzou
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  Aoyama Gakuin University
Closed Frequent Subgraph Mining by Graph Closure Operation and Its ParallelizationPrincipal Investigator
- Principal Investigator
  
  OHARA Kouzou
- Project Period (FY)
  2009 – 2010
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  Aoyama Gakuin University
大規模次元観測時系列からのダイナミクス知識体系化と理解支援手法の開発
- Principal Investigator
  
  鷲尾隆
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Osaka University
Development of Causal Structure Mining Method for Large Scale Dimensional Data and Construction of Gene Function Knowledge Base
- Principal Investigator
  
  WASHIO Takashi
- Project Period (FY)
  2007 – 2009
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University
Development of Graph Mining Method Using Domain Knowledge as ConstraintsPrincipal Investigator
- Principal Investigator
  
  OHARA Kouzou
- Project Period (FY)
  2007 – 2008
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University
大規模次元時系列の知識発掘・モデル化原理確立と商業ユビキタスデータによる検証
- Principal Investigator
  
  鷲尾隆
- Project Period (FY)
  2006
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Osaka University
数値相関ルール高速完全探索手法の開発と薬品処方規則発見への適用評価
- Principal Investigator
  
  鷲尾隆
- Project Period (FY)
  2005 – 2007
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University
個人適応に基づく領域適応型データマイニングシステムの開発Principal Investigator
- Principal Investigator
  
  大原剛三
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University
Development of 3 dimensional graph mining techniques and systems to identify physiologically active parts in chemical compounds
- Principal Investigator
  
  WASHIO Takashi
- Project Period (FY)
  2004 – 2006
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University
Development of Constructive Induction Method of Useful Attributes from Complex Structured Data
- Principal Investigator
  
  MOTODA Hiroshi
- Project Period (FY)
  2004 – 2005
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University
学習システムとユーザのインタラクションからの制約的知識獲得に関する研究Principal Investigator
- Principal Investigator
  
  大原剛三
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University
Visualization and summarization of Omnidirectional surveillance Video by Spatio-temporal Indexing
- Principal Investigator
  
  BABAGUCHI Noboru
- Project Period (FY)
  2002 – 2003
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University
構造データからのアクティブマイニング
- Principal Investigator
  
  MOTODA Hiroshi
- Project Period (FY)
  2001 – 2004
- Research Category
  
  Grant-in-Aid for Scientific Research on Priority Areas
- Review Section
  
  Science and Engineering
- Research Institution
  Osaka University
例外を許容する知識ベースシステムからの帰納論理プログラミングを用いた知識獲得Principal Investigator
- Principal Investigator
  
  大原剛三
- Project Period (FY)
  1999 – 2000
- Research Category
  
  Grant-in-Aid for Encouragement of Young Scientists (A)
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University
Network Based Organization of Continuous Media by Intermodal Collaboration and Domain Knowledge Use
- Principal Investigator
  
  BABAGUCHI Noboru
- Project Period (FY)
  1999 – 2001
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  情報システム学(含情報図書館学)
- Research Institution
  Osaka University
An Advanced Scheme of Information Presentation Based on Integration and Conversion of Information and its Application to Recognition and Understand of Concepts
- Principal Investigator
  
  KITAHASHI Tadahiro
- Project Period (FY)
  1998 – 1999
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University
不完全知識創出のための知識コンバージョンに関する研究
- Principal Investigator
  
  BABAGUCHI Noboru
- Project Period (FY)
  1996 – 1997
- Research Category
  
  Grant-in-Aid for Exploratory Research
- Research Field
  
  Intelligent informatics
- Research Institution
  Osaka University

[Book] Mining Graph Data (Chap. 8, pp.203-226,)(Eds : Diane J. Cook and Lawrence B. Holder) (Wiley-Interscience,A John Wiley ＆ Sons, Inc., Publication)2006
- Author(s)
  Kouzou Ohara, Phu Chien Nguyen, Akira Mogi, Hiroshi Motoda, Takashi Washio
- Total Pages
  24
- Publisher
  Constructing Decision Teee Based on Chunkingless Graph-Based Induction
- Data Source
  KAKENHI-PROJECT-16300045
[Book] Mining Graph Data (Chap.8, pp.203-226)(Eds : Diane J. Cook and Lawrence B. Holder)(Wi1ey-Interscience)(A John Wiley ＆ Sons, Inc., Publication)2006
- Author(s)
  Kouzou Ohara, Phu Chien Nguyen, Akira Mogi, Hiroshi Motoda, Takashi Washio
- Total Pages
  24
- Publisher
  Constructing Decision Teee Based on Chunkingless Graph-Based Induction
- Data Source
  KAKENHI-PROJECT-17650042
[Book] Mining Graph Data, Chap. 8, pp. 203-226(Eds : Diane J. Cook and Lawrence B. Holder)(Wiley-Interscience, A John Wiley ＆ Sons, Inc., Publication)2006
- Author(s)
  Kouzou Ohara, Phu Chien Nguyen, Akira Mogi, Hiroshi Motoda, Takashi Washio
- Total Pages
  24
- Publisher
  Constructing Decision Teee Based on Chunkingless Graph-Based Induction
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16300045
[Book] Mining Graph Data, Chap 8, pp. 203-226, Wiley-Interscience (Eds : Diane J. Cook and Lawrence B. Holder)(A John Wiley ＆ Sons, Inc., Publication)2006
- Author(s)
  Kouzou Ohara, Phu Chien Nguyen, Akira Mogi, Hiroshi Motoda, Takashi Washio
- Total Pages
  24
- Publisher
  Constructing Decision Teee Based on Chunkingless Graph-Based Induction
- Data Source
  KAKENHI-PROJECT-18049052
[Journal Article] Efficient Computation of Target-Oriented Link Criticalness Centrality in Uncertain Graphs2021
- Author(s)
  Kazumi Saito, Takayasu Fushimi, Kouzou Ohara, Masahiro Kimura, and Hiroshi Motoda
- Journal Title
  
  Intelligent Data Analysis
  
  Volume: 25
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-20K11940
[Journal Article] General framework of opening and closing shops over a spatial network based on stochastic utility under competitive and time-bounded environment2021
- Author(s)
  Fushimi Takayasu、Saito Kazumi、Ohara Kouzou、Kimura Masahiro、Motoda Hiroshi
- Journal Title
  
  Social Network Analysis and Mining
  
  Volume: 11 Issue: 1
- DOI
  10.1007/s13278-021-00778-4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K20417, KAKENHI-PROJECT-20K11940
[Journal Article] Critical Node Identification based on Articulation Point Detection for Uncertain Network2019
- Author(s)
  Ohara Kouzou, Saito Kazumi, Kimura Masahiro, Motoda Hiroshi
- Journal Title
  
  International Journal of Networking and Computing
  
  Volume: 9 Issue: 2 Pages: 201-216
- DOI
  10.15803/ijnc.9.2_201
- NAID
  130007680114
- ISSN
  2185-2839, 2185-2847
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K00314
[Journal Article] Resampling-based predictive simulation framework of stochastic diffusion model for identifying top-K influential nodes2019
- Author(s)
  Ohara Kouzou、Saito Kazumi、Kimura Masahiro、Motoda Hiroshi
- Journal Title
  
  International Journal of Data Science and Analytics
  
  Volume: 印刷中 Issue: 2 Pages: 175-195
- DOI
  10.1007/s41060-019-00183-3
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00314
[Journal Article] Which is more influential, “Who” or “When” for a user to rate in online review site?2018
- Author(s)
  Saito Kazumi、Ohara Kouzou、Kimura Masahiro、Motoda Hiroshi
- Journal Title
  
  Intelligent Data Analysis
  
  Volume: 22 Issue: 3 Pages: 639-657
- DOI
  10.3233/ida-173373
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00314
[Journal Article] オンラインアイテム群における共有イベント系列に基づいた協調構造の抽出2018
- Author(s)
  松谷貫司, 熊野雅仁, 木村昌弘, 斉藤和己, 大原剛三, 元田浩
- Journal Title
  
  人工知能学会論文誌
  
  Volume: 33(A-HA1) Pages: 1-12
- NAID
  130006730831
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00433
[Journal Article] 社会ネットワークにおける影響最大化問題を解く並列分散アルゴリズムの提案2018
- Author(s)
  佐々木亮輔，豊田哲也，大原剛三
- Journal Title
  
  日本データベース学会和文論文誌
  
  Volume: 16-J
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K00314
[Journal Article] Accurate and efficient detection of critical links in network to minimize information loss2018
- Author(s)
  Saito Kazumi、Ohara Kouzou、Kimura Masahiro、Motoda Hiroshi
- Journal Title
  
  Journal of Intelligent Information Systems
  
  Volume: 51 Issue: 2 Pages: 235-255
- DOI
  10.1007/s10844-018-0523-6
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00314
[Journal Article] Discovering cooperative structure among online items for attention dynamics2017
- Author(s)
  Kanji Matsutani, Masahito Kumano, Masahiro Kimura, Kazumi Saito, Kouzou Ohara, and Hiroshi Motoda
- Journal Title
  
  Proceedings of 2017 IEEE International Conference on Data Mining Workshops (ICDMW 2017)
  
  Volume: 17 Pages: 1033-1041
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17K00433
[Journal Article] Speeding-up node influence computation for huge social networks2016
- Author(s)
  Masahiro Kimura, Kazumi Saito, Kouzou Ohara, and Hiroshi Motoda
- Journal Title
  
  International Journal of Data Science and Analytics
  
  Volume: Vol.1 Issue: 1 Pages: 3-16
- DOI
  10.1007/s41060-015-0001-y
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330352
[Journal Article] 条件付き確率場を用いた発話テキストに対するジェスチャの推定2016
- Author(s)
  塙俊樹，白川真一，長谷川大，塩入直哉，大原剛三，佐久田博司
- Journal Title
  
  電気学会論文誌C
  
  Volume: 136 Pages: 308-317
- NAID
  130005132279
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26540185
[Journal Article] The Effect of Metaphoric Gestures on Schematic Understanding of Instruction Performed by a Pedagogical Conversational Agent2015
- Author(s)
  Dai Hasegawa, Shinichi Shirakawa, Naoya Shioiri, Toshiki Hanawa, Hiroshi Sakuta, Kozo Ohara
- Journal Title
  
  In Lecture Notes in Computer Science (LNCS)
  
  Volume: 9192 Pages: 361-371
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-26540185
[Journal Article] Efficient learning of user conformity on review score2015
- Author(s)
  Kazumi Saito, Kouzou Ohara, Masahiro Kimura, and Hiroshi Motoda
- Journal Title
  
  Lecture Notes in Computer Science (Social Computing, Behavioral-Cultural Modeling, and Prediction)
  
  Volume: Vol.9021 Pages: 182-192
- DOI
  10.1007/978-3-319-16268-3_19
- ISBN
  9783319162676, 9783319162683
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330352
[Journal Article] Combining activity-evaluation information with NMF for trust-link prediction in social media2015
- Author(s)
  Kanji Matsutani, Masahito Kumano, Masahiro Kimura, Kazumi Saito, Kouzou Ohara, and Hiroshi Motoda
- Journal Title
  
  Proceedings of 2015 IEEE International Conference on Big Data (BigData 2015)
  
  Volume: Vol.3 Pages: 2263-2272
- DOI
  10.1109/bigdata.2015.7364015
- NAID
  130008064793
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330352
[Journal Article] Super mediator - A new centrality measure of node importance for information diffusion over social network2015
- Author(s)
  Kazumi Saito, Masahiro Kimura, Kouzou Ohara, and Hiroshi Motoda
- Journal Title
  
  Information Sciences
  
  Volume: 印刷中 Pages: 985-1000
- DOI
  10.1016/j.ins.2015.03.034
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330352
[Journal Article] ソーシャルメディアでの信頼ネットワーク進化における媒介者アクティビティ効果の分析2015
- Author(s)
  八田圭斗, 熊野雅仁, 木村昌弘, 斉藤和己, 大原剛三, 元田浩
- Journal Title
  
  情報処理学会論文誌　数理モデル化と応用
  
  Volume: Vol.8 Pages: 44-56
- NAID
  110009848661
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330352
[Journal Article] Efficient analysis of node influence based on SIR model over huge complex networks2014
- Author(s)
  Masahiro Kimura, Kazumi Saito, Kouzou Ohara, and Hiroshi Motoda
- Journal Title
  
  Proceedings of the 2014 International Conference on Data Science and Advanced Analytics (DSAA 2014)
  
  Volume: 1 Pages: 216-222
- DOI
  10.1109/dsaa.2014.7058076
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330352
[Journal Article] Analyzing mediator-activity effects for trust-network evolution in social media2014
- Author(s)
  Keito Hatta, Masahito Kumano, Masahiro Kimura, Kazumi Saito, Kouzou Ohara, and Hiroshi Motoda
- Journal Title
  
  Lecture Notes in Artificial Intelligence (PRICAI 2014: Trends in Artificial Intelligence)
  
  Volume: 8862 Pages: 297-308
- DOI
  10.1007/978-3-319-13560-1_24
- ISBN
  9783319135595, 9783319135601
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-26330352
[Journal Article] Detecting changes in information diffusion patterns over social networks2013
- Author(s)
  K.Saito, M.Kimura, K.Ohara, and H.Motoda
- Journal Title
  
  ACM Transactions on Intelligent Systems and Technology
  
  Volume: Vol.4,No.3 Issue: 3 Pages: 1-23
- DOI
  10.1145/2483669.2483688
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Identifying super-mediators of information diffusion in social networks2013
- Author(s)
  Kazumi Saito, Masahiro Kimura, Kouzou Ohara, and Hiroshi Motoda
- Journal Title
  
  Lecture Notes in Computer Science (Proceedings of DS 2013)
  
  Volume: 8140 Pages: 170-184
- DOI
  10.1007/978-3-642-40897-7_12
- ISBN
  9783642408960, 9783642408977
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Learning asynchronous-time information diffusion models and its application to behavioral data analysis over social networks2013
- Author(s)
  Kazumi Saito, Masahiro Kimura, Kouzou Ohara, and Hiroshi Motoda
- Journal Title
  
  Journal of Computer Engineering and Informatics
  
  Volume: 1 (2) Issue: 2 Pages: 30-57
- DOI
  10.5963/jcei0102002
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Change point detection for burst analysis from an observed information diffusion sequence of tweets2013
- Author(s)
  K.Saito, K.Ohara, M.Kimura, and H.Motoda
- Journal Title
  
  Journal of Intelligent Information Systems
  
  Volume: Online First Issue: 2 Pages: 1-27
- DOI
  10.1007/s10844-013-0283-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Learning asynchronous-time information diffusion models and its application to behavioral data analysis over social networks2013
- Author(s)
  K.Saito, M.Kimura, K.Ohara, and H.Motoda
- Journal Title
  
  Journal of Computer Engineering and Informatics
  
  Volume: Vol.1,No.2 Pages: 30-57
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Which targets to contact first to maximize influence over social network2013
- Author(s)
  Kazumi Saito, Masahiro Kimura, Kouzou Ohara, and Hiroshi Motoda
- Journal Title
  
  Lecture Notes in Computer Science (Proceedings of SBP 2013)
  
  Volume: 7812 Pages: 359-367
- DOI
  10.1007/978-3-642-37210-0_39
- NAID
  40020301304
- ISBN
  9783642372094, 9783642372100
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Learning to predict opinion share and detect anti-majority opinionists in social networks2013
- Author(s)
  M.Kimura, K.Saito, K.Ohara, and H.Motoda
- Journal Title
  
  Journal of Intelligent Information Systems
  
  Volume: Vol.41,No.1 Issue: 1 Pages: 5-37
- DOI
  10.1007/s10844-012-0222-7
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] 情報拡散モデルに基づくツィート系列からのバースト期間検出2012
- Author(s)
  大原剛三
- Journal Title
  
  日本データベース学会論文誌
  
  Volume: Vol.11, No.2 Pages: 25-30
- NAID
  40019501150
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700181
[Journal Article] Burst detection in a sequence of tweets based on information diffusion model2012
- Author(s)
  K.Saito, K.Ohara, M.Kimura, and H.Motoda
- Journal Title
  
  Lecture Notes in Computer Science (Proc. of DS 2012)
  
  Volume: Vol.7569 Pages: 239-253
- DOI
  10.1007/978-3-642-33492-4_20
- NAID
  40019501150
- ISBN
  9783642334917, 9783642334924
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Opinion formation by voter model with temporal decay dynamics2012
- Author(s)
  M.Kimura, K.Saito, K.Ohara, and H.Motoda
- Journal Title
  
  Lecture Notes in Computer Science (Proc. of ECML PKDD 2012)
  
  Volume: Vol.7524 Pages: 565-580
- DOI
  10.1007/978-3-642-33486-3_36
- NAID
  40020295798
- ISBN
  9783642334856, 9783642334863
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] 情報拡散モデルに基づくツイート系列からのバースト期間検出2012
- Author(s)
  大原剛三, 斉藤和己, 木村昌弘, 元田浩
- Journal Title
  
  日本データベース学会論文誌
  
  Volume: Vol.11, No.2 Pages: 25-30
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23700181
[Journal Article] Learning attribute-weighted voter model over social networks2011
- Author(s)
  Y.Yamagishi, K.Saito, M.Kimura, K.Ohara, and H.Motoda
- Journal Title
  
  JMLR Workshop and Conference Proceedings (Proc. of ACML 2011)
  
  Volume: Vol.20 Pages: 263-278
- URL
  http://jmlr.org/proceedings/papers/v20/yamagishi11/yamagishi11.pdf
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Efficient detection of hot span in information diffusion from observation2011
- Author(s)
  K.Ohara, K.Saito, M.Kimura, and H.Motoda
- Journal Title
  
  Proceedings of IJCAI-11 Workshop on Link Analysis in Heterogeneous Information Networks
  
  Pages: 1-6
- URL
  http://www.kddresearch.org/Workshops/IJCAI-2011-HINA/Papers/ohara11efficient.pdf
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Detecting anti-majority opinionists using value-weighted mixture voter model2011
- Author(s)
  M.Kimura, K.Saito, K.Ohara, and H.Motoda
- Journal Title
  
  Lecture Notes in Computer Science (Proc. of DS 2011)
  
  Volume: Vol.6926 Pages: 151-164
- DOI
  10.1007/978-3-642-24477-3_14
- NAID
  40020260000
- ISBN
  9783642244766, 9783642244773
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Efficient detection of hot span in information diffusion from observation2011
- Author(s)
  Kouzou Ohara, Kazumi Saito, Masahiro Kimura, and Hiroshi Motoda
- Journal Title
  
  Proceedings of the IJCAI-11 Workshop on Link Analysis in Heterogeneous Information Networks (IJCAI-HINA 2011): arXiv:1110.2659v1
  
  Volume: 1 Pages: 1-6
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] Learning attribute-weighted voter model over social networks2011
- Author(s)
  Yuki Yamagishi, Kazumi Saito, Masahiro Kimura, Kouzou Ohara, and Hiroshi Motoda
- Journal Title
  
  JMLR Workshop and Conference Proceedings (Proceedings of ACML 2011)
  
  Volume: 20 Pages: 263-278
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500194
[Journal Article] DryadeParent, an Efficient and Robust Closed Attribute Tree Mining Algorithm2008
- Author(s)
  Alexandre Termier, Marie-Christine Rousset, Michele Sebag, Kouzou Ohara, Takashi Washio, Hiroshi Motoda
- Journal Title
  
  IEEE transactions on Knowledge and Data Engineering Vol.20, No.3
  
  Pages: 300-320
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19700145
[Journal Article] DryadeParent, An Efficient and Robust Closed Attribute Tree Mining Algorithm2008
- Author(s)
  A. Termier, M.-C. Rousset, M. Sebag, K. Ohara, T. Washio, Hiroshi Motoda
- Journal Title
  
  IEEE Trans. on Knowledge and Data Eng. Vol.20,No.2
  
  Pages: 300-320
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19200013
[Journal Article] Constructing Decision Trees for Graph-Structured Data by Chunkingless Graph-Based Induction2006
- Author(s)
  Phu Chien Nguyen, Kouzou Ohara, Akira Mogi, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Proc. of 10th Pacific-Asia Conference, PAKDD2006, Advances in Knowledge Discovery and Data Mining LNAI 3918
  
  Pages: 390-399
- Data Source
  KAKENHI-PROJECT-18049052
[Journal Article] Extracting Discriminative Patterns from Graph Structured Data using Constrained Search2006
- Author(s)
  Kiyoto Takabayashi, Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Proc. of the Z006 Pacific Rim Knowledge Acquisition Workshop (PKAW 2006), Workshop held in conjunction with the 9th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2006)
  
  Pages: 62-72
- Data Source
  KAKENHI-PROJECT-18049052
[Journal Article] Mining Discreminative Patterns from Graph Structured Data with Constrained Search2006
- Author(s)
  Kiyoto Takabayashi, Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Proc. of the Workshop on Mining and Learning with Graphs, 17th European Conference on Machine Learning (ECML) and 10th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD)
  
  Pages: 205-212
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16300045
[Journal Article] Constructing Decision Trees for Graph-Structured Data by Chunkingless Graph-Based Induction2006
- Author(s)
  Phu Chien Nguyen, Kouzou Ohara, Akira Mogi, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Proc. of 10th Pacific-Asia Conference, PAKDD2006, Advances in Knowledge Discovery and Data Mining LNAI 3918
  
  Pages: 390-399
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16300045
[Journal Article] Mining Discreminative Patterns from Graph Structured Data with Constrained Search2006
- Author(s)
  Kiyoto Takabayashi, Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Proc. of the Workshop on Mining and Learning with Graphs, 17ty Eupropean Conference on Machine Learning (ECML) and 10th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD)
  
  Pages: 205-212
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16300045
[Journal Article] Extracting Discriminative Patterns from Graph Structured Data using Constrained Search2006
- Author(s)
  Kiyoto Takabayashi, Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Proc. of the 2006 Pacific Rim Knowledge Acquisition Workshop (PKAW 2006), Workshop held in conjunction with the 9th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2006)
  
  Pages: 62-72
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16300045
[Journal Article] Constructing Decision Trees for Graph-Structured Data by Chunkingless Graph-Based Induction2006
- Author(s)
  Phu Chien Nguyen, Kouzou Ohara, Akira Mogi, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Proc. of 10th Pacific-Asia Conference, PAKDD2006, Advances in Knowledge Discovery and Data Mining LNAI 3918
  
  Pages: 390-399
- Data Source
  KAKENHI-PROJECT-17650042
[Journal Article] Mining Discreminative Patterns from Graph Structured Data with Constrained Search2006
- Author(s)
  Kiyoto Takabayashi, Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Proc. of the Workshop on Mining and Learning with Graphs. 17ty Eupropean Conference on Machine Learning (ECML) and 10th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD)
  
  Pages: 205-212
- Data Source
  KAKENHI-PROJECT-17650042
[Journal Article] Extracting Discriminative Patterns from Graph Structured Data using Constrained Search2006
- Author(s)
  Kiyoto Takabayashi, Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Proc. of the 2006 Pacific Rim Knowledge Acquisition Workshop (PKAW 2006) in conjunction with the 9th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2006)
  
  Pages: 62-72
- Data Source
  KAKENHI-PROJECT-17650042
[Journal Article] Mining Discreminative Patterns from Graph Structured Data with Constrained Search2006
- Author(s)
  Kiyoto Takabayashi, Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Proc. of the Workshop on Mining and Learning with Graphs, 17ty Eupropean Conference on Machine Learning (ECML) and 10th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD)
  
  Pages: 205-212
- Data Source
  KAKENHI-PROJECT-18049052
[Journal Article] Cl-GBI : A Novel Approach for Extracting Typical Paterns from Graph-Structured Data2005
- Author(s)
  Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Takashi Washio
- Journal Title
  
  Lecture Notes in Computer Science, LNAI3518,Advances in Knowledge Discovery and Data Mining : PAKDD 2005(Springer-Verlag) LNAI3518
  
  Pages: 639-649
- Data Source
  KAKENHI-PROJECT-16300045
[Journal Article] Analysis of Hepatitis Dataset by Using Cl-GBI2004
- Author(s)
  Akira Mogi, Phu Chien Nguyen, Kouzou Ohara, Hiroshi Motoda, Tkashi Washio
- Journal Title
  
  Proc.of Joint Workshop of Vietnamese Society of AI, SIGKBS-JSAI, ICS-IPSJ and IEICE-SIGAI on Active Mining SIG-KBS-A403
  
  Pages: 43-48
- NAID
  110003205565
- Data Source
  KAKENHI-PROJECT-16300045
[Journal Article] Analysis of Hepatitis Dataset by Decision Tree Graph-Based Induction2004
- Author(s)
  K.Ohara
- Journal Title
  
  Prof.of Discovery Challenge Workshop held in conjunction with PKDD-04 Vol.DC04/1
  
  Pages: 173-184
- Data Source
  KAKENHI-PROJECT-16300046
[Journal Article] Constructive Inductive Learning based on Meta-Attributes2004
- Author(s)
  K.Ohara
- Journal Title
  
  Proc.of the 7th International Conference on Discovery Science LNAI-3245
  
  Pages: 142-154
- Data Source
  KAKENHI-PROJECT-16300046
[Journal Article] Analysis of Hepatitis Dataset by Decision Tree Graph-Based Induction2004
- Author(s)
  K.Ohara
- Journal Title
  
  Prof. of Discovery Challenge Workshop held in conjunction with PKDD-04 Vol.DC04/1
  
  Pages: 173-184
- Data Source
  KAKENHI-PROJECT-16700142
[Journal Article] Constructive Inductive Learning based on Meta-Attributes2004
- Author(s)
  K.Ohara
- Journal Title
  
  Proc.of the 7th International Conference on Discovery Science LNAI-3245
  
  Pages: 142-154
- Data Source
  KAKENHI-PROJECT-13131206
[Journal Article] Constructive Inductive Learning based on Meta-Attributes2004
- Author(s)
  K.Ohara
- Journal Title
  
  Proc.of the 7th International Conference on Discovery Science
  
  Pages: 142-154
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16300046
[Journal Article] Constructive Inductive Learning based on Meta-Attributes2004
- Author(s)
  K.Ohara
- Journal Title
  
  Proc. of the 7th International Conference on Discovery Science LNAI-3245
  
  Pages: 142-154
- Data Source
  KAKENHI-PROJECT-16700142
[Journal Article] Using a Hash-Based Method for Apriori-Based Graph Mining2004
- Author(s)
  Phu Chien Nguyen, Takashi Washio, Kouzou Ohara, Hiroshi Motoda
- Journal Title
  
  Proc. of the 8th European Conference on Principles and Practice of Knowledge Discovery in Databases (PKDD2004) LNAI3202
  
  Pages: 349-361
- Data Source
  KAKENHI-PROJECT-16300045
[Journal Article] Analysis of Hepatitis Dataset by Decision Tree Graph-Based Induction2004
- Author(s)
  K.Ohara
- Journal Title
  
  Prof. of Discovery Challenge Workshop held in conjunction with PKDD-04 Vol.DC04/1
  
  Pages: 173-184
- Data Source
  KAKENHI-PROJECT-13131206
[Journal Article] Analysis of Hepatitis Dataset by Decision Tree Graph-Based Induction2004
- Author(s)
  K.Ohara
- Journal Title
  
  Proc.of the Discovery Challenge
  
  Pages: 173-184
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16300046
[Journal Article] Analysis of Hepatitis Dataset by Decision Tree Graph-Based Induction2004
- Author(s)
  K.Ohara
- Journal Title
  
  Proc.of Discovery Challenge
  
  Pages: 173-184
- Description
  「研究成果報告書概要(和文)」より
- Data Source
  KAKENHI-PROJECT-16300046
[Journal Article] Constructing Decision Teee Based on Chunkingless Graph-Based Induction
- Author(s)
  Kouzou Ohara et al.
- Journal Title
  
  Mining Graph Data(Eds : Diane J.Cook and Lawrence B.Holder)(Wiley-Interscience, A John Wiley ＆ Sons, Inc., Publication) Chap.8
  
  Pages: 203-226
- Description
  「研究成果報告書概要(欧文)」より
- Data Source
  KAKENHI-PROJECT-16300045
[Presentation] Maximizing Network Coverage Under the Presence of Time Constraint by Injecting Most Effective k-Links2020
- Author(s)
  Kouzou Ohara, Takayasu Fushimi, Kazumi Saito, Masahiro Kimura, and Hiroshi Motoda
- Organizer
  The 23th international conference on Discovery Science (DS 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11940
[Presentation] Opening and Closing Dynamics of Competing Shop Groups over Spatial Networks2020
- Author(s)
  Takayasu Fushimi, Kazumi Saito, Kouzou Ohara, Masahiro Kimura, and Hiroshi Motoda
- Organizer
  The 2020 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11940
[Presentation] Efficient Computing of PageRank Scores on Exact Expected Transition Matrix of Large Uncertain Graph2020
- Author(s)
  Takayasu Fushimi, Kazumi Saito, Kouzou Ohara, Masahiro Kimura, and Hiroshi Motoda
- Organizer
  The 2020 IEEE International Conference on Big Data (IEEE BigData 2020)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11940
[Presentation] Efficient Identification of Critical Links Based on Reachability Under the Presence of Time Constraint2019
- Author(s)
  Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda
- Organizer
  The 16th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00314
[Presentation] Resampling-Based Framework for Unbiased Estimator of Node Centrality over Large Complex Network2019
- Author(s)
  Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda
- Organizer
  The 22nd International Conference on Discovery Science (DS 2019)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00314
[Presentation] Critical Node Identification Based on Articulation Point Detection for Network with Uncertain Connectivity2018
- Author(s)
  Kouzou Ohara, Kazumi Saito, Masahiro Kimura, Hiroshi Motoda
- Organizer
  The 6th International Symposium on Computing and Networking (CANDAR 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00314
[Presentation] Critical Link Identification Based on Bridge Detection for Network with Uncertain Connectivity2018
- Author(s)
  Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda
- Organizer
  The 24th International Symposium on Methodologies for Intelligent Systems (ISMIS 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00314
[Presentation] Efficient Detection of Critical Links to Maintain Performance of Network with Uncertain Connectivity2018
- Author(s)
  Kazumi Saito, Kouzou Ohara, Masahiro Kimura, Hiroshi Motoda
- Organizer
  The 15th Pacific Rim International Conference on Artificial Intelligence (PRICAI 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00314
[Presentation] 確率的リンク切断モデルの下でのクリティカルリンクの同定2018
- Author(s)
  斉藤和巳，大原剛三，木村昌弘，元田浩
- Organizer
  人工知能学会第114回知識ベースシステム研究会
- Data Source
  KAKENHI-PROJECT-17K00314
[Presentation] An accurate and efficient method to detect critical links to maintain information flow in network2017
- Author(s)
  Kazumi Saito, Kouzou Ohara, Masahiro Kimura, and Hiroshi Motoda
- Organizer
  The 23rd International Symposium on Methodologies for Intelligent Systems (ISMIS 2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00314
[Presentation] Maximizing network performance based on group centrality by creating most effective k-links2017
- Author(s)
  Kouzou Ohara, Kazumi Saito, Masahiro Kimura, and Hiroshi Motoda
- Organizer
  The 4th IEEE International Conference on Data Science and Advanced Analytics (DSAA 2017)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00314
[Presentation] 社会ネットワークにおける影響最大化問題を解く並列分散アルゴリズムの提案2017
- Author(s)
  佐々木亮輔，豊田哲也，大原剛三
- Organizer
  第9回データ工学と情報マネジメントに関するフォーラム（DEIM2017）
- Place of Presentation
  高山グリーンホテル（岐阜県・高山市）
- Year and Date
  2017-03-06
- Data Source
  KAKENHI-PROJECT-26330261
[Presentation] アテンションダイナミクスに基づいたオンラインアイテム群の協調構造の抽出2017
- Author(s)
  松谷貫司，熊野雅仁，木村昌弘，斉藤和己，大原剛三，元田浩
- Organizer
  ARG第11回Webインテリジェンスとインタラクション(WI2)研究会
- Data Source
  KAKENHI-PROJECT-17K00433
[Presentation] 確率モデルを利用したリンク予測手法の提案2017
- Author(s)
  志村海, 大原剛三, 豊田哲也
- Organizer
  人工知能学会第111回知識ベースシステム研究会
- Data Source
  KAKENHI-PROJECT-17K00314
[Presentation] Discovering cooperative structure among online items for attention dynamics2017
- Author(s)
  Kanji Matsutani, Masahito Kumano, Masahiro Kimura, Kazumi Saito, Kouzou Ohara, and Hiroshi Motoda
- Organizer
  2017 IEEE International Conference on Data Mining Workshops (Data science for human performance in social networks)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-17K00433
[Presentation] Accelerating computation of distance based centrality measures for spatial networks2016
- Author(s)
  Kouzou Ohara, Kazumi Saito, Masahiro Kimura and Hiroshi Motoda
- Organizer
  The Nineteenth International Conference on Discovery Science (DS2016)
- Place of Presentation
  Bari (Italy)
- Year and Date
  2016-10-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26330261
[Presentation] アクティビティ評価情報とNMFの融合によるソーシャルメディアの信頼リンク予測2016
- Author(s)
  松谷貫司、熊野雅仁、木村昌弘、斉藤和己、大原剛三、元田浩
- Organizer
  人工知能学会合同研究会2016（2015年度研究会優秀賞　記念講演）
- Place of Presentation
  慶應義塾大学（横浜市港北区）
- Data Source
  KAKENHI-PROJECT-26330352
[Presentation] Resampling-based Gap Analysis for Detecting Nodes with High Centrality on Large Social Network2015
- Author(s)
  Kouzou Ohara, Kazumi Saito, Masahiro Kimura, Hiroshi Motoda
- Organizer
  The Nineteenth Pacific-Asia Conference on Knowledge Discovery and Data Mining (PAKDD2015)
- Place of Presentation
  Ho Chi Minh City (Vietnum)
- Year and Date
  2015-05-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26330261
[Presentation] Combining activity-evaluation information with NMF for trust-link prediction in social media2015
- Author(s)
  Kanji Matsutani, Masahito Kumano, Masahiro Kimura, Kazumi Saito, Kouzou Ohara, and Hiroshi Motoda
- Organizer
  IEEE Big Data 2015 Workshop (Mining Big Data in Social Networks)
- Place of Presentation
  Hyatt Regency Santa Clara Hotel, Santa Clara, CA, USA
- Year and Date
  2015-10-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26330352
[Presentation] 信頼度つきギャップ分析による社会ネットワークからの高中心性ノード群同定2015
- Author(s)
  大原剛三, 斉藤和巳, 木村昌弘, 元田浩
- Organizer
  第29回人工知能学会全国大会（JSAI2015）
- Place of Presentation
  公立はこだて未来大学（北海道・函館市）
- Year and Date
  2015-05-30
- Data Source
  KAKENHI-PROJECT-26330261
[Presentation] アクティビティ評価情報とNMFの融合によるソーシャルメディアの信頼リンク予測2015
- Author(s)
  松谷貫司、熊野雅仁、木村昌弘、斉藤和己、大原剛三、元田浩
- Organizer
  人工知能学会第106回知識ベースシステム研究会(SIG-KBS)
- Place of Presentation
  慶應義塾大学（横浜市港北区）
- Year and Date
  2015-11-12
- Data Source
  KAKENHI-PROJECT-26330352
[Presentation] Change Point Detection for Information Diffusion Tree2015
- Author(s)
  Kouzou Ohara, Kazumi Saito, Masahiro Kimura and Hiroshi Motoda
- Organizer
  The Eighteenth Internatioanal Conference on Discovery Science(DS2015)
- Place of Presentation
  Banff (Canada)
- Year and Date
  2015-10-04
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26330261
[Presentation] Efficient learning of user conformity on review score2015
- Author(s)
  Kazumi Saito, Kouzou Ohara, Masahiro Kimura, and Hiroshi Motoda
- Organizer
  2015 International Conference on Social Computing, Behavioral-Cultural Modeling, & Prediction (SBP15)
- Place of Presentation
  UCDC Center, Washington DC, USA
- Year and Date
  2015-04-01
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26330352
[Presentation] ソーシャルメディアでの信頼ネットワーク進化における媒介者アクティビティ効果の分析2014
- Author(s)
  八田圭斗、熊野雅仁、木村昌弘、斉藤和己、大原剛三、元田浩
- Organizer
  情報処理学会第101回数理モデル化と問題解決(MPS)研究会
- Place of Presentation
  奈良女子大学（奈良県奈良市）
- Year and Date
  2014-12-09
- Data Source
  KAKENHI-PROJECT-26330352
[Presentation] Resampling-based Framework for Estimating Node Centrality of Large Social Network2014
- Author(s)
  Kouzou Ohara, Kazumi Saito, Masahiro Kimura and Hiroshi Motoda
- Organizer
  The 17th International Conference on Discovery Science (DS 2014)
- Place of Presentation
  Bled (Slovenia)
- Year and Date
  2014-10-10
- Data Source
  KAKENHI-PROJECT-26330261
[Presentation] 社会ネットワーク上の強影響度ノード同定のためのリサンプリングに基づく予測シミュレーション法の提案2014
- Author(s)
  大原剛三，斉藤和巳，木村昌弘，元田浩
- Organizer
  2014年度人工知能学会全国大会
- Place of Presentation
  ひめぎんホール別館（愛媛県・松山市）
- Year and Date
  2014-05-15
- Data Source
  KAKENHI-PROJECT-26330261
[Presentation] リサンプリング法に基づくギャップ分析を用いた高中心性ノードの同定2014
- Author(s)
  大原剛三，斉藤和巳，木村昌弘，元田浩
- Organizer
  人工知能学会第103回知識ベースシステム研究会
- Place of Presentation
  慶応大学日吉キャンパス（神奈川県・横浜市）
- Year and Date
  2014-11-20
- Data Source
  KAKENHI-PROJECT-26330261
[Presentation] Detecting Changes in Content and Posting Time Distributions in Social Media2013
- Author(s)
  Kazumi Saito, Kouzou Ohara, Masahiro Kimura, and Hiroshi Motoda
- Organizer
  the 2013 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2013)
- Place of Presentation
  カナダ・ナイアガラフォールズ
- Year and Date
  2013-08-28
- Data Source
  KAKENHI-PROJECT-23700181
[Presentation] Twitter 上の情報拡散系列からの変化点検出2013
- Author(s)
  大原剛三,斉藤和巳,木村昌弘,元田浩
- Organizer
  第27回人工知能学会全国大会(JSAI2013)
- Place of Presentation
  富山国際会議場
- Year and Date
  2013-06-06
- Data Source
  KAKENHI-PROJECT-23700181
[Presentation] ソーシャルネットワーク上での影響を最大化するターゲットノード2013
- Author(s)
  斉藤和己, 木村昌弘, 大原剛三, 元田浩
- Organizer
  人工知能学会第27回全国大会
- Place of Presentation
  富山国際会議場
- Year and Date
  2013-06-06
- Data Source
  KAKENHI-PROJECT-23500194
[Presentation] 時間減衰ダイナミクスをもつ投票者モデルによる意見形成2012
- Author(s)
  木村昌弘, 斉藤和己, 大原剛三, 元田浩
- Organizer
  人工知能学会第26回国大会
- Place of Presentation
  山口県教育会館
- Year and Date
  2012-06-15
- Data Source
  KAKENHI-PROJECT-23500194
[Presentation] 時間減衰ダイナミクスをもつ投票者モデルによる意見形成2012
- Author(s)
  木村昌弘、斉藤和巳、大原剛三、元田浩
- Organizer
  第26回人工知能学会全国大会
- Place of Presentation
  山口県教育会館
- Data Source
  KAKENHI-PROJECT-23500194
[Presentation] 社会ネットワークの構造的特徴量と情報拡散モデルにおける期待影響度の関係について2012
- Author(s)
  大原剛三, 斉藤和巳, 木村昌弘, 元田浩
- Organizer
  人工知能学会第97回知識ベースシステム研究会 (SIG-KBS)
- Place of Presentation
  慶應大学日吉キャンパス来往舎
- Year and Date
  2012-11-15
- Data Source
  KAKENHI-PROJECT-23700181
[Presentation] 情報拡散系列からの効率的なホットスパン検出2011
- Author(s)
  大原剛三, 斉藤和己, 木村昌弘, 元田浩
- Organizer
  人工知能学会第25回全国大会
- Place of Presentation
  アイーナいわて県民情報交流センター
- Year and Date
  2011-06-01
- Data Source
  KAKENHI-PROJECT-23500194
[Presentation] 情報拡散系列からの効率的なホットスパン検出2011
- Author(s)
  大原剛三、斉藤和巳、木村昌弘、元田浩
- Organizer
  第25回人工知能学会全国大会
- Place of Presentation
  アイーナいわて県民情報交流センター
- Data Source
  KAKENHI-PROJECT-23500194
[Presentation] 価値重みつき混合投票者モデルを用いた反多数派オピニオニストの抽出2011
- Author(s)
  木村昌弘、斉藤和巳、大原剛三、元田浩
- Organizer
  第25回人工知能学会全国大会
- Place of Presentation
  アイーナいわて県民情報交流センター
- Data Source
  KAKENHI-PROJECT-23500194
[Presentation] 価値重みつき混合投票者モデルを用いた反多数派オピニオニストの抽出2011
- Author(s)
  木村昌弘, 斉藤和己, 大原剛三, 元田浩
- Organizer
  人工知能学会第25回全国大会
- Place of Presentation
  アイーナいわて県民情報交流センター
- Year and Date
  2011-06-01
- Data Source
  KAKENHI-PROJECT-23500194
[Presentation] Behavioral Analyses of Information Diffusion Models by Observed Data of Social Network2010
- Author(s)
  Kazumi Saito, Masahiro Kimura, Kouzou Ohara, Hiroshi Motoda
- Organizer
  The International Conference on Social Computing, Behavioral Modeling, and Prediction (SBP10)
- Place of Presentation
  アメリカ・アメリカ国立衛生研究所
- Year and Date
  2010-03-31
- Data Source
  KAKENHI-PROJECT-21700167
[Presentation] Selecting Information Diffusion Models over Social Networks for Behavioral Analysis2010
- Author(s)
  Kazumi Saito, Masahiro Kimura, Kouzou Ohara, Hiroshi Motoda
- Organizer
  The European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases 2010 (ECML/PKDD2010)
- Place of Presentation
  スペイン・バルセロナ自治大学
- Year and Date
  2010-09-22
- Data Source
  KAKENHI-PROJECT-21700167
[Presentation] Learning Continuous-Time Information Diffusion Model for Social Behavioral Data Analysis2009
- Author(s)
  Kazumi Saito, Masahiro Kimura, Kouzou Ohara, Hiroshi Motoda
- Organizer
  The 2nd Asian Conference on Machine Learning (ACML2010)
- Place of Presentation
  中国・南京大学
- Year and Date
  2009-11-03
- Data Source
  KAKENHI-PROJECT-21700167
[Presentation] 部分グラフ同型性判定のためのグラフスペクトル最適化手法2009
- Author(s)
  グェンズィヴィン, 大原剛三, 鷲尾隆
- Organizer
  第9回人工知能学会データマイニングと統計数理研究会(SIG-DMSM)
- Place of Presentation
  京都・メルパルク京都
- Year and Date
  2009-03-04
- Data Source
  KAKENHI-PROJECT-19700145
[Presentation] Isomorphism Identification by Using Graph Spectra and Its application to Graph Mining2008
- Author(s)
  Kouzou Ohara, Takashi Washio
- Organizer
  Proc. of IASC2008 : 4th World Conference of the International Association for Statistical Computing
- Place of Presentation
  Yokohama, Japan(Invited)
- Year and Date
  2008-12-06
- Data Source
  KAKENHI-PROJECT-19024048
[Presentation] Isomorphism Identification by Using Graph Spectra and Its Application to Graph Mining2008
- Author(s)
  Kouzou Ohara, et.al.
- Organizer
  Joint Meeting of 4th World Conf. of the IASC and 6th Conf. of the Asia Regional Section of the IASC on Com putational Statistics & Data Analysis (IASC2008)
- Place of Presentation
  神奈川・パシフィコ横浜
- Year and Date
  2008-12-06
- Data Source
  KAKENHI-PROJECT-19700145
[Presentation] On Feasibility of Graph Spectrum-based Frequent Sub-graph Mining2008
- Author(s)
  Kouzou Ohara, et.al.
- Organizer
  The 3rd International Symposium on Data-Mining and Statistical Science (DMSS2008)
- Place of Presentation
  東京・東工大男岡山キャンパス
- Year and Date
  2008-09-25
- Data Source
  KAKENHI-PROJECT-19700145
[Presentation] Isomorphism Identification by Using Graph Spectra and Its application to Graph Mining2008
- Author(s)
  Kouzou Ohara, Takashi Washio
- Organizer
  Proc. of IASC2008 : 4th World Conference of the International Association for Statistical Computing (Invited)
- Place of Presentation
  Yokohama, Japan
- Year and Date
  2008-12-06
- Data Source
  KAKENHI-PROJECT-19200013
[Presentation] On Feasibility of Graph Spectrum-based Frequent Sub-graph Mining2008
- Author(s)
  Kouzou Ohara, Takashi Washio, Duy Vinh Nguyen
- Organizer
  Proc. of DMSS2008 : the International Workshop on Data Mining and Statistical Science
- Place of Presentation
  Tokyo, Japan
- Year and Date
  2008-09-25
- Data Source
  KAKENHI-PROJECT-19200013
[Presentation] グラフスペクトルを用いた高効率・高精度なグラフ同型性判定方法の検討2008
- Author(s)
  大原剛三
- Organizer
  第6回人工知能学会データマイニングと統計数理研究会
- Place of Presentation
  大阪・大阪大学大学中之島センター
- Year and Date
  2008-02-29
- Data Source
  KAKENHI-PROJECT-19700145
[Presentation] グラフスペクトルを用いた大規模頻出部分グラフマイニング2008
- Author(s)
  Nguyen Vinh duy, 大原剛三, 鷲尾隆
- Organizer
  2008年度人工知能学会全国大会(第22回)
- Place of Presentation
  北海道旭川市
- Year and Date
  2008-06-13
- Data Source
  KAKENHI-PROJECT-19024048
[Presentation] Isomorphism Identification by Using Graph Spectra and Its Application to Graph Mining2008
- Author(s)
  Kouzou Ohara, Takashi Washio
- Organizer
  Joint Meeting of 4th World Conf. of the IASC and 6th Conf. of the Asia Regional Section of the IASC on Computational Statistics & Data Analysis (IASC2008)
- Place of Presentation
  神奈川・パシフィコ横浜
- Year and Date
  2008-12-06
- Data Source
  KAKENHI-PROJECT-19700145
[Presentation] Isomorphism Identification by Using Graph Spectra and Its Application to Graph Mining2008
- Author(s)
  K. Ohara, T. Washio
- Organizer
  Proc. of IASC2008: the Joint Meeting of 4th World Conf. of the IASC and 6th Conference of the Asian Regional Section of the IASC on Computational Statistics & Data Analysis
- Place of Presentation
  Yokohama(Kanagawa)
- Year and Date
  2008-12-06
- Data Source
  KAKENHI-PROJECT-19200013
[Presentation] グラフスペクトルを用いた大規模頻出部分グラフマイニング2008
- Author(s)
  Nguyen Vinh duy, 大原剛三, 鷲尾隆
- Organizer
  2008年度人工知能学会全国大会(第22回)
- Place of Presentation
  北海道旭川市
- Year and Date
  2008-06-13
- Data Source
  KAKENHI-PROJECT-19200013
[Presentation] On Feasibility of Graph Spectrum-based Frequent Sub-graph Mining2008
- Author(s)
  Kouzou Ohara, Takashi Washio, Duy Vmh Nguyen
- Organizer
  Proc. of DMSS2008 : the International Workshop on Data Mining and Statistical Science
- Place of Presentation
  Tokyo, Japan
- Year and Date
  2008-09-25
- Data Source
  KAKENHI-PROJECT-19024048
[Presentation] Pruning Strategies based on the Upper Bound of Information Gain for Discriminative Subgraph Mining2008
- Author(s)
  Kouzou Ohara, Masahiro Hara, Kiyoto Takabayashi, Hiroshi Motoda, Takashi Washio
- Organizer
  The 2008 Pacific Rim Knowledge Acquisition Workshop (PKAW2008)
- Place of Presentation
  ベトナム・ハノイ工科大学
- Year and Date
  2008-12-16
- Data Source
  KAKENHI-PROJECT-19700145
[Presentation] 大規模グラフにおける近似部分グラフ検索手法2007
- Author(s)
  大原剛三, 鷲尾隆
- Organizer
  2007年度人工知能学会全国大会
- Place of Presentation
  宮崎・ワールドコンベンションセンターサミット
- Year and Date
  2007-06-22
- Data Source
  KAKENHI-PROJECT-19700145
[Presentation] 情報利得値の上界に着目した特徴的部分グラフの効率的なマイニング2007
- Author(s)
  高林健登, 原昌弘, 大原剛三, 元田浩, 鷲尾隆
- Organizer
  2007年度人工知能学会全国大会
- Place of Presentation
  宮崎・ワールドコンベンションセンターサミット
- Year and Date
  2007-06-22
- Data Source
  KAKENHI-PROJECT-19700145
[Presentation] ソーシャルネットワーク上での影響を最大化するターゲットノード
- Author(s)
  斉藤和巳、木村昌弘、大原剛三、元田浩
- Organizer
  第27回人工知能学会全国大会
- Place of Presentation
  富山国際会議場
- Data Source
  KAKENHI-PROJECT-23500194
[Presentation] Predictive Simulation Framework of Stochastic Diffusion Model for Identifying Top-K
- Author(s)
  Kouzou Ohara
- Organizer
  The 5th Asian Conference on Machine Learning (ACML2013)
- Place of Presentation
  Australian National University (Canberra, Australia)
- Data Source
  KAKENHI-PROJECT-23700181
[Presentation] 情報拡散モデルに基づくツィート系列からのバースト期間検出
- Author(s)
  大原剛三
- Organizer
  第3回ソーシャルコンピューティングシンポジウム (Soc2012)
- Place of Presentation
  青山学院アスタジオ
- Data Source
  KAKENHI-PROJECT-23700181
[Presentation] Twitter上の情報拡散系列からの変化点検出
- Author(s)
  大原剛三
- Organizer
  2013年度人工知能学会全国大会
- Place of Presentation
  富山国際会議場
- Data Source
  KAKENHI-PROJECT-23700181
[Presentation] 情報拡散モデルにおける入出次数相関と期待影響度の関係について
- Author(s)
  大原剛三
- Organizer
  2012年度人工知能学会全国大会
- Place of Presentation
  山口県教育会館
- Data Source
  KAKENHI-PROJECT-23700181
[Presentation] Detecting Changes in Content and Posting Time Distributions in Social Media
- Author(s)
  Kouzou Ohara
- Organizer
  The 2013 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining（ASONAM2013）
- Place of Presentation
  Sheraton on the falls (Niagara Falls, Canada)
- Data Source
  KAKENHI-PROJECT-23700181

1. WASHIO Takashi (00192815)

# of Collaborated Projects: 7 results

# of Collaborated Products: 25 results
2. KIMURA MASAHIRO (10396153)

# of Collaborated Projects: 6 results

# of Collaborated Products: 60 results
3. SAITO Kazumi (80379544)

# of Collaborated Projects: 6 results

# of Collaborated Products: 60 results
4. BABAGUCHI Noboru (30156541)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
5. MOTODA Hiroshi (00283804)

# of Collaborated Projects: 4 results

# of Collaborated Products: 13 results
6. INOKUCHI Akihiro (70452456)

# of Collaborated Projects: 4 results

# of Collaborated Products: 0 results
7. SHIBATA Fumihisa (80314425)

# of Collaborated Projects: 3 results

# of Collaborated Products: 0 results
8. YOSHIDA Tetsuya (80294164)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
9. KITAHASHI Tadahiro (70029453)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
10. 矢田勝俊 (00298811)

# of Collaborated Projects: 2 results

# of Collaborated Products: 0 results
11. KANO Yutaka (20201436)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. IMOTO Seiya (10345027)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. TERMIER Alexandlre (60435823)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. SHIMIZU Shohei (10509871)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
15. KAWAHARA Yoshinobu (00514796)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
16. SAKUTA Hiroshi (10170630)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
17. DAN Seiichiro (00207276)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
18. YAGI Yasufumi (60231643)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
19. YAMAZAWA Kazumasa (40283931)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. YOKOYA Naokazu (10252834)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. TUBAO Ho (60301199)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 鷲見和彦 (90372573)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 岡田昌章 (60169117)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
24. 長谷川大 (30633268)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
25. 湯浅且敏 (80623769)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
26. 安彦智史 (90560475)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
27. 伏見卓恭 (80755702)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
28. YAMAOKA Masaki

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
29. TERMIER Alexandre

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

OHARA Kouzou 大原 剛三

大原 剛三 オオハラ コウゾウ

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Extraction of Important Nodes/Links under Time Constraints in Uncertain NetworksPrincipal Investigator

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Identifying Critical Links for Minimizing Loss of Information over Large NetworksPrincipal Investigator

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Developing Predictive Simulation Framework with Confidence Level for Stochastic Process and Its Application to Knowledge DiscoveryPrincipal Investigator

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Extraction of multiple communities based on information diffusion results on a large social networkPrincipal Investigator

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Closed Frequent Subgraph Mining by Graph Closure Operation and Its ParallelizationPrincipal Investigator

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Development of Graph Mining Method Using Domain Knowledge as ConstraintsPrincipal Investigator

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OHARA Kouzou 大原剛三

大原剛三オオハラコウゾウ