SAGA RYOSUKE 佐賀亮介

… Alternative Names

佐賀亮介サガリョウスケ

SAGA Ryousuke 佐賀亮介

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Researcher Number	10509178
Other IDs	https://orcid.org/0000-0003-1528-6534
Affiliation (Current)	2025: 大阪公立大学, 大学院情報学研究科 , 准教授
Affiliation (based on the past Project Information) *help	2022 – 2023: 大阪公立大学, 大学院情報学研究科, 准教授 2016 – 2019: 大阪府立大学, 人間社会システム科学研究科, 准教授 2013 – 2016: 大阪府立大学, 工学(系)研究科(研究院), 准教授 2013: 大阪府立大学, 大学院・工学研究科, 助教 2011 – 2012: 大阪府立大学, 工学(系)研究科(研究院), 助教 2009 – 2010: Kanagawa Institute of Technology, 情報学部, 助教
Review Section/Research Field	Principal Investigator System engineering / Basic Section 61020:Human interface and interaction-related / Social systems engineering/Safety system / Control engineering/System engineering Except Principal Investigator Web informatics, Service informatics / Software
Keywords	Principal Investigator 情報可視化 / 可視化 / テキストマイニング / 情報システム / ネットワーク可視化 / 知識処理 / データマイニング / トレンド分析 / システム情報(知識)処理 / 計算知能 … More / 進化計算 / 美的価値 / 辺束化 / ソフトコンピューティング / 知識 / ビッグデータ解析 / グラフ分析 / 情報フィルタリング / データ工学 / 因果関係分析 / アソシエーションルール / 逐次確率比検定 / 時系列分析 / 時系列情報可視化 … More Except Principal Investigator システムモデル / 知識創造 / 脳計測 / 顧客行動 / 価値共創 / サービス価値創造 / サービス属性 / 場 / サービス場 / 情報システム / システム工学 / Society5.0 / 感性情報 / 価値共創プロセス / サービス価値 / 脳科学 / 社会サービスシステム / 意思決定 / 共創プロセス / サービスイノベーション / 価値創造 / サービスシステム / オフショアソフトウェア開発 / 成熟度モデル / 知識管理 / データマイニング / 国際情報交換 / 国際研究者交流 / オフショア・ソフトウェア開発 / リスク管理 Less

Edge Bundling and Node Layout by evoluational computation based on aethentic valuePrincipal Investigator
- Principal Investigator
  
  佐賀亮介
- Project Period (FY)
  2022 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 61020:Human interface and interaction-related
- Research Institution
  Osaka Metropolitan University
Development of visualization and analysis system for multiple graphPrincipal Investigator
- Principal Investigator
  
  Saga Ryosuke
- Project Period (FY)
  2016 – 2019
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Social systems engineering/Safety system
- Research Institution
  Osaka Prefecture University
Research on a dynamic service value co-creation system model
- Principal Investigator
  
  Funabashi Motohisa
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Research Field
  
  Web informatics, Service informatics
- Research Institution
  Japan Advanced Institute of Science and Technology
Study of information multiple graph integrated visualization systems based on multiple viewpoints and perceptionsPrincipal Investigator
- Principal Investigator
  
  Saga Ryosuke
- Project Period (FY)
  2013 – 2016
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Control engineering/System engineering
- Research Institution
  Osaka Prefecture University
Risk Management for Offshore Software Develop,emt
- Principal Investigator
  
  TSUJI HIROSHI
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Software
- Research Institution
  Osaka Prefecture University
Time-series Expression by Graph Integration and Rule mining for Tend Visualization MethodPrincipal Investigator
- Principal Investigator
  
  SAGA Ryosuke
- Project Period (FY)
  2011 – 2012
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  System engineering
- Research Institution
  Osaka Prefecture University
Verification of the availability of visualization method for time-series data and development of analysis methodologyPrincipal Investigator
- Principal Investigator
  
  SAGA Ryousuke
- Project Period (FY)
  2009 – 2010
- Research Category
  
  Grant-in-Aid for Young Scientists (B)
- Research Field
  
  System engineering
- Research Institution
  Kanagawa Institute of Technology

[Journal Article] Simultaneous Optimization of Edge Bundling and Node Layout Using Genetic Algorithm2024
- Author(s)
  Meikari Junsei、Saga Ryosuke
- Journal Title
  
  Proceedings of 15th International Conference on Information Visualization Theory and Applications
  
  Volume: 1 Pages: 741-748
- DOI
  10.5220/0012574200003660
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12116
[Journal Article] Evolutionary-Edge Bundling with Concatenation Process of Control Points2023
- Author(s)
  Saga Ryosuke、Baek Jaeyoung
- Journal Title
  
  Computer Science Research Notes - CSRN 3301
  
  Volume: 3301 Pages: 284-291
- DOI
  10.24132/csrn.3301.33
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12116
[Journal Article] Preliminary Survey for Multigraph Integration and Visualization Framework2018
- Author(s)
  Ryosuke Saga
- Journal Title
  
  HCI International 2017 Posters' Extended Abstracts
  
  Volume: 714 Pages: 1-5
- DOI
  10.1007/978-3-319-58753-0_84
- ISBN
  9783319587523, 9783319587530
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K01250
[Journal Article] Improvement Method for Topic-Based Path Model by Using Word2vec2018
- Author(s)
  Ryosuke Saga, Shoji Nohara
- Journal Title
  
  Transactions on Engineering Technologies
  
  Volume: 111 Pages: 325-335
- DOI
  10.1007/978-981-10-7488-2_24
- ISBN
  9789811074875, 9789811074882
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K01250
[Journal Article] Visual Analysis for Overcoming Population Decline and Vitalizing Local Economy in Japan2018
- Author(s)
  Ryosuke Saga
- Journal Title
  
  Communications in Computer and Information Science
  
  Volume: 850 Pages: 109-114
- DOI
  10.1007/978-3-319-92270-6_15
- ISBN
  9783319922690, 9783319922706
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K01250
[Journal Article] Network Visualization of customer expectation using Web in coffee service2017
- Author(s)
  Ryosuke Saga, Toshimasa Yagi
- Journal Title
  
  Artificial Life and Robotics
  
  Volume: 111 Issue: 2 Pages: 597-601
- DOI
  10.1007/s10015-018-0425-2
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16K01250
[Journal Article] Finding division points for a time series corpus based on structural change point detection2016
- Author(s)
  Hiroshi Kobayashi, Ryosuke Saga
- Journal Title
  
  Artificial Life and Robotics
  
  Volume: 1 Issue: 2 Pages: 1-5
- DOI
  10.1007/s10015-016-0271-z
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] Proposal of Chance Index in Co-occurrence Network2016
- Author(s)
  Yukihiro Takayama, Ryosuke Saga
- Journal Title
  
  Electronics and Communications
  
  Volume: 99 Issue: 12 Pages: 644-650
- DOI
  10.1002/ecj.11914
- NAID
  130005072632
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] LDA-based path model construction process for structure equation modeling2016
- Author(s)
  Ryosuke Saga, Rikuto Kunimoto
- Journal Title
  
  Artificial Life and Robotics
  
  Volume: March Issue: 2 Pages: 1-5
- DOI
  10.1007/s10015-016-0270-0
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25240049, KAKENHI-PROJECT-25420448
[Journal Article] Purchase Factor Expression for Game Software Using Structural Equation Modeling with Topic Model in User’s Review Texts2015
- Author(s)
  Rikuto Kunimoto,　Ryosuke Saga
- Journal Title
  
  International Journal of Innovation, Management and Technology
  
  Volume: 5 Pages: 417-421
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25240049
[Journal Article] Multi-type Edge Bundling in Force-Directed Layout and Evaluation2015
- Author(s)
  Ryosuke Saga, Takafumi Yamashita
- Journal Title
  
  Procedia Computer Science
  
  Volume: 60 Pages: 1763-1771
- DOI
  10.1016/j.procs.2015.08.286
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] 共起ネットワークにおけるチャンス指標の提案2015
- Author(s)
  高山幸大, 佐賀亮介
- Journal Title
  
  電気学会論文誌C
  
  Volume: -
- NAID
  130005072632
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25240049
[Journal Article] Factor Analysis for Game Software Using Structural Equation Modeling with Hierarchical Latent Dirichlet Allocation in User’s Review Comments2015
- Author(s)
  Rikuto Kunimoto, Hiroshi Kobayashi, Ryosuke Saga
- Journal Title
  
  International Journal of Knowledge Engineering
  
  Volume: 1 Issue: 1 Pages: 54-58
- DOI
  10.7763/ijke.2015.v1.9
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] Edge Bundling in Multi-attributed Graphs2015
- Author(s)
  Takafumi Yamashita, Ryosuke Saga
- Journal Title
  
  Lecture Note in Computer Science
  
  Volume: 9172 Pages: 138-147
- DOI
  10.1007/978-3-319-20612-7_14
- ISBN
  9783319206110, 9783319206127
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] 共起ネットワークにおけるチャンス指標の提案2015
- Author(s)
  高山幸大,佐賀亮介
- Journal Title
  
  電気学会論文誌C
  
  Volume: 6
- NAID
  130005072632
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] Proposal of Chance Index in Co-occurrence Visualized Network2015
- Author(s)
  Yukihiro Takayama, Ryosuke Saga
- Journal Title
  
  International Journal of Knowledge Engineering
  
  Volume: 1 Issue: 1 Pages: 78-82
- DOI
  10.7763/ijke.2015.v1.14
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] Proposed Optimal Growth Pathfinding Method Based on Growth Trajectories2015
- Author(s)
  N. Woyuan, R. Saga, H. Tsuji and Y. Majima
- Journal Title
  
  International Journal of Knowledge and Systems Science
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25240049
[Journal Article] hLDAとSEMを用いたユーザによるゲームソフト評価に関する要因分析2015
- Author(s)
  国本陸斗、　佐賀　亮介
- Journal Title
  
  電気学会論文誌C
  
  Volume: 6
- NAID
  130005072631
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] Relearning Process for SPRT in Structural Change Detection of Time-Series Data2014
- Author(s)
  Ryosuke Saga, Naoki Kaisaku, Hiroshi Tsuji
- Journal Title
  
  Annals of Information Systems, Special Issue on Real World Data Mining Applications
  
  Volume: 印刷中
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Finding Division Points for Time-Series Corpus Based on Topic Changes2014
- Author(s)
  Hiroshi Kobayashi, Ryosuke Saga
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 8521 Pages: 364-372
- DOI
  10.1007/978-3-319-07731-4_37
- ISBN
  9783319077307, 9783319077314
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] 成熟過程の可視化によるオフショアソフトウェア開発の分析2014
- Author(s)
  一ノ坪剛生, 青木駿介, 佐賀亮介, 辻洋
- Journal Title
  
  電学論C
  
  Volume: Vol.134, No.1 Pages: 148-155
- NAID
  130003382803
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500049
[Journal Article] Purchase Factor Expression for Game Software Using Structural Equation Modeling with Topic Model in User’s Review Texts2014
- Author(s)
  Rikuto Kunimoto, Ryosuke Saga
- Journal Title
  
  International Journal of Innovation, Management and Technology
  
  Volume: 5 Issue: 6 Pages: 417-421
- DOI
  10.7763/ijimt.2014.v5.551
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] 成熟過程の可視化によるオフショアソフトウェア開発の分析2014
- Author(s)
  一ノ坪剛生、青木駿介、佐賀亮介、辻　洋
- Journal Title
  
  電学論C
  
  Volume: １３４-1 Pages: 148-155
- NAID
  130003382803
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500049
[Journal Article] Measurement Evaluation of Keyword Extraction Based on Topic Coverage2014
- Author(s)
  Ryosuke Saga, Hiroshi Kobayashi, Takao Miyamoto, Hiroshi Tsuji
- Journal Title
  
  Communications in Computer and Information Science
  
  Volume: 434 Pages: 224-227
- DOI
  10.1007/978-3-319-07857-1_40
- ISBN
  9783319078564, 9783319078571
- Peer Reviewed / Acknowledgement Compliant
- Data Source
  KAKENHI-PROJECT-25420448
[Journal Article] Improvement of Factor Model with Text Information Based on Factor Model Construction Process2013
- Author(s)
  Ryosuke Saga, Tetsuya Fujita, Kodai Kitami, Kazunori Matsumoto
- Journal Title
  
  Frontiers in Artificial Intelligence and Applications
  
  Volume: 254 Pages: 222-230
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Improved Keyword Extraction by Separation into Multiple Document Sets According to Time Series2013
- Author(s)
  Ryosuke Saga, Hiroshi Tsuji
- Journal Title
  
  Communications in Computer and Information Science
  
  Volume: 374 Pages: 450-453
- DOI
  10.1007/978-3-642-39476-8_91
- ISBN
  9783642394751, 9783642394768
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Design of Personal Spiral Conjoint Analysis2013
- Author(s)
  Dennis Castel, Ryosuke Saga, Hiroshi Tsuji
- Journal Title
  
  Design of Personal Spiral Conjoint Analysis
  
  Volume: 12 Pages: 234-243
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500049
[Journal Article] Dependency extraction from growth trajectory using sequential pattern2013
- Author(s)
  S. Aoki, R. Saga, T. Ichinotsubo, W. Niu, and H. Tsuji
- Journal Title
  
  13th International Conference on Knowledge Management and Knowledge Technologies, i-KNOW
  
  Pages: 1-6
- DOI
  10.1145/2494188.2494197
- NAID
  10031161059
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500049
[Journal Article] 4. Visualization analysis of e-commerce site from web access log by FACT-Graph and Sequential Probability Rratio Test2013
- Author(s)
  Ryosuke Saga, Mauricio Letelier, Naoki Kaisaku, Yukihiro Takayama, Hiroshi Tsuji
- Journal Title
  
  KES Journal
  
  Volume: 17 Issue: 2 Pages: 145-155
- DOI
  10.3233/kes-130259
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Trajectory Mining on Capability Space -　Its Concept and Potential Application2013
- Author(s)
  Hiroshi TSUJI, Ryosuke SAGA, Amrit TIWANA and Dietrich ALBERT
- Journal Title
  
  Hawaii International Conference on System Sciences
  
  Volume: 1 Pages: 3705-3713
- DOI
  10.1109/hicss.2013.572
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23500049
[Journal Article] Design of Personal Spiral Conjoint Analysis2013
- Author(s)
  Dennis Castel, Ryosuke Saga, Hiroshi Tsuji
- Journal Title
  
  Industrial Engineering and Management Systems
  
  Volume: 12 Pages: 234-243
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-25240049
[Journal Article] Visualization analysis of e-commerce site from web access log by FACT-Graph and sequential probability ratio test2013
- Author(s)
  Ryosuke Saga, Mauricio Letelier, Naoki Kaisaku, Yukihiro Takayama, Hiroshi Tsuji
- Volume
  Vol. 17, No. 2
- Pages
  145-155
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Knowledge Discovery in Web Access Log of E-commerce Site with FACT-Graph and Sequential Probability Ratio Test2012
- Author(s)
  Ryosuke Saga, Mauricio Letelier, Naoki Kaisaku, Yukihiro Takayama, and Hiroshi Tsuji
- Journal Title
  
  Advances in Knowledge-Based and Intelligent Information and Engineering Systems
  
  Volume: Vol. 243 Pages: 2080-2089
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Comparison Analysis for Text Data by Integrating Two FACT-Graphs, Intelligent Interactive Multimedia2012
- Author(s)
  Ryosuke Saga, Hiroshi Tsuji
- Journal Title
  
  Systems and Services Smart Innovation, Systems and Technologies
  
  Volume: Vol. 14 Pages: 143-151
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Comparison Analysis for Text Data by Integrating Two FACT-Graphs2012
- Author(s)
  R. Saga and H. Tsuji
- Journal Title
  
  Intelligent Interactive Multimedia: Systems and Services Smart Innovation, Systems and Technologies
  
  Volume: 14 Pages: 143-151
- DOI
  10.1007/978-3-642-29934-6_14
- ISBN
  9783642299339, 9783642299346
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Comparison Analysis for Text Data by Using FACT-Graph2011
- Author(s)
  Ryosuke Saga, Seiko Takamizawa, Kodai Kitami, Hiroshi Tsuji, Kazunori Matsum oto
- Journal Title
  
  Lecture Notes in Computer Science Vol.6772
  
  Pages: 75-83
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21760305
[Journal Article] Comparison Analysis for Text Data by Using FACT-Graph2011
- Author(s)
  Ryosuke Saga, Seiko Takamizawa, Kodai Kitami, Hiroshi Tsuji and Kazunori Matsumoto
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 6772 Pages: 75-83
- DOI
  10.1007/978-3-642-21669-5_10
- ISBN
  9783642216688, 9783642216695
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Comparison Analysis for Text Data by Using FACT-Graph2011
- Author(s)
  R.Saga, S.Takamizawa, K.Kitami, H.Tsuji, K.Matsumoto
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 6772 Pages: 75-83
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21760305
[Journal Article] Verification of centrality to extract proper factors in model construction process by using creativity technique2011
- Author(s)
  K.Kitami, R.Saga, K.Matsumoto
- Journal Title
  
  Lecture Notes in Communications in Computer and Information Science
  
  Volume: 173 Pages: 43-47
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21760305
[Journal Article] FACT-Graph in Web Log Data2011
- Author(s)
  Ryosuke Saga, Takao Miyamoto, Hiroshi Tsuji and Kazunori Matsumoto
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 6884 Pages: 271-279
- DOI
  10.1007/978-3-642-23866-6_29
- ISBN
  9783642238659, 9783642238666
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Visualized Preference Transition Network Based on Recency and Frequency2011
- Author(s)
  Farid Masruri, Hiroshi Tsuji and Ryosuke Saga
- Journal Title
  
  Industrial Engineering ＆ Management Systems
  
  Volume: 10 Pages: 238-246
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Verification of Centrality to Extract Proper Factors in Model Construction Process by Using Creativity Technique2011
- Author(s)
  Kodai Kitami, Ryosuke Saga and Kazunori Matsumoto
- Journal Title
  
  Communications in Computer and Information Science
  
  Volume: 173 Pages: 43-47
- DOI
  10.1007/978-3-642-22098-2_9
- ISBN
  9783642220975, 9783642220982
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] 創造的開発技法を用いた消費者意見からの購入要因の抽出および定量化2011
- Author(s)
  R.Saga, H.Tsuji, T.Miyamoto, K.Tabata
- Journal Title
  
  神奈川工科大学紀要
  
  Volume: 35 Pages: 45-55
- NAID
  120003934759
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21760305
[Journal Article] Comparison Analysis of Video Game Purchase Factors between Japanese and American Consumers2011
- Author(s)
  Kodai Kitami, Ryosuke Saga and Kazunori Matsumoto
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 6883 Pages: 285-294
- DOI
  10.1007/978-3-642-23854-3_30
- ISBN
  9783642238536, 9783642238543
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Development and Case Study of Trend Analysis Software Based on FACT-Graph2010
- Author(s)
  R.Saga, H.Tsuji, T.Miyamoto, K.Tabata
- Journal Title
  
  Journal of Artificial Life and Robotics
  
  Volume: 15 Pages: 234-238
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21760305
[Journal Article] Development and Case Study of Trend Analysis Software Based on FACT-Graph2010
- Author(s)
  Ryosuke Saga, Hiroshi Tsuji, Takao Miyamoto, Kuniaki Tabata
- Journal Title
  
  Journal of Artificial Life and Robotics Vol.15
  
  Pages: 234-238
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21760305
[Journal Article] Integrated Text Miner for FactGraph-based Trend Analysis2009
- Author(s)
  Ryosuke Saga, Hiroshi Tsuji, Kuniaki Tabata, Loopo
- Journal Title
  
  Lecture Notes on Computer Science Vol.5618
  
  Pages: 192-200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21760305
[Journal Article] Loopo : Integrated Text Miner for FactGraph-based Trend Analysis2009
- Author(s)
  Ryosuke Saga, Hiroshi Tsuji, Kuniaki Tabata
- Journal Title
  
  Lecture Notes on Computer Science (LNCS5618 : Human Interface, Part II)
  
  Pages: 192-200
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21760305
[Journal Article] Competition state Visualization Technique for Sales and its Application2009
- Author(s)
  Yoshihiro Hayashi, Ryosuke Saga, Hiroshi Tsuji
- Journal Title
  
  Opportunities and Challenges for Next-Generation Applied Intelligence3
  
  Pages: 335-340
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-21760305
[Journal Article] Improvement of Factor Model with Text Information Based on Factor Model Construction Process
- Author(s)
  Ryosuke Saga, Tetsuya Fujita, Kodai Kitami, Kazunori Matsumoto
- Journal Title
  
  Intelligent Interactive Multimedia Systems and Services
  
  Volume: Vol. 254 Pages: 222-230
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Journal Article] Relearning Process for SPRT in Structural Change Detection of Time-Series Data
- Author(s)
  Ryosuke Saga, Naoki Kaisaku, and Hiroshi Tsuji
- Journal Title
  
  Annals of Information Systems
  
  Volume: (To Appear)
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Edge Bundling by Density-based Pathfinding Approach2022
- Author(s)
  Ryosuke Saga, Tomoki Yoshikawa, Tomoharu Nakashima
- Organizer
  GD2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12116
[Presentation] Evolutionary Node Layout and Edge Bundling2022
- Author(s)
  Junsei Meikari, Ryosuke Saga
- Organizer
  CEC 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K12116
[Presentation] A Genetic Algorithm Optimising Control Point Placement for Edge Bundling2020
- Author(s)
  Ryosuke Saga, Tomoki Yoshikawa, Ken Wakita, Ken Sakamoto, Gerald Schaefer, Tomoharu Nakashima
- Organizer
  12th International Conference on Information Visualization Theory and Applications
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Proposal of Quantitative Evaluation for Multi-type Edge Bundling based on Color Distribution2019
- Author(s)
  Ryosuke Saga
- Organizer
  Intl. Symposium on Artificial Life and Robotics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] A Review on Quality Assessment Metrics for Edge Bundling Techniques2019
- Author(s)
  Ken Sakamoto, Ryosuke Saga, Ken Wakita
- Organizer
  IEEE PacificVis 2019
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] サービス事前期待のネットワーク可視化上への評価影響度情報の付与2019
- Author(s)
  富川　数馬、佐賀　亮介
- Organizer
  第７回サービス学会国内大会
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Text-based Causality Modeling with Emotional Information Embedded in Hierarchic Topic Structure2019
- Author(s)
  Takuro Ogawa, Ryosuke Saga
- Organizer
  The 9th International Conference on Social Media Technologies, Communication, and Informatics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Quantitative Evaluation of Multi-Type Edge Bundling - Example for Japan Airmap2018
- Author(s)
  Ryosuke Saga
- Organizer
  Information Visualization Theory and Applications 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Correlation analysis between human feeling and quantitative evaluation criteria2018
- Author(s)
  Ryosuke Saga
- Organizer
  International Symposium on Artificial Life and Robotics 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Network visualization of customer expectation using Web in coffee service2018
- Author(s)
  Ryosuke Saga, Toshimasa Yagi
- Organizer
  International Symposium on Artificial Life and Robotics
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Validation of Quantitative Measures for Edge Bundling by Comparing with Human Feeling2018
- Author(s)
  Ryosuke Saga
- Organizer
  Intl. Conf. on 20th EG/VGTC Conf. on Visualization
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Visual Analysis for Overcoming Population Decline and Vitalizing Local Economy in Japan2018
- Author(s)
  Ryosuke Saga
- Organizer
  20th International Conference on Human-Computer Interaction 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Visualization of Customer Expectation from Web Text using Co-occurrence Graph and Auto-labeling in the service Market2017
- Author(s)
  Ryosuke Saga, Naoaki Ohkusa, Takafumi Yamashita, Nahomi Maki
- Organizer
  The International Conference on Information Visualization Theory and Applications
- Place of Presentation
  Porto Portugal
- Year and Date
  2017-02-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Cluster-Based Edge Bundling based on a Line Graph2017
- Author(s)
  Takafumi Yamashita, Ryosuke Saga
- Organizer
  The International Conference on Information Visualization Theory and Applications
- Place of Presentation
  Porto Portugal
- Year and Date
  2017-02-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Preliminary Survey for Multigraph Integration and Visualization Framework2017
- Author(s)
  Ryosuke Saga
- Organizer
  19th International Conference on Human-Computer Interaction 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Visualization of Customer Expectation from Web Text using Co-occurrence Graph and Auto-labeling in the Servies Market2017
- Author(s)
  Ryosuke Saga, Naoaki Ohkusa , Takafumi Yamashita , Nahomi Maki
- Organizer
  International Conference on Information Visualization Theory and Applications 2017
- Place of Presentation
  Porto Gaia PORTUGAL
- Year and Date
  2017-02-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Proposal of network visualization of customer expectation by using Web2017
- Author(s)
  Ryosuke Saga
- Organizer
  International Symposium on Artificial Life and Robotics 22nd 2017
- Place of Presentation
  Beppu OHITA
- Year and Date
  2017-01-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Preliminary Visual Analysis for Overcoming Population Decline and Vitalizing Local Economy in Japan2017
- Author(s)
  Ryosuke Saga
- Organizer
  Asian Conference for Information Science 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Network Prediction of Evaluation Value from Product Reviews and Explanation to Healthcare Products Using Network2017
- Author(s)
  Ayumu Sakaguchi, Shouji Nohara, Ryosuke Saga
- Organizer
  The International MultiConference of Engineers and Computer Scientists 2017
- Place of Presentation
  Kowloon HONGKONG
- Year and Date
  2017-03-15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Preprossing Method topic-based path model by using WORD2vec2017
- Author(s)
  Shoji Nohara, Ryosuke Saga
- Organizer
  The International MultiConference of Engineers and Computer Scientists 2017
- Place of Presentation
  Kowloon HONGKONG
- Year and Date
  2017-03-15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Proposal of network visualization of customer expectation by using Web2017
- Author(s)
  Ryosuke Saga
- Organizer
  International Symposium on Artificial Life and Robotics
- Place of Presentation
  Beppu Oita Japan
- Year and Date
  2017-01-19
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Cluster-Based Edge Bundling based on a Line Graph2017
- Author(s)
  Takafumi Yamashita, Ryosuke Saga
- Organizer
  International Conference on Information Visualization Theory and Applications 2017
- Place of Presentation
  Porto Gaia PORTUGAL
- Year and Date
  2017-02-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Trend Analisis for Patent Network Visualization2016
- Author(s)
  Ryosuke Saga, Takuya Yuto
- Organizer
  Asian Conference on Information Systems 2016
- Place of Presentation
  Krabi THAILAND
- Year and Date
  2016-10-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Quantitative Evaluation for Edge Bundling by Difference of Edge Lengths and Area Occupation2016
- Author(s)
  Ryosuke Saga
- Organizer
  International Conference on Human-Computer Interaction 2016
- Place of Presentation
  Toronto CANADA
- Year and Date
  2016-07-17
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Quantitative Evaluation for Edge Bundling Based on Structural Aesthetics2016
- Author(s)
  Ryosuke Saga
- Organizer
  Eurographics Conference on Visualization (EuroVis), Posters Track (2016)
- Place of Presentation
  roningen, the Netherlands
- Year and Date
  2016-06-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Trend Anarisis for Patent Network Visualization2016
- Author(s)
  Ryosuke Saga, Takuya Yuto
- Organizer
  Asian Conference on Information System
- Place of Presentation
  Krabi Thailand
- Year and Date
  2016-10-27
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K01250
[Presentation] Aspect Evaluation by using Overall Rating and Category Characteristics of Reviews2016
- Author(s)
  Hatuho Sakai, Ryosuke Saga
- Organizer
  International Conference on Business and Industrial Research 2016
- Place of Presentation
  Thai Nichi Institute Technology
- Year and Date
  2016-05-12
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Webと短文アンケートを用いた事前期待の可視化への試み2016
- Author(s)
  佐賀　亮介
- Organizer
  平成28年電気学会全国大会
- Place of Presentation
  東北大学、宮城県仙台市
- Year and Date
  2016-03-16
- Data Source
  KAKENHI-PROJECT-25240049
[Presentation] Quantitative Evaluation for Edge Bundling Based on Structural Aesthetics2016
- Author(s)
  Ryosuke Saga
- Organizer
  18th EG/VGTC Conference on Visualization(Euro Vis)
- Place of Presentation
  Groningen, the Netherlands
- Year and Date
  2016-06-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Quantitative Evaluation for Edge Bundling Based on Structural Aesthetics2016
- Author(s)
  Ryosuke Saga
- Organizer
  18th EG/VGTC Conference on Visualization
- Place of Presentation
  De Oosterpoort(Groningen, the Netherlands)
- Year and Date
  2016-06-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Purchase Factor Expression for Game Software Using Structural Equation Modeling with Topic Model in User’s Review Texts2015
- Author(s)
  Rikuto Kunimoto,　Ryosuke Saga
- Organizer
  International Conference on E-Education, E-Business, E-Management and E-Learning
- Place of Presentation
  Doha, Qutar
- Year and Date
  2015-01-10
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] 多属性グラフへのエッジバンドリングの適用2015
- Author(s)
  山下敬史，佐賀亮介
- Organizer
  第14回情報科学技術フォーラム
- Place of Presentation
  愛媛大学(愛媛県松山市)
- Year and Date
  2015-09-15
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Multi-Type Edge Bundling for Geographic Layout Graph2015
- Author(s)
  Ryosuke Saga, Takafumi Yamashita
- Organizer
  11th International Conference on Knowledge Management
- Place of Presentation
  I-site Namba(Osaka, Japan)
- Year and Date
  2015-11-04
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Factor analysis of investment judgment in crowdfunding using structural equation modeling2015
- Author(s)
  Ryosuke Saga, Shoji Nohara
- Organizer
  Asian Conference on Information Systems
- Place of Presentation
  Penang, Malaysia
- Year and Date
  2015-10-15
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25240049
[Presentation] Edge Bundling in Multi-attributed Graphs2015
- Author(s)
  Takafumi Yamashita, Ryosuke Saga
- Organizer
  International Conference on Human Computer Interaction 2015
- Place of Presentation
  The Westin Harbour Castle Hotel(Los Angels, USA)
- Year and Date
  2015-08-02
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Network visualization of difference of value in use2014
- Author(s)
  Ryosuke Saga
- Organizer
  International Conference of Business and Industrial Research
- Place of Presentation
  Bangkok, Thailand
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Webを利用したサービス利用状況のネットワーク可視化2014
- Author(s)
  佐賀亮介
- Organizer
  平成２６年電気学会全国大会
- Place of Presentation
  愛媛県松山市
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Measurement Evaluation of Keyword Extraction Based on Topic Coverage2014
- Author(s)
  Ryosuke Saga, Hiroshi Kobayashi, Takao Miyamoto, Hiroshi Tsuji
- Organizer
  16th International Conference on Human-Computer Interaction
- Place of Presentation
  Crete, Greece
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Visualization of Difference in Value between service providers and consumers2014
- Author(s)
  Ryosuke Saga
- Organizer
  International Conference on Business and Industrial Research
- Place of Presentation
  Bangkok, Thailand
- Data Source
  KAKENHI-PROJECT-25240049
[Presentation] Finding Division Points for Time-Series Corpus Based on Topic Changes2014
- Author(s)
  Hiroshi Kobayashi, Ryosuke Saga
- Organizer
  16th International Conference on Human-Computer Interaction
- Place of Presentation
  Crete, Greece
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Finding Division Points for Time-Series Corpus Based on Topic Changes2014
- Author(s)
  Hiroshi Kobayashi, Ryosuke Saga
- Organizer
  16th International Conference on Human Computer Interaction
- Place of Presentation
  Crete, Greece
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] 時系列データのキーワード抽出とその評価手法の提案2014
- Author(s)
  小林寛史,佐賀亮介
- Organizer
  平成26年電気学会全国大会
- Place of Presentation
  愛媛県松山市
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] 時系列構造変化点検出のためのSPRTにおける重回帰モデルの再学習方法2014
- Author(s)
  開作直樹,佐賀亮介
- Organizer
  平成26年電気学会全国大会
- Place of Presentation
  愛媛県松山市
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Finding Division Points for Time-Series Corpus Based on Topic Change2014
- Author(s)
  Hiroshi Kobayashi, Ryosuke Saga
- Organizer
  16^<th> International Conference on Human-Computer Interaction
- Place of Presentation
  Crete, Greece
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Improved keyword extraction by separation into multiple document sets according to time series2013
- Author(s)
  R. Saga and H. Tsuji
- Organizer
  International Conference on Human Computer Interaction
- Place of Presentation
  Las Vegas, United States of America
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Detecting Outlier in Graph Structure Data Using Centrality2013
- Author(s)
  Yukihiro Takayama, Ryosuke Saga, Takao Miyamoto
- Organizer
  Asian Conference on Information Systems 2013
- Place of Presentation
  Phuket, Thailand.
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] 日中カスタマーレビューに基づいたブランド認知の差異発見2013
- Author(s)
  恵明,佐賀亮介,辻洋
- Organizer
  平成25年電気学会情報システム研究会
- Place of Presentation
  福岡県福岡市
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Dependency extraction from growth trajectory using sequential pattern2013
- Author(s)
  S. Aoki, R. Saga, T. Ichinotsubo, W. Niu, and H. Tsuji
- Organizer
  13th International Conference on Knowledge Management and Knowledge Technologies, i-KNOW
- Place of Presentation
  Graz, Austria
- Data Source
  KAKENHI-PROJECT-23500049
[Presentation] Planning Support in Capability Growth Trajectory Mining2013
- Author(s)
  Thongchai Kaewkiriya, , Ryosuke Saga, Hiroshi Tsuji
- Organizer
  Asian Conference on Information Systems (ACIS)
- Place of Presentation
  Phuket, Thailand
- Data Source
  KAKENHI-PROJECT-25240049
[Presentation] Path Model Integration Method for Structure Equation Modeling by OR and Probability Concepts2013
- Author(s)
  Rikuto Kunimoto and Ryosuke Saga
- Organizer
  IEEE SMC 2013
- Place of Presentation
  Manchester, UK
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Sequential Patternを用いた成長履歴からの依存関係の抽出2013
- Author(s)
  青木駿介、一ノ坪剛生、牛臥原、佐賀亮介、辻洋
- Organizer
  平成25年電気学会情報システム研究会
- Place of Presentation
  東京
- Data Source
  KAKENHI-PROJECT-23500049
[Presentation] Integration of Path Models for Structure Equation Modeling by Use of Union Operation for Merging Multiple Viewpoints2013
- Author(s)
  Ryosuke Saga and Rikuto Kunimoto
- Organizer
  2013 International Symposium on Computational and Business Intelligence
- Place of Presentation
  New Delhi, India
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] ネットワーク可視化による価値差分抽出の試み2013
- Author(s)
  佐賀亮介
- Organizer
  第５回横幹連合コンファレンス
- Place of Presentation
  香川県高松市
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] 日中カスタマーレビューに基づいたブランド認知の差異発見2013
- Author(s)
  恵明, 佐賀亮介, 辻洋
- Organizer
  平成25年電気学会情報システム研究会
- Place of Presentation
  福岡県福岡市
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Path Model Integration Method for Structural Equation Modeling by OR and Probability Concepts2013
- Author(s)
  Rikuto Kunimoto, Ryosuke Saga
- Organizer
  IEEE International Conference Systems, Man, and Cybernetics (SMC) 2013
- Place of Presentation
  Manchester, UK
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Integration of Path Models for Structural Equation Modeling by Use of Union Operation for Merging Multiple Viewpoints2013
- Author(s)
  Ryosuke Saga, Rikuto Kunimoto
- Organizer
  2013 International Symposium on Computational and Business Intelligence
- Place of Presentation
  New Delhi, India
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Sequential Pattern を用いた成長履歴からの依存関係の抽出2013
- Author(s)
  青木駿介, 一ノ坪剛生, 牛臥原, 佐賀亮介, 辻洋
- Organizer
  平成 25年電気学会情報システム研究会
- Place of Presentation
  東京都
- Year and Date
  2013-03-29
- Data Source
  KAKENHI-PROJECT-23500049
[Presentation] Detecting Outlier in Graph Structure Data Using Centrality2013
- Author(s)
  Yukihiro, Takayama, Ryosuke Saga, Takao Miyamoto
- Organizer
  Asian Conference on Information Systems 2013
- Place of Presentation
  Phuket, Thailand
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Knowledge Discovery in Web Access Log of E-commerce Site with FACT-Graph and Sequential Probability Ratio Test2012
- Author(s)
  R. Saga, M. Letelier, N. Kaisaku, Y. Takayama and H. Tsuji
- Organizer
  Advances in Knowledge-Based and Intelligent Information and Engineering Systems
- Place of Presentation
  San Sebastian, Spain
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] オフショアソフトウェア開発成熟のためのプロセス整備状況の可視化2012
- Author(s)
  一ノ坪剛生、青木駿介、佐賀亮介、辻洋、Chan Ratanak、Pen Chanveasna
- Organizer
  平成24年電気学会電子・情報・システム部門大会
- Place of Presentation
  弘前
- Data Source
  KAKENHI-PROJECT-23500049
[Presentation] Integrating FACT-Graph For Comparison Analysis Based on TF-IDF Weight2012
- Author(s)
  Ryosuke Saga and Hiroshi Tsuji
- Organizer
  IADIS International Conference Information Systems 2012
- Place of Presentation
  Berlin
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Bias Effect on Interactive Spiral Conjoint Analysis2012
- Author(s)
  A. Vella, D. Castel, H. Tsuji and R. Saga
- Organizer
  Asian Conference on Information Systems
- Place of Presentation
  Cambodia Siem Riup
- Data Source
  KAKENHI-PROJECT-23500049
[Presentation] Bias Effect on Interative Spiral Conjoint Analysis2012
- Author(s)
  A. Vella, D. Castel, H. Tsuji and R. Saga
- Organizer
  Asian Conference on Information Systems
- Place of Presentation
  Siem Riup, Campbodia
- Data Source
  KAKENHI-PROJECT-23500049
[Presentation] Proposal of Directed FACT-Graph Based on Association Rule2012
- Author(s)
  R. Saga
- Organizer
  The First Asian Conference on Information Systems
- Place of Presentation
  Siem Reap, Cambodia
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Diagnosis for Interactive Conjoint Analysis2012
- Author(s)
  D. Castel, A. Vella, F. Wei, R. Saga and H. Tsuji
- Organizer
  International Conference on New Trends in Information Science, Service Science and Data Mining
- Place of Presentation
  Taipei, Taiwan
- Data Source
  KAKENHI-PROJECT-23500049
[Presentation] Proposal of Directed FACT-Graph Based on Association Rule2012
- Author(s)
  Ryosuke Saga
- Organizer
  The first Asian conference on Information Systems
- Place of Presentation
  Siem Reap, Cambodia
- Data Source
  KAKENHI-PROJECT-23760358
[Presentation] Diagnosis for Interactive Conjoint Analysis2012
- Author(s)
  D. Castel, A. Vella, F. Wei, R. Saga and H. Tsuji
- Organizer
  International Conference on New Trends in Information Science, Service Science and Data Mining
- Place of Presentation
  Taiwan, Taipei
- Data Source
  KAKENHI-PROJECT-23500049
[Presentation] オフショアソフトウェア開発成熟のためのプロセス整備状況の可視化2012
- Author(s)
  一ノ坪剛生, 青木駿介, 佐賀亮介, 辻洋, Chan Ratanak , Pen Chanveasna
- Organizer
  平成 24年電気学会電子・情報・システム部門大会
- Place of Presentation
  青森県弘前市
- Data Source
  KAKENHI-PROJECT-23500049
[Presentation] FACT-Graphを用いた社説の比較分析2011
- Author(s)
  高見沢聖子, 佐賀亮介, 辻洋, 松本一教
- Organizer
  第73回情報処理学会全国大会
- Place of Presentation
  東京工業大学(東京都)
- Year and Date
  2011-03-04
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Graphical Modeling by Creativity Method for Structural Equation Modeling2011
- Author(s)
  R.Saga, S.Takamizawa, H.Tsuji, K.Matsumoto
- Organizer
  Japan-Cambodia Joint Symposium on Information System and Communication Technology
- Place of Presentation
  王立プノンペン大学(カンボジア)
- Year and Date
  2011-01-06
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Validation for Model Construction Process by Using Creativity Method2011
- Author(s)
  K.Kitami, R.Saga, K.Matsumoto
- Organizer
  IADIS International Conference Information Systems 2011
- Place of Presentation
  Hotel Palacio De Los Velada(スペイン)
- Year and Date
  2011-03-12
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Visualization of WebSite Usage with Consideration of Trend and Relationships2011
- Author(s)
  Ryosuke Saga, T.Miyamoto, Hiroshi Tsuji, Kazunori Matsumoto
- Organizer
  IADIS International Conference Information Systems 2011
- Place of Presentation
  Hotel Palacio De Los Velada(スペイン)
- Year and Date
  2011-03-12
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Application for Text-based comparison analysis using Frequency and Co-occurrence Trend-graph2011
- Author(s)
  Ryosuke Saga, S.Takamizawa, Hiroshi Tsuji, Kazunori Matsumoto
- Organizer
  IADIS International Conference Information Systems 2011
- Place of Presentation
  Hotel Palacio De Los Velada(スペイン)
- Year and Date
  2011-03-12
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Enhanced Visualization on Preference Transition for Sales Records2010
- Author(s)
  Y.Hayashi, F.Masruri, R.Saga, H.Tsuji
- Organizer
  IEEE International Conference on Industrial Informatics
- Place of Presentation
  Hotel Palacio De Los Velada(スペイン)
- Year and Date
  2010-07-14
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] ネットワーク分析を用いたゲームソフトの購入要因分析2010
- Author(s)
  沓澤将, 佐賀亮介, 北見孝大
- Organizer
  2010年電子情報通信学会総合大会
- Place of Presentation
  東北大学(仙台市)
- Year and Date
  2010-03-17
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Enhanced Visualization on Preference Transition for Sales Records2010
- Author(s)
  Y.Hayashi, F.Masruri, Ryosuke Saga, Hiroshi Tsuji
- Organizer
  IEEE International Conference on Industrial Informatics
- Place of Presentation
  Osaka University Nakanoshima Center (Osaka)
- Year and Date
  2010-07-14
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Visualization study of the relationships between responses in choice-type questionnaire2009
- Author(s)
  Zhongqi Sheng, Marie Sano, Yoshihiro Hayashi, Hiroshi Tsuji, Ryosuke Saga
- Organizer
  2009 International Conference on Information Management, Innovation Manag ement and Industrial Engineering (ICIII2009)
- Place of Presentation
  Xi'an, China
- Year and Date
  2009-12-27
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] ゲームソフトにおけるヒット商品の購入要因分析2009
- Author(s)
  北見孝大, 佐賀亮介
- Organizer
  第40回電気学会情報システム研究会
- Place of Presentation
  電気学会(東京都)
- Year and Date
  2009-12-11
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Competition state Visualization Technique for Sales and its Application2009
- Author(s)
  Yoshihiro Hayashi, Ryosuke Saga, Hiroshi Tsuji
- Organizer
  The 22th International Conference on Industrial Engineering & Other Applications of Applied lntelligent Systems IEA/AIE conference
- Place of Presentation
  Tainan, Taiwan
- Year and Date
  2009-06-27
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Loopo : Integrated Text Miner for FactGraph-based Trend Analysis2009
- Author(s)
  Ryosuke Saga, Hiroshi Tsuji, Kuniaki Tabata
- Organizer
  HCI International 2009
- Place of Presentation
  SanDiego, USA
- Year and Date
  2009-07-22
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Visualization study of the relationships between responses inchoice-type questionnaire2009
- Author(s)
  Zhongqi Sheng, Marie Sano, Yoshihiro Hayashi, Hiroshi Tsuji, Ryosuke Saga
- Organizer
  2009 International Conference on Information Management, Innovation Managementand Industrial Engineering (ICIII2009)
- Place of Presentation
  Xi'an, China
- Year and Date
  2009-12-27
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Visualizing Method based on Item Sales Records and its Experimentation2009
- Author(s)
  Yoshihiro Hayashi, Ryosuke Saga, Hiroshi Tsuji
- Organizer
  IEEE International Conference on Systems, Man & Cybernetics (SMC2009)
- Place of Presentation
  San Antonio, USA
- Year and Date
  2009-10-11
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Competition state Visualization Technique for Sales and its Application2009
- Author(s)
  Yoshihiro Hayashi, Ryosuke Saga, Hiroshi Tsuji
- Organizer
  The 22th International Conference on Industrial Engineering & Other Applications of Applied Intelligent Systems IEA/AIE conference
- Place of Presentation
  Tainan, Taiwan
- Year and Date
  2009-06-27
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] FACT-Graphを用いたトレンド分析支援ツールの開発2009
- Author(s)
  佐賀亮介, 辻洋, 田畑邦晃
- Organizer
  第8回情報科学技術フォーラム(FIT2009)
- Place of Presentation
  東北工業大学(仙台市)
- Year and Date
  2009-09-04
- Data Source
  KAKENHI-PROJECT-21760305
[Presentation] Edge Bundling in Multi-attributed Graphs
- Author(s)
  Takafumi Yamashita, Ryosuke Saga
- Organizer
  HCII2015
- Place of Presentation
  Los Angels, USA
- Year and Date
  2015-08-02 – 2015-08-07
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Finding Division Points for Time-Series Corpus Based on Topic Changes
- Author(s)
  Hiroshi Kobayashi, Ryosuke Saga
- Organizer
  HCII2014
- Place of Presentation
  Crete, Greece
- Year and Date
  2014-06-22 – 2014-06-27
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Factor Analysis for Game Software Using Structural Equation Modeling with Hierarchical Latent Dirichlet Allocation in User’s Review Comments
- Author(s)
  Rikuto Kunimoto, Hiroshi Kobayashi, Ryosuke Saga
- Organizer
  International Conference on Knowledge
- Place of Presentation
  Portsmouth, UK
- Year and Date
  2015-01-15 – 2015-01-16
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Proposal of Chance Index in Co-occurrence Visualized Network
- Author(s)
  Yukihiro Takayama, Ryosuke Saga
- Organizer
  International Conference on Knowledge
- Place of Presentation
  Portsmouth, UK
- Year and Date
  2015-01-15 – 2015-01-16
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] 複数情報源による共起語グラフ可視化アプリケーションの提案
- Author(s)
  堺初穂、佐賀亮介
- Organizer
  情報処理学会第77回全国大会
- Place of Presentation
  京都大学
- Year and Date
  2015-03-17 – 2015-03-19
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Improvement of Chance Index in Consideration of Cluster Border Information
- Author(s)
  Ryosuke Saga, Yukihiro Takayama
- Organizer
  Human Computer Interaction 2015
- Place of Presentation
  Los Angels, USA
- Year and Date
  2015-08-02 – 2015-08-07
- Data Source
  KAKENHI-PROJECT-25240049
[Presentation] Ryosuke Saga, Rikuto KunimotoLDA-Based Path Model Construction Process for Structure Equation Modeling
- Author(s)
  Ryosuke Saga, Rikuto Kunimoto
- Organizer
  International Symposium on Artificial Life and Robot
- Place of Presentation
  ビーコンプラザ(別府、大分)
- Year and Date
  2015-01-22 – 2015-01-23
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Visualization of Comparison of Texts from Two Information Sources by Network Integration
- Author(s)
  Ryosuke Saga
- Organizer
  International Conference on Knowledge, Information, and Creativity Support System
- Place of Presentation
  Limassol, Cyprus
- Year and Date
  2014-11-06 – 2014-11-08
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Measurement Evaluation of Keyword Extraction Based on Topic Coverage
- Author(s)
  Ryosuke Saga, Hiroshi Kobayashi, Takao Miyamoto, Hiroshi Tsuji
- Organizer
  HCII2014
- Place of Presentation
  Crete, Greece
- Year and Date
  2014-06-22 – 2014-06-27
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] Finding Path Generator Function for Planning Support of Students Based on Trajectory Mining
- Author(s)
  T. Kaewkiriya, R. Saga and H. Tsuji
- Organizer
  3rd Asian Conference on Information Systems (ACIS2014)
- Place of Presentation
  Nha Tanhg, Vietnam
- Year and Date
  2014-12-01 – 2014-12-03
- Data Source
  KAKENHI-PROJECT-25240049
[Presentation] Network visualization of difference of value in use
- Author(s)
  Ryosuke Saga
- Organizer
  International Conference of Business and Industrial Research(ICBIR2014)
- Place of Presentation
  Bangkok, Thai
- Year and Date
  2014-05-15 – 2014-05-16
- Data Source
  KAKENHI-PROJECT-25420448
[Presentation] 属性を考慮したグラフへのエッジバンドリングの適用
- Author(s)
  山下敬史、佐賀亮介
- Organizer
  情報処理学会第77回全国大会
- Place of Presentation
  京都大学
- Year and Date
  2015-03-17 – 2015-03-19
- Data Source
  KAKENHI-PROJECT-25420448

1. TSUJI HIROSHI (50347506)

# of Collaborated Projects: 2 results

# of Collaborated Products: 18 results
2. SAKURAI Akito (00303339)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. Funabashi Motohisa (10417040)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. HUYNH NamVan (00362020)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 小坂満隆 (30508411)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 白肌邦生 (60550225)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 中森義輝 (30148598)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. Nishioka Yukiko

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. TIWANA Amrit

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
10. SHI Xiao-jun

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results

SAGA RYOSUKE 佐賀 亮介

佐賀 亮介 サガ リョウスケ

SAGA Ryousuke 佐賀 亮介

Research Projects

Research Products

Co-Researchers

Edge Bundling and Node Layout by evoluational computation based on aethentic valuePrincipal Investigator

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Development of visualization and analysis system for multiple graphPrincipal Investigator

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Research on a dynamic service value co-creation system model

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Study of information multiple graph integrated visualization systems based on multiple viewpoints and perceptionsPrincipal Investigator

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Risk Management for Offshore Software Develop,emt

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Time-series Expression by Graph Integration and Rule mining for Tend Visualization MethodPrincipal Investigator

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Verification of the availability of visualization method for time-series data and development of analysis methodologyPrincipal Investigator

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[Journal Article] Simultaneous Optimization of Edge Bundling and Node Layout Using Genetic Algorithm2024

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[Journal Article] Evolutionary-Edge Bundling with Concatenation Process of Control Points2023

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[Journal Article] Preliminary Survey for Multigraph Integration and Visualization Framework2018

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[Journal Article] Improvement Method for Topic-Based Path Model by Using Word2vec2018

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[Journal Article] Visual Analysis for Overcoming Population Decline and Vitalizing Local Economy in Japan2018

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[Journal Article] Network Visualization of customer expectation using Web in coffee service2017

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SAGA RYOSUKE 佐賀亮介

佐賀亮介サガリョウスケ

SAGA Ryousuke 佐賀亮介