Updated on 2024/05/01
Graduate School of Informatics Department of Interdisciplinary Informatics
Associate Professor 2022.04 - Now
College of Sustainable System Sciences Department of Knowledge and Information Systems
Associate Professor 2022.04 - 2023.03
博士(工学) （ Osaka Prefecture University ）
Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Safety engineering
Social Infrastructure (Civil Engineering, Architecture, Disaster Prevention) / Social systems engineering
Informatics / Computational science
Informatics / Intelligent informatics
Informatics / Human interface and interaction
Informatics / Web informatics and service informatics
Informatics / Theory of informatics / information engineering
Informatics / Web informatics and service informatics
Data Science
人工知能を用いた情報システムの開発
テキストを用いた因果関係分析
複数情報源の可視化
時系列データ可視化
トレンド情報可視化
The Institute of Electrical and Erectronics Engineers
2009.04 - Now
電気学会
2004 - Now Domestic
IPSJ
IEEE
JSAI
Best Poster Award
2022.09 GD22 (Graph Drawing 2022)
電子・情報・システム部門 技術委員会奨励賞
2022.02 電気学会
Nominated for Best Paper Award
2021.01 HICSS2021
電子・情報・システム部門 技術委員会奨励賞
2020.02 電気学会
Best Paper Award
2017.03
Outstanding Paper Award
2016.05 ICBIR 2016 (The 4th International Conference on Business and Industrial Research)
Best Young Researcher Award
2016 ICKM 2016 (12th International Conference on Knowledge Management)
Best Paper Award
2016 ACIS 2016 (The 5th Asian Conference on Information Systems 2016)
最優秀賞
2011.03 平成23年度データ解析コンペティション
最優秀論文賞
2010.02
Best Paper Awards
2010 15th Intl. Symp. on Artificial Life and Robotics
Best Paper Awards
2009 Intl. Conf. on Information Management Innovation Management and industrial Engineering
大阪府立大学 学長顕彰
2005.11 大阪府立大学
電気学会 優秀論文発表賞
2005.09 電気学会平成16年度電子・情報・システム部門研究会
大阪府立大学工学研究科学業奨励賞
2005.03 大阪府立大学
ラフバラー大学 客員研究員
2019
株式会社ロッケン 代表取締役
2016 - 2022.11
Osaka Prefecture University
2013.10 - Now
Kanagawa Institute of Technology/ Faculty of Informatics/Assistant Professor
2008.04 - 2011
インディアナ大学 客員研究員
2006
Osaka Prefecture University Graduate School, Division of Engineering Doctor's Course Graduated/Completed
2003 - 2008.03
Osaka Prefecture University Faculty of Engineering Bachelor's Course
1999 - 2003
Osaka Prefecture University Graduate School, Division of Engineering Doctor's Course Graduated/Completed
- 2005.03
Double-ConvMF: probabilistic matrix factorization with user and item characteristic text
Tamada T.
Artificial Life and Robotics 2024（ ISSN:14335298 ）
“Advanced Meteorological Hazard Defense Capability Assessment: Addressing Sample Imbalance with Deep Learning Approaches.” Reviewed
J. Tang, R. Saga, Q. Dai, Y. Mao,
Applied. Science. 2023 13 ( 26 ) 2023.11
S-ISFMF: Social Network and Image Shape Feature Matrix Factorization Reviewed
T. Tamada, M. Gao, R. Saga
Proc. of 16th IADIS International Conference Information Systems 2023 155 - 162 2023.03
Route Finding for Autonomous Vessel Considering Obstacle Avoidance by Deep-Reinforcement Learning Reviewed
R. Kozono, Y. Tsurumi, Y. Nihei, R. Saga
The Twenty-Eighth International Symposium on Artificial Life and Robotics 434 - 438 2023.01
A Lite Hierarchical Model for Dialogue Summarization with Multi-Granularity Decoder Reviewed
T. Zheng, R. Saga
Proceedings of the 56th Hawaii International Conference on System Sciences 2180 - 2189 2023.01
Double-ConvMF:Matrix factorization using user and item description text Reviewed
T. Tamada, R. Saga
The Twenty-Eighth International Symposium on Artificial Life and Robotics 302 - 307 2023.01
Takuro Ogawa, Ryosuke Saga
HCI (5) 258 - 271 2023
Deep-Reinforcement Learning Based Route Planning with Obstacle Avoidance for Autonomous Vessels Reviewed
Ryosuke Saga, Rinto Kozono, Yutaro Tsurumi, Yasunori Nihei
Artificial Life and Robotics 1 - 9 2023
Triple Supportive Information for Matrix Factorization with Image, Text, and Social Networks. Reviewed
Takuya Tamada, Ryosuke Saga
HCI (5) 14015 LNCS 622 - 633 2023（ ISSN:03029743 ） （ ISBN:9783031351310 ）
Social network and image shape feature matrix factorization Reviewed
Takuya Tamada, Mingtian Gao, Ryosuke Saga
Proceedings of the 16th IADIS International Conference Information Systems 155 - 162 2023
Ryuto Miyake, Ryosuke Saga
HCI (5) 14015 LNCS 248 - 257 2023（ ISSN:03029743 ） （ ISBN:9783031351310 ）
Evolutionary-Edge Bundling with Concatenation Process of Control Points Reviewed
Saga R.
Computer Science Research Notes 31 ( 1-2 ) 284 - 291 2023（ ISSN:24644617 ）
Pooling Method Based on Edge Contraction for Graph Convolution Networks Reviewed
Q. Zhang, R. Saga
Proc. of 2022 IEEE Intl. Conf. on Systems, Man, and Cybernetics(SMC) 2546 - 2550 2022.10
Comparison of Neural Network Models for LDA Inferring Reviewed
S. Srivichitranond, R. Saga
Proc. of International Conference on Business and Industrial Research (ICBIR) 422 - 425 2022.05
Book Recommender System Using CNN Capturing Feature of Synopses and Reviews. Reviewed
Takuya Tamada, Ryosuke Saga
HCI (43) 13518 LNCS 518 - 530 2022（ ISSN:03029743 ） （ ISBN:9783031217067 ）
Heuristic Approach to Improve the Efficiency of Maximum Weight Matching Algorithm Using Clustering. Reviewed
Liu He, Ryosuke Saga
KES-IDT 25 - 35 2022
Evolutionary Node Layout and Edge Bundling. Reviewed
Junsei Meikari, Ryosuke Saga
CEC 1 - 6 2022（ ISBN:9781665467087 ）
Edge Bundling by Density-Based Pathfinding Approach
Ryosuke Saga, Tomoki Yoshikawa, Tomoharu Nakashima
GRAPH DRAWING AND NETWORK VISUALIZATION, GD 2022 13764 480 - 482 2022（ ISSN:0302-9743 ） （ eISSN:1611-3349 ）
Gradient Clustering for Subtyping of Prediction Failures Reviewed
Thomas Henn · Yasukazu Sakamoto · Clément Jacquet · Shunsuke Yoshizawa · Masamichi Andou · Stephen Tchen · Ryosuke Saga · Hiroyuki Ishihara · Katsuhiko Shimizu · Yingzhen Li · Ryutaro Tanno
NeurIPS 2021 workhsop "med-neurips 2021" 2021.12
データ工学分野から見た海洋研究 Reviewed
佐賀亮介
CAINES Joumal No.2 / 2021.7 30 - 31 2021.07
Information Management System for Small Automatic Navigation Robot Ships
Kozono Rinto, Yutaro Tsurumi, Yasunori Nihei, Ryosuke Saga
Lecture Notes in Computer Science 2021.07
An Improved Optimized Route Selection Method for a Maritime Navigation Vessel
Yutaro Tsurumi, Ryosuke Saga, Sharath Srinivasamurthy, Yasunori Nihei
Lecture Notes in Computer Science 2021.07
A recommendation system based on product image and text features Reviewed
Yichi Lu, Mingtian Gao, Ryosuke Saga
The Twenty-Sixth International Symposium on Artificial Life and Robotics 2021 2021.01
A Principled Approach to Failure Analysis and Model Repairment: Demonstration in Medical Imaging. Reviewed
Thomas Henn, Yasukazu Sakamoto, Clément Jacquet, Shunsuke Yoshizawa, Masamichi Andou, Stephen Tchen, Ryosuke Saga, Hiroyuki Ishihara, Katsuhiko Shimizu, Yingzhen Li, Ryutaro Tanno
Medical Image Computing and Computer Assisted Intervention - MICCAI 2021 - 24th International Conference 509 - 518 2021（ ISBN:9783030871987 ）
An Improved Optimized Route Selection Method for a Maritime Navigation Vessel Reviewed
Yutaro Tsurumi, Ryosuke Saga, Sharath Srinivasamurthy, Yasunori Nihei
Lecture Notes in Computer Science 468 - 481 2021（ ISSN:0302-9743 ） （ ISBN:9783030783600 ） （ eISSN:1611-3349 ）
Information Management System for Small Automatic Navigation Robot Ships Reviewed
Kozono Rinto, Yutaro Tsurumi, Yasunori Nihei, Ryosuke Saga
Lecture Notes in Computer Science 419 - 428 2021（ ISSN:0302-9743 ） （ ISBN:9783030783600 ） （ eISSN:1611-3349 ）
IoT/ICTを活用した養殖漁業の高度化技術 自動観測ロボット船による養殖場観測のための航行経路探索システム Reviewed
佐賀亮介
システム/制御/情報 65 ( 1 ) 2021（ ISSN:0916-1600 ）
Takuro Ogawa, Ryosuke Saga
54th Hawaii International Conference on System Sciences(HICSS) 1 - 10 2021
Causality Model for Text Data with a Hierarchical Topic Structure Reviewed
Takuro Ogawa, Hideyasu Shimadzu, Ryosuke Saga
Proceedings - 25th International Conference on Technologies and Applications of Artificial Intelligence, TAAI 2020 205 - 210 2020.12（ ISBN:9781665403801 ）
Double Deep Features for Apparel Recommendation System.
Yichi Lu, Yufeng Duan, Ryosuke Saga
Hawaii International Conference on System Sciences 2020 2020.01
Apparel goods recommender system using image feature Reviewed
Yufeng Duan, Ryosuke Saga
IEEJ Transactions on Electronics, Information and Systems 140 ( 1 ) 93 - 99 2020（ ISSN:0385-4221 ） （ eISSN:1348-8155 ）
A genetic algorithm optimising control point placement for edge bundling Reviewed
Ryosuke Saga, Tomoki Yoshikawa, Ken Wakita, Ken Sakamoto, Gerald Schaefer, Tomoharu Nakashima
VISIGRAPP 2020 - Proceedings of the 15th International Joint Conference on Computer Vision, Imaging and Computer Graphics Theory and Applications 3 217 - 222 2020（ ISBN:9789897584022 ）
Automatic Labeling for Hierarchical Topics with NETL. Reviewed
Rinto Kozono, Ryosuke Saga
2020 IEEE International Conference on Systems, Man, and Cybernetics(SMC) 3740 - 3745 2020
Double Deep Features for Apparel Recommendation System. Reviewed
Yichi Lu, Yufeng Duan, Ryosuke Saga
53rd Hawaii International Conference on System Sciences(HICSS) 1 - 8 2020
Apparel Goods Recommender System Based on Image Shape Features Extracted by a CNN Reviewed
Yufeng Duan, Ryosuke Saga
Proceedings - 2018 IEEE International Conference on Systems, Man, and Cybernetics, SMC 2018 2365 - 2369 2019.01（ ISSN:1062-922X ） （ ISBN:9781538666500 ）
Proposal of Quantitative Evaluation for Multi-type Edge Bundling based on Color Distribution Reviewed
R, Saga
24th International Symposium on Artificial Life and Robotics 2019.01
Sentiment Analysis of Images with Tensor Factorization Reviewed
Ayumu Sakaguchi, Ryosuke Saga
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 11570 LNCS 269 - 285 2019（ ISSN:0302-9743 ） （ ISBN:9783030226480 ） （ eISSN:1611-3349 ）
医療データにおける人工知能と可視化 Reviewed
佐賀亮介
可視化情報 2018.10
Apparel Goods Recommender System-Based Image Shape Features Extracted by CNN Reviewed
W. Duan, R. Saga
IEEE Intl Conference on System, Man, and Cybernetics(SMC2018) 2018.09
Conversion of Player Locations from Football Goal Scene Videos to a 2D Top View Reviewed
K.Tomikawa, R.Saga
Human-Computer Interaction International 2018.07
Visual Analysis for Overcoming Population Decline and Vitalizing Local Economy in Japan Reviewed
R. Saga
Human-Computer Interaction International 2018.07
Validation of Quantitative Measures for Edge Bundling by Comparing with Human Feeling Reviewed
R. Saga
EuroVis 2018 2018.06
Network Visualization of customer expectation using Web in coffee service Reviewed
R. Saga, T.Yagi
Artificial Life and Robotics 2018.01
Correlation analysis between human feeling and quantitative evaluation criteria Reviewed
R. Saga
AROB 2018.01
Improvement Method for Topic-Based Path Model by Using Word2vec Reviewed
R. Saga, S. Nohara
Transactions on Engineerling Technologies 2018
Preliminary Visual Analysis for Overcoming Population Decline and Vitalizing Reviewed
R. Saga
Asian Conference on Inforamtion Systems 2017.12
Preliminary Survey for Multigraph Integration and Visualization Framework Reviewed
R, Saga
HCI International 20178 Posters' Extended Abstracts 2017.07
FML-based Prediction Agent and Its Application to Game of Go Reviewed
Lee, Chang-Shing; Wang, Mei-Hui; Kao, Chia-Hsiu; Yang, Sheng-Chi; Nojima, Yusuke; Saga, Ryosuke; Shuo, Nan; Kubota, Naoyuki
World Congress of International Fuzzy Systems Association and 9th International Conference on Soft Computing and Intelligent Systems 2017.04
Preprocessing Method Topic-based Path Model by Using Word2vec Reviewed
Nohara, Shoji; Saga, Ryosuke
IMECS 2017-International MultiConference of Engineers and Computer Scientists 雑誌 2017.03
Quantitative Evaluation of Multi-type Edge Bundling-Example for Japan Airmap Reviewed
R. Saga
8th International Conference on Information Visualization Theory and Applications 2017.01
Proposal of Chance Index in Co-occurrence Network Reviewed
Takayama, Yukihiro; Saga, Ryosuke
Electronics and Communications in Japan 電気学会 99 ( 12 ) 65 - 73 2016.11
FML-based Feature Similarity Assessment Agent for JapaneseTaiwanese Language Learning Reviewed
Cheng; Mei-Hui Wang1; Nohara, Shoji; Kuan-Yi Wu1; Saga, Ryosuke
IEEE International Conference on Fuzzy Systems IEEE 2016.11
Finding division points for time-series corpus based on topic changes Reviewed
Kobayashi, Hiroshi; Saga, Ryosuke
International Conference on Human Interface and the Management of Information 2016.06
LDA-based path model construction process for structure equation modeling Reviewed
Saga, Ryosuke; Kunimoto, Rikuto
Artificial Life and Robotics Springer 21 ( 2 ) 2016.06
Finding division points for a time series corpus based on structural change point detection Reviewed
Kobayashi, Hiroshi; Saga, Ryosuke
Artificial Life and Robotics Springer 21 ( 2 ) 160 - 164 2016.06
Place name extraction and area identification in a sightseeing map Reviewed
Ueda, Minoru; Saga, Ryosuke
ACIS 2016 – The Fifth Asian Conference on Information Systems 雑誌 2016
Trend Analisis for Patent dataset Network Visualization Reviewed
Saga, Ryosuke; Utou, Takuya
ACIS 2016 – The Fifth Asian Conference on Information Systems 雑誌 2016
LDA-based path model construction process for structure equation modeling Reviewed
Saga, Ryosuke; Kunimoto, Rikuto
ISAROB 2016 雑誌 2016
Factor analysis of investment judgment in crowdfunding using structural equation modeling Reviewed
Saga, Ryosuke; SHoji, Nohara
ACIS 2016 – The Fifth Asian Conference on Information Systems 雑誌 2015.10
Edge Bundling in Multi-attributed Graphs Reviewed
Yamashita, Takafumi; Saga, Ryosuke
Human Interface and the Management of Information. Information and Knowledge Design Springer 9172 138 - 147 2015
Factor Analysis for Game Software Using Structural Equation Modeling with Hierarchical Latent Dirichlet Allocation in User’s Review Comments Reviewed
Rikuto Kunimoto, Hiroshi Kobayashi, and Ryosuke Saga
International Journal of Knowledge Engineering-IACSIT 電気学会 1 ( 1 ) 54 - 58 2015
Proposal of Chance Index in Co-occurrence Visualized Network Reviewed
Takayama, Yukihiro; Saga, Ryosuke
International Journal of Knowledge Engineering-IACSIT 電気学会 1 ( 1 ) 78 - 82 2015
Proposal of Chance Index in Co-occurrence Network Reviewed
Takayama, Yukihiro; Saga, Ryosuke
IEEJ Transactions on Electronics, Information and Systems 電気学会 135 ( 6 ) 644 - 650 2015
Causal Analysis of User's Game Software Evaluation Using hLDA and SEM Reviewed
Kunimoto, Rikuto; Saga, Ryosuke
IEEJ Transactions on Electronics, Information and Systems 電気学会 135 ( 6 ) 602 - 610 2015
Multi-type Edge Bundling in Force-Directed Layout and Evaluation Reviewed
Saga, Ryosuke; Yamashita, Takafumi
Procedia Computer Science ELSEVIER 60 1763 - 1771 2015
Factor analysis of investment judgment in crowdfunding using structural equation modeling.pdf Reviewed
Saga, Ryosuke; Nohara Sgihu
ACIS 2015 – The Fourth Asian Conference on Information Systems 雑誌 2015
多属性グラフへのエッジバンドリングの適用 Reviewed
Yoamashita, Takashi; Saga, Ryosuke
FIT2015 第14回情報科学技術フォーラム 雑誌 2015
Measurement Evaluation of Keyword Extraction Based on Topic Coverage Reviewed
Ryosuke Saga, Hiroshi Kobayashi, Takao Miyamoto, Hiroshi Tsuji
HCI International 2014 - Posters’ Extended Abstracts Springer 224 - 227 2014
Finding division points for time-series corpus based on topic changes Reviewed
Hiroshi Kobayashi, Ryosuke Saga
Human Interface and the Management of Information. Information and Knowledge Design and Evaluation Springer 364 - 372 2014
Dependency Extraction from Growth Trajectory using Sequential Pattern Reviewed
Aoki, Shunsuke; Saga, Ryosuke; Ichinotsubo, Takeo; Niu, Woyuan; Tsuji, Hiroshi
13th International Conference on Knowledge Management and Knowledge Technologies 2013.09
Comparison Analysis for Text Data by Integrating Two FACT-Graphs Reviewed
Ryosuke Saga, authorHiroshi Tsuji
IIMS 2012 14 143 - 151 2013.06
Visualization analysis of e-commerce site from web access log by FACT-Graph and sequential probability ratio test Reviewed
Saga, Ryosuke; Letelier, Mauricio; Kaisaku, Naoki; Takayama, Yukihiro; Tsuji, Hiroshi
International Journal of Knowledge-based and Intelligent Engineering Systems 17 ( 2 ) 145 - 155 2013.03
FACT-Graph と逐次確率比検定を用いたWeb アクセスログの分析 Reviewed
佐賀 亮介，Mauricio Letelier，開作 直樹，高山 幸大，辻 洋
オペレーションズリサーチ 2013.02
Finding Path Generator Function for Planning Support of Students Based on Trajectory Reviewed
Asian Conference on Information System ACIS2013 2013.01
Integrating FACT-Graph For Comparison Analysis Based on TF-IDF Weight Reviewed
International Conference Information Systems 2012.01
Bias Effect on Interative Spiral Conjoint Analysis Reviewed
Ryosuke Saga et al.
Asian Conference on Information Systems 2012
Proposal of Directed FACT-Graph Based on Association Rule Reviewed
Asian Conference on Information Systems 2012
Trajectory Mining on Capability Space Its Concept and Potential Application Reviewed
Hawaii International Conference on System Sciences 2012
Visualized Comparison for CFP Datasets by Structure Identification and Ontology Reviewed
International Conference on New Trends Information Science, Service Science and Data Mining 2012
FACT-graph in web log data Reviewed
Saga, Ryosuke; Miyamoto, Takao; Tsuji, Hiroshi; Matsumoto, Kazunori
KES 2011-International Conference on Knowledge-Based and Intelligent Information and Engineering Systems 2011
Comparison Analysis for Editorials by Reversible FACT-Graph Reviewed
Saga, Ryosuke; Takamizawa, Seiko; Tsuji, Hiroshi; Matsumoto, Kazunori
Intelligent Interactive Multimedia: Systems and Services 2011
Visualized Preference Transition Network Based on Recency & Frequency Reviewed
Japan-Cambodia Joint Symposium Information System and Communication Technology 2011
Visualization of WebSite Usage with Consideration of Trend and Relationships Reviewed
2011 Intl, Data Engineering and Internet Technology 2011
Verification of centrality to extract proper factors in model construction process by using creativity technique Reviewed
HCI international 2011 2011
Validation for Model Construction Process by Using Creativity Method Reviewed
IADIS Intl. Information Systems 2011 2011
Proposal of recommender system simulator based on small-world model Reviewed
Artificial Life and Robotics 2011
Identifying Authors of Text Based on Association Rules Reviewed
IADIS Intl. Information Systems 2011 2011
Comparison Analysis for Editorials by Reversible FACT-Graph Reviewed
Ryosuke Saga, Hiroshi Tsuji
Intelligent Interactive Multimedia: Systems and Services Springer 14 143 - 151 2011
Application for Text-Based Comparison Analysis Using Frequency and Co-occurrence Trend-grap Reviewed
IADIS Intl Information Systems 2011 2011
Comparison Analysis of Video Game Purchase Factors between Japanese and American Consumers Reviewed
15th Intl Knowledge-Based and Intelligent Information and Engineering Systems 2011
Comparison analysis for text data by using FACT-Graph Reviewed
HCI international 2011 2011
Construction and Analysis of Purchase Factor Model by Using Creativity Method Reviewed
Intl. Symp Artificial Life and Robotics 201 2011
Construction and analysis of purchase factor model by using creativity method Reviewed
The Sixteenth international Symposium Artificial Life and Robotics 2011 2011
Evaluating Recommender System using Multiagent-based Simulato Reviewed
2011 Intl Data Engineering and Internet Technology 2011
Graphical Modeling by Creativity Method for Structural Equation Modeling Reviewed
Japan-Cambodia Joint Symp, Information System and Communication Technology 2011
Text Authorship Detection Using Decision Trees and Association Rules over N-Graph Reviewed
IADIS The European Conf. on Data Mining 2010
Proposal of Recommender System based on Mediator's Diversity Reviewed
International Association for Development of the Information Society 2010
Extension of Hierarchical Information Acquirement by Association Rule from Semi-Structured Data Reviewed
6th international Conference on Data Mining 2010
Enhanced Visualization on Preference Transition for Sales Recprds Reviewed
IEEE Industrial Informatics 2010
Development and Case Study of Trend Analysis Software Based on FACT-Graph Reviewed
Artificial Life and Robotics 2010
Causality Analysis for Best-Seller of Software Game by Regression and Structural Equation Modeling Reviewed
IEEE Systems, Man and Cybernetics 2010
Causality Analysis for Best-Seller of Software Game by Regression and Structural Equation Modeling Reviewed
IEEE Systems, Man and Cybernetics 2010
Visualizing Method based on Item Sales Records and its Experimentation Reviewed
IEEE Systems, Man & Cybernetics 2009
Visualization study of the relationships between responses in choice-type questionnaire Reviewed
2009 International Conference on Information Management, Innovation Management and Industrial Engineering 2009
Integrated Text Miner for FactGraph-based Trend Analysis Reviewed
HCI International 2009 2009
Competition state Visualization Technique for Sales and its Application Reviewed
The Twenty Tow International Conference on Industrial Engineering & Other Applications Applied Intelligent Systems 2009
FACT-Graph: 頻度と共起度を用いたトレンド可視化 Reviewed
佐賀亮介; 寺地雅弘; 辻洋
電気学会論文誌 C (電子・情報・システム部門誌) 電気学会 129 ( 3 ) 545 - 552 2009
FACT-Graph を用いたトレンド分析支援ツールの開発 Reviewed
佐賀亮介 他
FIT2008 2009
Loopo: Integrated text miner for fact-graph-based trend analysis Reviewed
Ryosuke Saga, Hiroshi Tsuji, Kuniaki Tabata
Human Interface and the Management of Information. Information and Interaction Springer 192 - 200 2009
Visualized Technique for Trend Analysis of News Articles Reviewed
The Twenty First International Conference on Industrial Engineering & Other Applications Applied Intelligent Systems 2008
Hotel Recommender System based on User's Preference Transition Reviewed
IEEE Systems, Man & Cybernetics 2008
FACT-Graph: trend visualization by frequency and co-occurrence Reviewed
Ryosuke Saga, Masahiro, TerachiZhongqi Sheng, Hiroshi Tsuji
KI 2008: Advances in Artificial Intelligence Springer 308 - 315 2008
Extraction and Visualization of Trend Information from Newspaper Articles and Blogs. Reviewed
Nanba, Hidetsugu; Okuda, Nao; Okumura, Manabu
NTCIR-6 Workshop Meetin 2007.05
RESTER2: Ontology based Reusable ToDo Synthesizer Reviewed
IEEE Systems, Man & Cybernetics 2007
Project evaluation by e-Mail based Communication Pattern Reviewed
Human Computer Interaction 2007
Building Weak Ties Network by X-means and Reachable Matrix Reviewed
Human Computer Interaction 2007
Trends Recognition in Journal Papers by Text Mining Reviewed
IEEE Systems, Man & Cybernetics 2006
ToDo List Reusing in Ad-hoc Group Activities Reviewed
Social Intelligence Design 2006 2006
Three Layered Business Process Architecture for Workflow Cooperation Reviewed
IEEE Emerging Technologies and Factory Automation 2006
Integrating organizational knowledge into search engine Reviewed
19th International Conference on Industrial Engineering & Other Applications of Applied Intelligent Systems 2006
Diagnosis for Interactive Conjoint Analysis Reviewed
International Conference on New Trends Information Science, Service Science and Data Mining 2005
Hotel Room Allocation for Sales Channel by Dynamic Programming Reviewed
10th IEEE International Conference on Emerging Technologies and Factory Automation 2005
User Interface for Improving Precision and Recall in Full Text Retrieval Reviewed
11th International Conference on Human Computer Interaction 2005
RESTER: Reusable TODO Synthesizer Reviewed
11th International Conference on Human Computer Interaction 2005
Kageyama: Shortcut Integrated Agent as Search Front Reviewed
11th International Conference on Human Computer Interaction 2005
Collaborative Filtering versus Personal Log based Filtering: Experimental Comparison for Hotel Room Selection Reviewed
The First International Congress of the International Federation for Systems Research 2005
Alternative Goods Recommender by Customer´s Context-Example for Business Hotel Room Reservation- Reviewed
The Third International Conference on Active Media Technology 2005
Agent System for Notifying Hotel Room Reservation Alternatives Reviewed
11th International Conference on Human Computer Interaction 2005
Taming Search Engine for Knowledge Sharing Reviewed
Social Intelligence Design 2005 2004
SCM Simulator with Uncertain Parameters Reviewed
IEEE International Conference on Systems Man & Cybernetics 2004
Distributed Object Based Simulator LOSIMOPU Reviewed
International Resource Management Associates 2003
Framework of e-Marketplace for concurrent SCM Simulator Reviewed
International Conference on System Man & Cybernetics 2003
Embedding Policy and Capacity in Concurrent SCM Simulator Reviewed
International Conference on System Man & Cybernetics 2003
第３世代のサービスイノベーション研究会
小坂道隆，秋吉政徳、平松綾子、船橋誠壽（ Role： Joint author）
社会評論社 2017.03
Visualization of Customer Expectations from Web Text using Co-Occurrence Graph and Auto-labeling in the Service Market
R. Saga, N. Ohkusa, T. Yamashita（ Role： Joint author）
Proceedings of the 12th International Joint Confer 2017
Preliminary Survey for Multigraph Integration and Visualization Framework
R. Saga（ Role： Joint author）
HCI International 2017 - Posters' Extended Abstrac 2017
Quantitative Evaluation for Edge Bundling by Difference of Edge Lengths and Area Occupation
Saga, Ryosuke; Kaisaku, Naoki; Tsuji, Hiroshi（ Role： Joint author）
Springer International Publishing 2016.06
Edge Bundling in Multi-attributed Graphs
Yamashita, Takafumi; Saga, Ryosuke（ Role： Joint author）
Springer International Publishing 2015.07
Relearning Process for SPRT in Structural Change Detection of Time-Series Data
Ryosuke Saga; Naoki Kaisaku, Hiroshi Tsuji（ Role： Joint author）
Springer-Real World Data Mining Applications 2014.11
Social Experimentation for Reference and Evaluation based Energy Saving Advisory System
（ Role： Joint author）
Springer-Verlag 2013
Improvement of Visualization Expression by Splitting into Multiple Databases on FACT-Graph
（ Role： Joint author）
Springer-Verlag 2013
Comparison Analysis for Text Data by Integrating Two FACT-Graphs
（ Role： Joint author）
Springer-Verlag, Smart Innovation 2012
Relearning Process for SPRT in Structural Change Detection of Time Series
（ Role： Joint author）
Springer-Verlag 2012
Evaluating Recommender System Using Multiagent-Based Simulator
（ Role： Joint author）
Springer-Verlag 2012
Knowledge Discovery in Web Access Log of E-commerce Site with FACT-Graph and Sequential Probability Ratio Test
（ Role： Joint author）
IOS Press 2012
GPGPU Implementation of fuzzy Rule-Based Classifiers
（ Role： Joint author）
Springer-Verlag 2012
Comparison Analysis for Editorials by Reversible FACT-Graph
（ Role： Joint author）
Springer-Verlag 2011
Proposal of Recommender System Simulator Based on Small-World Model
（ Role： Joint author）
2011
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
（ Role： Joint author）
2011
Visualized Preference Transition Network Based on Recency and Frequency
（ Role： Joint author）
2011
FACT-Graph in Web Log Data
（ Role： Joint author）
A. Konig et al. 2011
Development and case study of trend analysis software based on FACT-Graph
（ Role： Joint author）
2010
FACT-Graph : 頻度と共起度を用いたトレンド可視化
（ Role： Joint author）
電気学会C部門 2009
Integrated Text Miner for FactGraph-based Trend Analysis
（ Role： Joint author）
Springer-Verlag 2009
Competition state Visualization Technique for Sales and its Application
（ Role： Joint author）
Springer, Stdies in Computational Intelligence 2009
Empirical Study for Web Usability Improvement By Page Reference Co-occurrence
（ Role： Joint author）
Management Information System and its Applications 2009
Visualized Technique for Trend Analysis of News Articles
（ Role： Joint author）
Springer-Verlag Berlin Heidelberg 2008
Sheng and H. Tsuji: FACT-Graph: Trend Visualization by Frequency and Co-occurrence
（ Role： Joint author）
Springer-Verlag Berlin Heidelberg 2008
Ranking Method for Mediators in Social Network
（ Role： Joint author）
Springer-Verlag 2007
Project evaluation by e-Mail based Communication Pattern
（ Role： Joint author）
Springer-Verlag 2007
懸案事項の再利用知識管理システムRESTER の提案
（ Role： Joint author）
電気学会C部門 2006
Integrating Organizational Knowledge into Search Engine
（ Role： Joint author）
Springer-Verlag Berlin Heidelberg 2006
販売履歴を用いたTPO 商品向け推薦システム
（ Role： Joint author）
電気学会C部門 2006
in Global Integrated Supply Chain Systems: Analysis and Design
（ Role： Joint author）
Idea Group 2006
N-gram全文検索におけるエントロピーを適用した高次追加院でクス検索語選択方式
（ Role： Joint author）
電気学会C部門 2005
分析オブジェクトを用いたSCMシュミレータの提案
（ Role： Joint author）
日本経営工学会 2003
Optimal route search based on multi-objective genetic algorithm for maritime navigation vessels
Ryosuke Saga, Zhipeng Liang, Naoyuki Hara, Yasunori Nihei
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 12185 LNCS ( IS-20-001-021 ) 506 - 518 2020（ ISSN:0302-9743 ） （ ISBN:9783030500160 ） （ eISSN:1611-3349 ）
画像データセットにおける画像間類似度と認識精度の関係性評価
LIANG ZhiPeng, 佐賀亮介
日本船舶海洋工学会講演会論文集(CD-ROM) ( 28 ) 2019（ ISSN:2185-1840 ）
四胴ロボット船によるカキ養殖場での水質自動計測
二瓶泰範, 中田聡史, 原尚之, 原田浩太朗, 佐賀亮介
日本船舶海洋工学会講演会論文集(CD-ROM) ( 28 ) 2019（ ISSN:2185-1840 ）
Preliminary Examination of Edge Bundling Based on Genetic Algorithm
吉川友貴, 中島智晴, 佐賀亮介
可視化情報シンポジウム(CD-ROM) 47th 2019（ ISSN:2433-2275 ）
杉山 恭二, 片岡 正教, 岩田 晃, 樋口 由美, 淵岡 聡, 佐賀 亮介, 池淵 充彦, 高橋 真治, 中村 博亮
The Japanese Journal of Rehabilitation Medicine 2022.05 (公社)日本リハビリテーション医学会
杉山 恭二, 片岡 正教, 岩田 晃, 樋口 由美, 淵岡 聡, 佐賀 亮介, 池淵 充彦, 高橋 真治, 中村 博亮
The Japanese Journal of Rehabilitation Medicine 2022.05 (公社)日本リハビリテーション医学会
Diagnostic assistance device, diagnostic assistance system, and diagnostic assistance method
DIAGNOSTIC ASSISTANCE DEVICE AND DIAGNOSTIC ASSISTANCE METHOD
画像処理装置、画像処理システム、画像表示方法、及び画像処理プログラム
佐賀亮介 他7名
Information selection device
撮像システム及び撮像カテーテル
佐賀亮介, 坂本泰一, 清水克彦, 石原弘之, エントマ, ジャケクレモン, チェンステフェン
DIAGNOSIS SUPPORT DEVICE,DIAGNOSIS SUPPORT SYSTEM,AND DIAGNOSIS SUPPORT METHOD
撮像システム及び撮像カテーテル
佐賀亮介 他7名
Dispositif de traitement d'image et procédé d'affichage d'image
K. Shimizu, Y. Sakamoto, R. Saga
懸案事項（TODO)の組織管理方法
懸案事項管理装置
佐賀亮介, 辻洋, 景山明宣
DIAGNOSTIC ASSISTANCE DEVICE AND DIAGNOSTIC ASSISTANCE METHOD
診断支援装置、診断支援システム、及び診断支援方法
佐賀亮介, 坂本泰一, 清水克彦, 石原弘之, エントマ, ジャケクレモン, チェンステフェン
診断支援装置及び画像表示方法
佐賀亮介, 坂本泰一, 清水克彦, 石原弘之, エントマ, ジャケクレモン, チェンステフェン
Diagnosis assistance device, diagnosis assistance system, and diagnosis assistance method
SAGA Ryosuke, SAKAMOTO Yasukazu, SHIMIZU Katsuhiko, ISHIHARA Hiroyuki, HENN Thomas, JACQUET clement, TCHEN Stephen
情報選択装置
佐賀亮介, 坂本泰一, 清水克彦, 石原弘之, エントマ, ジャケクレモン, チェンステフェン
画像処理装置、画像処理システム、及び診断支援方法
佐賀亮介 他6名
画像処理装置、画像処理システム、及び診断支援方法
佐賀亮介, 坂本泰一, 清水克彦, 石原弘之, エントマ, ジャケクレモン, チェンステフェン
consequence analysis
information retrieval
text mining
torend analysis
data mining
visualization
Edge Bundling and Node Layout by evoluational computation based on aethentic value
Grant-in-Aid for Scientific Research(C) 2025
Edge Bundling and Node Layout by evoluational computation based on aethentic value
Grant-in-Aid for Scientific Research(C) 2024
知識情報システム学演習3
2024 Weekly class Undergraduate
知識情報システム学演習1
2024 Weekly class Undergraduate
PBL演習（サービスデザイン）
2024 Intensive lecture Undergraduate
機械学習特論
2024 Weekly class Graduate school
学際情報学特別研究1
2024 Intensive lecture Graduate school
学際情報学特別演習1
2024 Intensive lecture Graduate school
知識情報システム学演習I
2024 Weekly class Undergraduate
知識情報システム学英語演習
2024 Intensive lecture Undergraduate
海外インターンシップ
2024 Intensive lecture Undergraduate
知識情報システム学演習4
2024 Weekly class Undergraduate
データ科学
2024 Weekly class Undergraduate
学際情報学特別研究2
2024 Intensive lecture Graduate school
学際情報学特別演習2
2024 Intensive lecture Graduate school
特定講義B（ビッグデータ解析とリハビリテーション）
2024 Intensive lecture Graduate school
知識情報システム学卒業研究
2024 Intensive lecture Undergraduate
Special Seminar in Knowledge and Information Systems B
2021
Special Seminar in Knowledge and Information Systems A
2021
Technology-based-Entrepreneurship Course-IID
2021
Overseas Internship in Knowledge and Information Systems
2021 Practical Training
Overseas Internship in Knowledge and Information Systems II
2021 Practical Training
Graduation Thesis Project in Knowledge and Information Systems
2021
Technical English for Knowledge and Information Systems
2021
Planning and Requirement Analysis for Information Systems
2021
Seminar in Knowledge and Information Systems I
2021
Seminar in Knowledge and Information Systems I
2021 Practical Training
Operations Research
2021
Special Topics in Machine Learning
2021
Seminar in Knowledge and Information Systems IV
2021
Seminar in Knowledge and Information Systems III
2021
Seminar in Knowledge and Information Systems II
2021
Seminar in Knowledge and Information Systems I
2021
IT Media
2021.08
https://www.itmedia.co.jp/news/articles/2108/31/news130.html
PR Times
2021.08
https://prtimes.jp/main/html/rd/p/000000104.000032203.html
研究職歴
2013.10 - Now
大阪府立大学/工学研究科/准教授