ZHAO YU 趙宇

… Alternative Names

Zhao Yu 趙宇

Less

Researcher Number	40879384
Other IDs
Affiliation (Current)	2026: 東京理科大学, 経営学部経営学科, 講師
Affiliation (based on the past Project Information) *help	2023 – 2024: 東京理科大学, 経営学部経営学科, 講師 2020 – 2022: 東京理科大学, 経営学部経営学科, 助教
Review Section/Research Field	Principal Investigator Basic Section 25010:Social systems engineering-related Except Principal Investigator Medium-sized Section 7:Economics, business administration, and related fields / Social systems engineering/Safety system
Keywords	Principal Investigator 確率的変動 / 統計的手法 / 効率性分析 / データ包絡分析法(DEA) / 多入力多出力システム / 効率性尺度 / データの確率的変動 / 非効率性 / フロンティアの推定法 / データ包絡分析法 / フロンティア推定法 / 効率性の評価 / 不確実性 … More Except Principal Investigator … More ベンチマーキング / 官民連携 / 広域化・共同化 / ベンチマーク / 実証分析 / 上下水道 / 経営効率性分析 / 動的DEA / 多面的評価 / オペレーションズリサーチ / 数理工学 / 経営効率分析 / 最適化 / 意思決定分析 / 効率性測定 / データ包絡分析 Less

Empirical Study on Sustainable Water and Wastewater Services under Accelerated Population Decline
- Principal Investigator
  
  田中智泰
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Fund for the Promotion of Joint International Research (International Collaborative Research)
- Review Section
  
  Medium-sized Section 7:Economics, business administration, and related fields
- Research Institution
  Kindai University
Introduction of Uncertainty into Data Envelopment AnalysisPrincipal Investigator
- Principal Investigator
  
  Zhao Yu
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 25010:Social systems engineering-related
- Research Institution
  Tokyo University of Science
Dynamic DEA integrating high-quality efficiency measure and analytical functions: Theory and practice
- Principal Investigator
  
  sekitani kazuyuki
- Project Period (FY)
  2017 – 2021
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Social systems engineering/Safety system
- Research Institution
  Tokyo University of Science
  Shizuoka University

All 2025 2024 2023 2022 2021

All Journal Article Presentation Book

[Book] Operations Management and Management Science (Chapter 5: Performance measurement using deterministic and stochastic multiplicative directional distance functions)2023
- Author(s)
  Yu Zhao
- Total Pages
  222
- Publisher
  IntechOpen
- Data Source
  KAKENHI-PROJECT-22K14443
[Journal Article] An algorithmic marketing approach to analyzing consumer well-being: Incorporating psychological factors in customer loyalty2025
- Author(s)
  Yu Zhao・ Michiko Tsubaki
- Journal Title
  
  Journal of Retailing and Consumer Services
  
  Volume: 84 Pages: 1-17
- DOI
  10.1016/j.jretconser.2025.104238
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K18591, KAKENHI-PROJECT-23KK0031
[Journal Article] Closest targets in Russell graph measure of strongly monotonic efficiency for an extended facet production possibility set2025
- Author(s)
  Sekitani Kazuyuki、Zhao Yu
- Journal Title
  
  Journal of the Operational Research Society
  
  Volume: - Issue: 10 Pages: 1-19
- DOI
  10.1080/01605682.2025.2460617
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14443, KAKENHI-PROJECT-22K04588, KAKENHI-PROJECT-23KK0031
[Journal Article] Empirical Estimation of the Production Frontier2024
- Author(s)
  Yu Zhao
- Journal Title
  
  Advances in the Theory and Applications of Performance Measurement and Management
  
  Volume: - Pages: 59-69
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14443
[Journal Article] 統計的DEA法：理論と応用2024
- Author(s)
  国友直人, 趙宇
- Journal Title
  
  統計数理研究所共同研究リポート471-極値理論の工学への応用（21）
  
  Volume: 21 Pages: 52-57
- Open Access
- Data Source
  KAKENHI-PROJECT-22K14443
[Journal Article] Empirical Estimation of the Production Frontier2024
- Author(s)
  Zhao Yu
- Journal Title
  
  Advances in the Theory and Applications of Performance Measurement and Management
  
  Volume: - Pages: 59-69
- DOI
  10.1007/978-3-031-61597-9_6
- ISBN
  9783031615962, 9783031615979
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23KK0031
[Journal Article] A Density-Weighted Information Gain Tree for Clustering Mixed-Type Data2024
- Author(s)
  Zhao Yu
- Journal Title
  
  2024 7th International Conference on Data Science and Information Technology (DSIT)
  
  Volume: - Pages: 1-6
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23KK0031
[Journal Article] Empirical Estimation of the Production Frontier2024
- Author(s)
  Zhao Yu
- Journal Title
  
  Advances in Theory and Applictions of Performance Measurement and Management - Proceedings of DEA45 - International Conference on Data Envelopment Analysis
  
  Volume: -
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14443
[Journal Article] A Density-Weighted Information Gain Tree for Clustering Mixed-Type Data2024
- Author(s)
  Zhao Yu
- Journal Title
  
  2024 7th International Conference on Data Science and Information Technology (DSIT)
  
  Volume: - Pages: 1-6
- DOI
  10.1109/dsit61374.2024.10882131
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K14443
[Journal Article] Estimating Malmquist-type indices with StoNED2024
- Author(s)
  Zhao Yu、Morita Hiroshi
- Journal Title
  
  Expert Systems with Applications
  
  Volume: 250 Pages: 123877-123877
- DOI
  10.1016/j.eswa.2024.123877
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14443, KAKENHI-PROJECT-23KK0031
[Journal Article] Least-distance approach for efficiency analysis: A framework for nonlinear DEA models2023
- Author(s)
  Kazuyuki Sekitani, Yu Zhao
- Journal Title
  
  European Journal of Operational Research
  
  Volume: 306 Issue: 3 Pages: 1296-1310
- DOI
  10.1016/j.ejor.2022.09.001
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K04588, KAKENHI-PROJECT-22K14443
[Journal Article] Nonparametric Estimation of the Production Frontier Using a Data-Fitting Technique2022
- Author(s)
  Yu Zhao
- Journal Title
  
  Frontiers in Artificial Intelligence and Applications
  
  Volume: 352 Pages: 9-20
- DOI
  10.3233/faia220079
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K14443
[Journal Article] DEAによるJORSJ掲載論文の評価―JORSJの国際的地位の向上に向けて―2021
- Author(s)
  趙宇，関谷和之
- Journal Title
  
  オペレーションズ・リサーチ　経営の科学
  
  Volume: 66 Pages: 748-753
- Data Source
  KAKENHI-PROJECT-17K01251
[Journal Article] Performance benchmarking of achievements in the Olympics: An application of Data Envelopment Analysis with restricted multipliers2021
- Author(s)
  Kazuyuki Sekitani　Yu Zhao
- Journal Title
  
  European Journal of Operational Research
  
  Volume: - Issue: 3 Pages: 1202-1212
- DOI
  10.1016/j.ejor.2021.02.040
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K01251
[Presentation] Sustainable Performance Evaluation and Prediction of the Banking Sector: Opening the Black Box of DEA with Machine Learning and Explainable AI2025
- Author(s)
  Zhao Yu
- Organizer
  17th International Conference on Machine Learning and Computing
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0031
[Presentation] Exploring the Determinants of Well-Being: Insights from SHAP and ICE Analyses2025
- Author(s)
  Zhao Yu, Tsubaki Michiko
- Organizer
  The 11th International Conference on Information Management (ICIM2025)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0031
[Presentation] Sustainable Performance Evaluation and Prediction of the Banking Sector: Opening the Black Box of DEA with Machine Learning and Explainable AI2025
- Author(s)
  Yu Zhao
- Organizer
  17th International Conference on Machine Learning and Computing
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] A Density-Weighted Information Gain Tree for Clustering Mixed-Type Data2024
- Author(s)
  Yu Zhao
- Organizer
  7th International Conference on Data Science and Information Technology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] Evaluating Efficiency in DEA with Consideration of Probabilistic Variations in Data2024
- Author(s)
  Yu Zhao
- Organizer
  2024 INFORMS Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] Evaluating Efficiency in DEA with Consideration of Probabilistic Variations in Data2024
- Author(s)
  Zhao Yu
- Organizer
  2024 INFORMS Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0031
[Presentation] A Maximum Russell Graph Measure with Strong Monotonicity and Closest Targets2024
- Author(s)
  関谷和之, 趙宇
- Organizer
  日本オペレーションズ・リサーチ学会2024年春季研究発表会
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] A Tree-Based Resampling Approach for Estimating Statistical Production Frontier and Confidence Intervals of Efficiencies2024
- Author(s)
  Zhao Yu
- Organizer
  The 20th Annual Meeting & International Conference of OR Society of TAIWAN (ORSTW 2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0031
[Presentation] A Tree-Based Method for Bootstrapping in Data Envelopment Analysis2024
- Author(s)
  Zhao Yu
- Organizer
  The 2nd Joint Conference on Statistics and Data Science in China
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0031
[Presentation] A Tree-Based Resampling Approach for Estimating Statistical Production Frontier and Confidence Intervals of Efficiencies2024
- Author(s)
  Yu Zhao
- Organizer
  The 20th Annual Meeting & International Conference of OR Society of TAIWAN (ORSTW 2024)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] A Density-Weighted Information Gain Tree for Clustering Mixed-Type Data2024
- Author(s)
  Zhao Yu
- Organizer
  7th International Conference on Data Science and Information Technology
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0031
[Presentation] A Tree-Based Method for Bootstrapping in Data Envelopment Analysis2024
- Author(s)
  Yu Zhao
- Organizer
  The 2nd Joint Conference on Statistics and Data Science in China
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] A Forest-Based Resampling Approach for Estimating Statistical Production Frontier and Confidence Intervals of Efficiencies2024
- Author(s)
  Zhao Yu
- Organizer
  International Conference on Data Envelopment Analysis 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23KK0031
[Presentation] A Forest-Based Resampling Approach for Estimating Statistical Production Frontier and Confidence Intervals of Efficiencies2024
- Author(s)
  Yu Zhao
- Organizer
  International Conference on Data Envelopment Analysis 2024
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] Maximum Russell graph measures and extended production possibility sets2023
- Author(s)
  関谷和之, 趙宇
- Organizer
  日本オペレーションズ・リサーチ学会2023年春季研究発表会
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] An empirical data-fitting approach to estimate the production frontier2023
- Author(s)
  Zhao Yu
- Organizer
  DEA45: International Conference on Data Envelopment Analysis
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] 不確実性を考慮した生産フロンティアの推定手法とその応用について2022
- Author(s)
  趙宇
- Organizer
  スケジューリング学会リスクマネジメント研究部会
- Invited
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] A well-defined extended production possibility set and strongly monotonic efficiency measures2022
- Author(s)
  関谷和之, 趙宇
- Organizer
  日本オペレーションズ・リサーチ学会2022年秋季研究発表会
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] Strongly Monotonic Efficiency Measures in Data Envelopment Analysis2022
- Author(s)
  Yu Zhao
- Organizer
  2022 INFORMS Annual Meeting
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] 統計的DEA法2022
- Author(s)
  趙宇, 国友直人
- Organizer
  2022年度統計関連学会連合大会
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] 統計的 DEA 法とその応用について2022
- Author(s)
  趙宇
- Organizer
  東京理科大学総合研究院統計科学部門第 15 回統計科学セミナー
- Invited
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] LP approach to the least-distance efficiency measures2022
- Author(s)
  Yu Zhao, Kazuyuki Sekitani
- Organizer
  京都大学数理解析研究所共同研究（公開型）「数理最適化の理論と応用の深化」
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] LP approach to the least-distance efficiency of nonlinear DEA models2022
- Author(s)
  関谷和之, 趙宇
- Organizer
  日本オペレーションズ・リサーチ学会2022年春季研究発表会
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] Nonparametric Estimation of the Production Frontier Using a Data-Fitting Technique2022
- Author(s)
  Yu Zhao
- Organizer
  The 3rd International Conference on Modern Management based on Big Data (MMBD2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] ノンパラメトリックなアプローチによる生産フロンティアの推定2022
- Author(s)
  趙宇
- Organizer
  日本OR学会九州支部2022年度第1回講演会・研究会
- Invited
- Data Source
  KAKENHI-PROJECT-22K14443
[Presentation] Measuring Olympic achievements in DEA: a data fitting technique subject to downside-deviation restrictions2021
- Author(s)
  Yu Zhao　Kazuyuki Sekitani
- Organizer
  日本オペレーションズ・リサーチ学会 2021年春季研究発表会
- Data Source
  KAKENHI-PROJECT-17K01251
[Presentation] Measuring Olympic achievements in DEA: a data fitting technique subject to downside-deviation restrictions2021
- Author(s)
  関谷和之，趙宇
- Organizer
  日本オペレーションズ・リサーチ学会2021年春季研究発表会
- Data Source
  KAKENHI-PROJECT-17K01251
[Presentation] LP approach to the least-distance efficiency measures2021
- Author(s)
  関谷和之，趙宇
- Organizer
  京都大学数理解析研究所共同研究（公開型）「数理最適化の理論と応用の深化」
- Data Source
  KAKENHI-PROJECT-17K01251
[Presentation] LP approach to the least-distance efficiency measures2021
- Author(s)
  関谷和之，趙宇
- Organizer
  日本オペレーションズ・リサーチ学会2022年春季研究発表会
- Data Source
  KAKENHI-PROJECT-17K01251

1. sekitani kazuyuki (60256667)

# of Collaborated Projects: 1 results

# of Collaborated Products: 7 results
2. 山本芳嗣 (00119033)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 田中智泰 (20511182)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 中村絵理 (00611071)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
5. 浦上拓也 (10351561)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 北村友宏 (10822900)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 中岡孝剛 (50633822)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. 椿美智子

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

ZHAO YU 趙 宇

Zhao Yu 趙 宇

Research Projects

Research Products

Co-Researchers

Empirical Study on Sustainable Water and Wastewater Services under Accelerated Population Decline

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Introduction of Uncertainty into Data Envelopment AnalysisPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Dynamic DEA integrating high-quality efficiency measure and analytical functions: Theory and practice

Principal Investigator

Project Period (FY)

Research Category

Research Field

Research Institution

[Book] Operations Management and Management Science (Chapter 5: Performance measurement using deterministic and stochastic multiplicative directional distance functions)2023

Author(s)

Total Pages

Publisher

Data Source

[Journal Article] An algorithmic marketing approach to analyzing consumer well-being: Incorporating psychological factors in customer loyalty2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Closest targets in Russell graph measure of strongly monotonic efficiency for an extended facet production possibility set2025

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Empirical Estimation of the Production Frontier2024

Author(s)

Journal Title

Data Source

[Journal Article] 統計的DEA法：理論と応用2024

Author(s)

Journal Title

Data Source

[Journal Article] Empirical Estimation of the Production Frontier2024

Author(s)

Journal Title

DOI

ISBN

Data Source

[Journal Article] A Density-Weighted Information Gain Tree for Clustering Mixed-Type Data2024

Author(s)

Journal Title

Data Source

[Journal Article] Empirical Estimation of the Production Frontier2024

Author(s)

Journal Title

Data Source

[Journal Article] A Density-Weighted Information Gain Tree for Clustering Mixed-Type Data2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Estimating Malmquist-type indices with StoNED2024

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Least-distance approach for efficiency analysis: A framework for nonlinear DEA models2023

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Nonparametric Estimation of the Production Frontier Using a Data-Fitting Technique2022

Author(s)

Journal Title

DOI

Data Source

ZHAO YU 趙宇

Zhao Yu 趙宇