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[Thesis]

- Boosting Methods for Variable Selection in High Dimensional Sparse
　Models (고차원 선형모델에서의 변수선택을 위한 증가적 방법),
　North Carolina State University, Ph.D. in Statistics, Raleigh, NC,
　USA, 2009

- The Decision of an Optimum Maintenance Period under a Periodic
　Preventive Maintenance Policy (정기적인 예방 정비 체제하에서의
　최적 주기의 결정), Pohang University of Science and Technology,
　Master of Science in Industrial Engineering, Pohang, Kyoungbuk,
　South Korea, 1998

[Journal paper] 　

- Wook-Yeon Hwang*, New Conditional Probability-based Collaborative Filtering for the Binary Market Basket Data with the High Dimensional Cold-Start Problem, Information Sciences, Volume 689, 121475, 2025 (SCIE)

Source: New conditional probability-based collaborative filtering for the binary market basket data with the high dimensional cold-start problem - ScienceDirect

- Yu-Jeong Cheon, Wook-Yeon Hwang*, GAN-based Statistical Process Control for the Time Series Data, Knowledge-Based Systems, Volume 305, 112613, 2024 (SCIE)

 - Yu-Jeong Cheon, Su -Hwan Hwang, Dong -Gil Seo, Go -Yeon Hwang, Wook-Yeon Hwang*, Predictive Modeling for the Bid Responses in the Huvle, Industrial Engineering & Management Systems, 22, 2, 144-152, 2023 (SCOPUS)

Source: http://www.iemsjl.org/journal/article.php?code=86771

 - Chanseok Park, Min Wang, Wook-Yeon Hwang*, Empirical Distributions of the Robustified t-test Statistics,
Industrial Engineering & Management Systems, 21, 3, 432-439, 2022 (SCOPUS)

Source: http://www.iemsjl.org/journal/article.php?code=84339

  - Chang-Ki Lee, Yu-Jeong Cheon, Wook-Yeon Hwang*, Least Squares Generative Adversarial Networks-Based Anomaly Detection, IEEE Access, 10, 26920-26930, 2022 (SCIE)

　　Source: https://ieeexplore.ieee.org/abstract/document/9732473

  - Wook-Yeon Hwang*, Deviance Residual-based Control Charts for Monitoring the Beta-distributed
Processes, Quality and Reliability Engineering International, 37, 8, 3323-3346, 2021 (SCIE)

　　Source: https://onlinelibrary.wiley.com/doi/abs/10.1002/qre.2920

  - Wook-Yeon Hwang*, Quantile-based Control Charts for Poisson and Gamma Distributed
　　Data, Journal of the Korean Statistical Society, 50, 1129-1146, 2021 (SCIE)

　　Source: https://link.springer.com/article/10.1007/s42952-021-00108-6

  - Wook-Yeon Hwang, Jong-Seok Lee*, Further Improvement on Two-Way Cooperative Collaborative
　　 Filtering Approaches for the Binary Market Basket Data, Applied Sciences, 11, 19, 8977, 2021 (SCIE) 

　　Source: https://www.mdpi.com/2076-3417/11/19/8977

  - Chang-Ki Lee, Yu-Jeong Cheon, Wook-Yeon Hwang*, Studies on the GAN-Based Anomaly Detection Methods
　　for the Time Series Data, IEEE Access, 9, 73201-73215, 2021 (SCIE)

　　Source: https://ieeexplore.ieee.org/abstract/document/9426903

  - Wook-Yeon Hwang*, Variable Selection for Collaborative Filtering with Market Basket
　　Data, International Transactions in Operational Research, 27, 6, 3167-3177, 2020 (SSCI)

　　Source: https://onlinelibrary.wiley.com/doi/abs/10.1111/itor.12518

 - Chanseok Park, Min Wang, Wook-Yeon Hwang*, A Study on Robustness of
　　the Paired Sample Tests, Industrial Engineering & Management Systems, 19, 2,
　　386-397, 2020 (SCOPUS)

　　Source: http://www.iemsjl.org/journal/article.php?code=73404

　- Wook-Yeon Hwang*, Assessing New Correlation-Based Collaborative Filtering
    Approaches for Binary Market Basket Data, Electronic Commerce Research and
    Applications, 29, 12-18, 2018 (SSCI)

　　Source: https://www.sciencedirect.com/science/article/pii/S1567422318300267

　-Wook-Yeon Hwang*, Chi-square Quantile-based Multivariate Variance Monitoring for
    Individual Observations, Communications in Statistics - Simulation and Computation, 46, 7, 5393-5409, 2017
    (SCIE)

　　Source: http://www.tandfonline.com/doi/abs/10.1080/03610918.2016.1157182

　- Wook-Yeon Hwang*, Biological Feature Selection and Disease Gene Identification
　　using New Stepwise Random Forests, Industrial Engineering & Management
　　Systems, 16, 1, 64-79, 2017 (SCOPUS)

　　Source: http://www.iemsjl.org/journal/list.php?vol=16&no=1

　- W. Jong Yoon, Wook-Yeon Hwang*, Joel C. Perry, Study on Effects of Surface
　　Properties in Haptic Perception of Virtual Curvature, International Journal of Computer Applications
　　in Technology , 53, 3, 236-243, 2016 (SCOPUS)
　　
　　Source: http://www.inderscienceonline.com/doi/abs/10.1504/IJCAT.2016.075511

　- Wook-Yeon Hwang*, Cluster-based Artificial Contrasts for Inhomogeneously Distributed
　　Data with an Indicator Variable, International Journal of Production Research, 54, 17, 5045-5055,
　　2016 (SCI)

　　Source: http://www.tandfonline.com/doi/abs/10.1080/00207543.2015.1075667

　- Wook-Yeon Hwang*, A New Rank-Based Multivariate CUSUM Approach for Monitoring the Process
　　Mean, Quality and Reliability Engineering International, 32, 3, 1167-1178, 2016 (SCIE)

　　Source: http://onlinelibrary.wiley.com/doi/10.1002/qre.1824/abstract

　- Subhashis Ghoshal*, Bradley Turnnbull, Helen Zhang, Wook Yeon Hwang, Sparse
　　Penalized Forward Selection for Support Vector Classification, Journal of
　　Computational and Graphical Statistics, 25, 2, 493-514, 2016 (SCIE)

　　Source: http://amstat.tandfonline.com/doi/abs/10.1080/10618600.2015.1023395

　- Wook-Yeon Hwang, Jong-Seok Lee*, Shifting Artificial Data to Detect System Failures,
　　International Transactions in Operational Research, 22, 2, 363-378, 2015 (SSCI)

　　Source: http://onlinelibrary.wiley.com/doi/10.1111/itor.12047/full

　- Hwang W. Y., Al-Khalifa K. N., Hamouda, A. M. S., Jeong M. K.*, Elsayed E. A.,
　　Multistage Statistical Process Control for Parametric Variables, WIT Transactions on
　　 Engineering Sciences, 108, 3-12, 2015 (SCOPUS, International Conference on Quality
　　 Reliability, Risk, Maintenance, and Safety Engineering(QR2MSE), Dalian, Liaoning,
　　 China, 2014(Best Paper Award))

　　Source: https://www.amazon.com/Developments-Reliability-Maintenance-Transactions-
    Engineering/dp/178466121X

　- Wook-Yeon Hwang*, Chi-Hyuck Jun, Supervised Learning-based Collaborative Filtering
　　Using Market Basket Data for the Cold-start Problem, Industrial Engineering &
　　Management Systems, 13, 4, 421-431, 2014 (SCOPUS)

　　Source: http://www.iemsjl.org/journal/list.php?vol=13&no=4

　- Wook-Yeon Hwang, Jong-Seok Lee*, A New Forecasting Scheme for Evaluating Long
　　Term Prediction Performance in Supply Chain Management, International Transactions
　　in Operational Research, 21, 6, 1045-1060, 2014 (SSCI)

　　Source: http://onlinelibrary.wiley.com/doi/10.1111/itor.12098/full

　- Wook-Yeon Hwang, Jong-Seok Lee*, Compromising Multiple Objectives in Production
　　Scheduling: A Data Mining Approach, Management Science & Finance Engineering,
　　20, 1, 1-9, 2014 (KCI)

　　Source: https://www.dbpia.co.kr/Journal/ArticleDetail/NODE02414220?TotalCount=0&Seq=4&isIdentify
　　Author=1&Collection=0&isFullText=0&specificParam=0&SearchMethod=0&Page=1&PageSize=20

　- Dean Palejev, Wookyeon Hwang et al., An Application of the Elastic Net for an
　　Endophenotype Analysis, Behavior Genetics, 41, 1, 120-124, 2011 (SCI)

　　Source: https://link.springer.com/article/10.1007/s10519-011-9443-8

　- Wookyeon Hwang*, Helen Zhang, Subhashis Ghoshal, FIRST Combining Forward
　　Iterative Selection and Shrinkage in High Dimensional Sparse Linear Regression,
　　Statistics and Its Interface, 2, 341-348, 2009 (SCIE)

　　Source: http://www4.stat.ncsu.edu/~ghoshal/papers/FIRST.pdf

　- Wookyeon Hwang, George C. Runger*, Eugene Tuv, Multivariate Statistical Process
　　Control with Artificial Contrasts, IIE Transactions, 39, 659-669, 2007 (SCI,
　　Quality and Reliability Engineering Best Application Paper Award)

　　Source: http://www.tandfonline.com/doi/abs/10.1080/07408170600899615

　- Chi-hyuck Jun*, Kwangsu Park, Wookyeon Hwang, Minbo Ju, Estimation of Failure
　　Rates and Maintenance Interval under Periodic Maintenance Policies with Minimal
　　Repair at Failure 1999, the Journal of the Korean Institute of Plant Engineering, Vol 3, 217-228, 1999 (KCI)

　　Source: http://www.papersearch.net/thesis/article.asp?KEY=1692254