Yongkyu Cho, Ph.D. [YouTube][Math Genealogy][Google Scholar]
Assistant Professor
Systems Operations and Management Engineering Laboratory
Department of Industrial and Management Engineering, Kyonggi University
Room 517, Engineering Building 2, 154-42, Gwanggyosan-ro, Yeongtong-gu, Suwon-si, Gyeonggi-do, Korea, 16227
E-mail: yongkyu.cho (at) kgu (dot) ac (dot) kr
Tel: +82-31-249-9654
Research Interests
Stochastic Models and Simulation
Decision Making under Uncertainty
Data-Driven Operations Management
Current Position
Kyonggi University (KGU); 2024.03 - Present
Assistant Professor in the Department of Industrial and Management Engineering
Education
Ph.D. in Industrial and Management Engineering; 2019
B.S. in Industrial and Management Engineering; 2013
Hanyang University ERICA Campus
Honor: Summa Cum Laude
Selected Experience
Kangnam University (KNU); 2021.03 - 2024.02
Assistant Professor in the Division of AI Convergence Engineering
Samsung Electronics; 2019.05 - 2021.02
Staff Engineer in the Networks Business Division
Supervisor: Dr. Kim, Dongsook
Argonne National Laboratory; 2018.02 - 2018.09
Visiting Student in the Mathematics and Computer Science Division
Supervisor: Dr. Kim, Kibaek
Working Papers
Cho, Y., Ko, Y. M., and Kim, K.*, "SIPLIB.jl: Julia package for stochastic integer programming test problem library," in progress [preprint]
Cho, Y. and Baik, S. M.*, "Reliability assessment of circular k-out-of-n: G balanced systems in a shock environment," in progress
Publications (SCIE)
Cho, Y., Baik, S. M., and Ko, Y. M.* (2023), "Reliability improvement of circular k-out-of-n: G balanced systems through center of gravity," IEEE Access (SCIE), 11, 91407-91422 [preprint][article]
Oh, Y. and Cho, Y.* (2022), "Scheduling of build and post processes for decomposed parts in additive manufacturing," Additive Manufacturing (SCIE), 59, 1-13. [preprint][article]
Cho, Y. and Ko, Y. M.* (2022), "Power- and QoS-aware job assignment with dynamic speed scaling for cloud data center computing," IEEE Access (SCIE), 10, 38284-38298 [article]
Cho, Y. and Ko, Y. M.* (2020), "Stabilizing the virtual response time in single-server processor sharing queues with slowly time-varying arrival rates," Annals of Operations Research (SCIE), 293, 27-55. [preprint][article]
Cho, Y. and Ko, Y. M.* (2018), "Energy efficiency of data center operating practices: Server clustering, powering on/off, and bang-bang control," Networks (SCIE), 71(2), 107-119. [article]
Ko, Y. M.* and Cho, Y. (2014), "A distributed speed scaling and load balancing algorithm for energy efficient data centers," Performance Evaluation (SCIE), 79, 120-133. [article]
Publications (Others)
Choi, J., Cho, Y., Kim, Y., Kim, Y., and Ji, B.* (2023), "Machine learning-based slope failure prediction model considering uncertainty of prediction," Engineering Proceedings (SCOPUS), 36(6), 1-4. [article]
Cho, Y.* (2022), "Using Python programming language for teaching Industrial Engineering subjects: A case study on Engineering Economy," Journal of Practical Engineering Education (KCI), 14(2), 245-258. [video][article]
Conference Presentations
Cho, Y., Ko, Y. M., and Kim, K., "SIPLIB.jl: Julia package for stochastic integer programming test problem library," Joint Conference of KORMS/KIIE/KSS, Yeosu, Korea, May 2024 [slides]
Choi, J., Cho, Y., Kim, Y., Kim, Y., and Ji, B., "Machine learning-based slope failure prediction model considering uncertainty of prediction," MAIREINFRA, Honolulu, HI, U.S.A., August 2023 [slides]
Ko, Y. M., Cho, Y., and Baik, S. M., "Reliability improvement of circular k-out-of-n: G balanced systems through center of gravity," INFORMS Conference on Quality, Statistics, and Reliability, Raleigh, NC, U.S.A., June 2023 [slides]
Cho, Y., Baik, S. M., and Ko, Y. M., "Reliability improvement of circular k-out-of-n: G balanced systems through center of gravity," Joint Conference of KIIE/KORMS, Jeju, Korea, June 2023 [slides]
Cho, Y. and Oh, Y., "Scheduling of build and post processes for decomposed parts in additive manufacturing," Joint Conference of KORMS/KIIE, Jeju, Korea, June 2022 [slides]
Cho, Y., "An energy-efficient operation of computing resources in cloud data centers," IFORS Conference, Seoul, Korea, August 2021 [slides]
Cho, Y., Kim, K., Luedtke, J., and Linderoth, J., "SIPLIB 2.0: Stochastic integer programming library version 2," INFORMS Annual Meeting, Phoenix, AZ, U.S.A., November 2018 [slides]
Cho, Y. and Ko, Y. M., "Service rate controls for sojourn time stabilization in single server processor sharing queues with slowly time-varying arrival rate," European Conference on Queueing Theory, Jerusalem, Israel, July 2018 [slides]
Cho, Y. and Ko, Y. M., "An energy efficient speed scaling and workload routing algorithm for large-scale data centers," INFORMS Annual Meeting, Houston, TX, U.S.A., October 2017 [slides]
Cho, Y. and Ko, Y. M., "A distributed server provisioning algorithm for large-scale data centers with time-varying stochastic user requests," Joint Conference of KIIE/KORMS/KSS, Yeosu, Korea, April 2017
Cho, Y. and Ko, Y. M., "Energy efficiency of data center operating practices: Server clustering, powering on/off without speed scaling, and bang-bang control," INFORMS Annual Meeting, Nashville, TN, U.S.A., November 2016 [slides]
Cho, Y. and Ko, Y. M., "An MIP for energy-efficient data center: Are servers clustered across applications?," INFORMS Telecommunications Conference, Boca Raton, FL, U.S.A., March 2016
Cho, Y. and Ko, Y. M., "An MIP for energy-efficient data center and its solution approach using decomposition and heuristic method," KORMS Conference, Seoul, Korea, October 2015
Teaching Experience
Instructor (at KGU); 2024 - Present
Engineering Economic Analysis; 2024-1
Operations Reserach I: Mathematical Programming; 2024-2
Operations Research II: Stochastic Modeling; 2024-1
Decision Making under Uncertainty; 2024-2
Instructor (at KNU); 2021 - 2023
Probability and Statistics for Engineers; 2023-1
Applied Statistics for Engineers; 2022-2, 2023-2
Engineering Accounting; 2023-1
Engineering Economy; 2022-2, 2023-2
HCI with Data Visualization; 2021-1, 2022-1, 2023-1
Human Factors Engineering; 2021-1, 2022-1, 2022-2, 2023-1
Management of Technology; 2021-2, 2022-2
Introduction to Industrial Engineering; 2023-1
Introduction to Creative Engineering; 2021-2, 2023-2
Capstone Design Project in Industrial Engineerng; 2021-2, 2022-2, 2023-2
Teaching Assistant (at POSTECH); 2013 - 2016
Queueing Theory; 2014-2, 2016-2
Applied Stochastic Processes; 2015-1
Operations Research II; 2015-2
Probability and Statistics for Engineers; 2013-1
Sponsored Projects
ReAL: Recycling and Remanufacturing of Aluminiums (글로벌 자원순환 네트워크의 중심 강릉옥계 지역경제 활성화)
Sponsor: Jisun Global & Gyeonggi Province
Funding Period: 2024.07 - 2025.06 (12 months)
PI: Prof. Kim, Haejoong at KGU (Prof. Cho participates as a researcher)
Development of AI-Based Inventory Status Analyzer and Automatic Mailing Model (AI기반 자재현황 분석 및 자동 메일링 모델 개발)
Sponsor: LG Electronics (LGE)
Funding Period: 2024.05 - 2024.10 (6 months)
PI: Prof. Ji, Bongjun at Kangwon National University (Prof. Cho participates as a researcher)
Toward Efficient Operations and Management in Industry 4.0 Systems using Operations Research Methodologies (경영과학 방법론을 적용한 4차 산업혁명 시스템의 운영관리 효율화)
Sponsor: Kyonggi University (KGU)
Funding Period: 2024.06 - 2025.05 (12 months)
PI: Prof. Cho, Yongkyu
Enhancement of Traffic Engineering in ICT Infrastructures supporting Smart Factories (스마트공장을 지원하는 ICT 기반시설의 트래픽엔지니어링 고도화)
Sponsor: National Research Foundation of Korea (NRF Korea)
Funding Period: 2021.09 - 2024.08 (36 months)
PI: Prof. Cho, Yongkyu
A Statistical Analysis on the Relationship between Domestic Pavement Status and Environmental Factors (통계적 기법을 이용한 국내 도로포장 상태와 환경 요인 관계 분석)
Sponsor: Korea Institute of Civil Engineering and Building Technology (KICT)
Funding Period: 2023.09 - 2024.02 (6 months)
PI: Dr. Lee, Moon-Sup at KICT (Prof. Cho participates as a guest researcher)
Awards and Fellowships
Awards
Winner (1st place): Cho, Y., Poster Contest for IME Graduate Students, Department of Industrial and Management Engineering , POSTECH; 2017
Honorable Mention: Cho, Y. and Ki, W., Campus Patent Strategy Universiade, Korea Invention Promotion Association; 2013
Fellowships
Academic Excellence Scholarship, College of Engineering Sciences, Hanyang University; 2010 - 2012
Research Skills
Stochastic Modeling & Simulation (Queueing Systems, Reliability Assessment, Teletraffic Engineering)
Mathematical Programming (Mixed Integer Linear Programming, Stochastic Optimization)
Computer Programming (Julia, Python, C++, LaTeX)
Statistical Data Analytics & Visualization
Academic Memberships
Council Member, INFORMS Telecommunications and Network Analytics Section (TNA Section)
Council Member, Korean Institute of Industrial Engineers
Associate Member, IEEE Communications Society (ComSoc)
Refereed Journal Review Service