Assistant Professor
Applied Probability and Operations Research 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) kyonggi (dot) ac (dot) kr; yongkyu.cho (at) kgu (dot) ac (dot) kr
Tel/Fax : +82-31-249-9654
Research Interests
Operations Research: Theory and Application
Reliability Theory and Engineering
Decision under Uncertainty
Current Position
Kyonggi University (KGU); 2024.03 - present
Assistant Professor in the Department of Industrial and Management Engineering
EducationÂ
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 Working 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
Argonne National Laboratory; 2018.02 - 2018.09
Visiting Student in the Mathematics and Computer Science DivisionÂ
Working Papers
Cho, Y. and Oh, Y.*, "Deep reinforcement learning-based production planning and control optimization in additive manufacturing foundry," in progress
Ju, J., Ko, Y. M., and Cho, Y.*, "Maintenance analysis of circular k-out-of-n: G balanced systems with limited operational time in a shock environment," in progress
Ji, B.*, Hwang, Y., Kim, D., Park, J., Ryu, M., and Cho, Y.*, "A lightweight AI system to generate headline messages for inventory status summarization," under review
Cho, Y., Ko, Y. M., and Kim, K.*, "SIPLIB.jl: Julia package for stochastic integer programming test problem library," in preparation [preprint]
Journal Publications (SCIE)
Baik, S. M. and Cho, Y.* (2025+), "Lifetime analysis of circular k-out-of-n: G balanced systems in a shock environment," Reliability Engineering & System Safety, in press [preprint]
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, 11, 91407-91422. [preprint][article]
Oh, Y. and Cho, Y.* (2022), Â "Scheduling of build and post processes for decomposed parts in additive manufacturing," Additive Manufacturing, 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, 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, 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, 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, 79, 120-133. [article]
Journal Publications (others)
Cho, Y.* (2025), "Estimating lifetime distributions of circular k-out-of-n: G balanced systems using Monte Carlo simulation," Journal of Applied Reliability (KCI), 25(1), 94-101. [article]
Cho, Y.* (2024), "Derivation of the discrete-time lifetime distribution for circular k-out-of-n: G balanced systems," Journal of Applied Reliability (KCI), 24(3), 243-251. [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. [article]
Conference Presentations
Kim, S. Y. and Cho, Y., "Analysis of the lifetime distribution of circular k-out-of-n: G balanced systems using absorbing Markov chain modeling," Joint Conference of KIIE/KORMS/KSS, Jeju, Korea, June 2025 [poster]
Kim, D., Kwak, C., and Cho, Y., "A study on embedding personal identifiers for copyright attribution in AI-generated images: A fine-tuned stable diffusion model-based approach," Joint Conference of KIIE/KORMS/KSS, Jeju, Korea, June 2025 [poster]
Baik, J. Y., Lim, C., and Cho, Y., "Analyzing the impact of demand uncertainty on vehicle operating costs in reverse logistics networks: A two-stage stochastic programming approach," Joint Conference of KIIE/KORMS/KSS, Jeju, Korea, June 2025 [poster]
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 [YouTube]
Instructor (at KGU); 2024 - present
Engineering Economic Analysis; 2024S, 2025S
Operations Reserach I; 2024F, 2025F
Operations Research II; 2024S, 2025S
Decision Analysis; 2024F, 2025F
Instructor (at KNU); 2021 - 2023
Probability and Statistics for Engineers; 2023S
Applied Statistics for Engineers; 2022F, 2023F
Engineering Accounting; 2023S
Engineering Economy; 2022F, 2023F
HCI with Data Visualization; 2021S, 2022S, 2023S
Human Factors Engineering; 2021S, 2022S, 2022F, 2023S
Management of Technology; 2021F, 2022F
Introduction to Industrial Engineering; 2023S
Introduction to Creative Engineering; 2021F, 2023F
Capstone Design Project in Industrial Engineering; 2021F, 2022F, 2023F
Teaching Assistant (at POSTECH); 2013 - 2016
Queueing Theory; 2014F, 2016F
Applied Stochastic Processes; 2015S
Operations Research II; 2015F
Probability and Statistics for Engineers; 2013S
Academic Memberships
Council Member, INFORMS Telecommunications and Network Analytics Section (TNA Section)
Council Member, Korean Institute of Industrial Engineers
Refereed Journal Review Service [ORCID]
