Research

Journal Publications (international, domestic)

• Baik, S. M. and Cho, Y.* (2026), "Lifetime analysis of circular k-out-of-n: G balanced systems in a shock environment," Reliability Engineering & System Safety (SCIE, 2024 JCR Rank: 2/106), 265, 111484. [preprint]

• Ji, B.*, Hwang, Y., Kim, D., Park, J., Ryu, M., and Cho, Y.* (2025), "A lightweight AI system to generate headline messages for inventory status summarization," Systems (SCIE, 2024 JCR Rank: 25/271), 13(9), 741. 

• 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. 

• 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.

• 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, 2022 JCR Rank: 100/275), 11, 91407-91422. 

• Oh, Y. and Cho, Y.* (2022), "Scheduling of build and post processes for decomposed parts in additive manufacturing," Additive Manufacturing (SCIE, 2021 JCR Rank: 1/51), 59, 1-13.

• 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. 

• 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, 2021 JCR Rank: 105/276), 10, 38284-38298. 

• 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, 2019 JCR Rank: 29/83), 293, 27-55. [preprint]

• 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, 2017 JCR Rank: 35/52), 71 (2), 107-119. 

• Ko, Y. M.* and Cho, Y. (2014), "A distributed speed scaling and load balancing algorithm for energy-efficient data centers," Performance Evaluation (SCIE, 2013 JCR Rank: 44/102), 79, 120-133. 

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 physically balanced systems with limited operational time under a stochastic shock environment," in progress

• Cho, Y., Kim, K.*, Luedtke, J., and Linderoth, J., "SIPLIB.jl: Julia package for stochastic integer programming test problem library," in preparation [preprint]

Conference Presentations (international, domestic, oral, poster)

• 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