Education

• Ph.D. in Industrial and Management Engineering; 2019

  • Pohang University of Science and Technology (POSTECH)

    • Dissertation: "Resource Management in Data Centers for Energy-Efficiency, Time-Stable Performance, and Quality-of-Service"

    • Adviser: Dr. Ko, Young Myoung

• B.S. in Industrial and Management Engineering; 2013

  • Hanyang University ERICA Campus

    • Honor: Summa Cum Laude

Selected Experience

• Korea Institute of Civil Engineering and Building Technology (KICT); 2023.09 - 2024.02

  • Guest Researcher in the Department of Highway and Transportation Research

• 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 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

• 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 Economy; 2024-1

  • Operations Research II; 2024-1

• 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

  • 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

• Enhancement of Traffic Engineering in ICT Infrastructures supporting Smart Factories; 2021.09 - 2024.08

  • Principal Investigator: Prof. Cho, Yongkyu (at KGU)

  • Sponsor: National Research Foundation of Korea (NRF)

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 Engineering, Traffic 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)