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Queueing Theory as Operational Physics: Toward Foundation Models for Manufacturing and Service Systems

Ko, Y. M.

ICIEA 2026 · Keynote

Timeseries Foundation Model for Anomaly Detection in Manufacturing Sensor Data

Kim, J.; Ko, Y. M.

IISE Annual Conference & Expo 2025, Atlanta, GA, U.S.A.

A Study on Queueing Topology For Reducing Customer Overlaps In Service Systems

Xu, J.; Ko, Y. M.; Kong, M.; Pender, J.

INFORMS Annual Meeting, Phoenix, AZ, U.S.A.

Distributionally Robust Stratified Sampling for Stochastic Simulations with Multiple Uncertain Input Models

Baik, S. M.; Ko, Y. M.; Byon, E.

INFORMS Annual Meeting, Phoenix, AZ, U.S.A.

Reliability Improvement of Circular k-out-of-n: G Balanced Systems through Center of Gravity Consideration

Ko, Y. M.; Cho, Y.; Baik, S. M.

INFORMS Conference on Quality, Statistics, and Reliability, Raleigh, NC, U.S.A.

Stratified sampling for reliability analysis using stochastic simulation with multi-dimensional input

Park, J.; Ko, Y. M.; Byon, E.

IISE Annual Conference & Expo 2023, New Orleans, LA, U.S.A.

Distributionally Robust Stratified Sampling for Stochastic Simulations with Time-varying Input Models

Baik, S. M.; Byon, E.; Ko, Y. M.

INFORMS Annual Meeting, Indianapolis, IN, U.S.A.

Selective maintenance optimization for a large-scale multi-unit system

Ko, Y. M.; Lee, E.; Ju, J.; Byon, E.

IISE Annual Conference & Expo 2022, Seattle, WA, U.S.A.

Nonparametric Importance Sampling with Stochastic Computer Models

Byon, E.; Li, S.; Ko, Y. M.

INFORMS Annual Meeting, Anaheim, CA, U.S.A.

Optimal Budget Allocation for Stochastic Simulation with Importance Sampling

Ko, Y. M.; Byon, E.

INFORMS Annual Meeting, Virtual, U.S.A.

QoS-aware energy-efficient operations of servers in data centers: Combining optimization with queueing theory

Ko, Y. M.

invited talk at Texas A&M University, online

A Robust Optimization Approach for Server Speed Scaling and Load Balancing in Data Centers with Service-Level Agreements

Baik, S. M.; Kim, M.; Ko, Y. M.; Hong, S.

INFORMS Annual Meeting, Seattle, WA, U.S.A.

Sojourn Time Stabilization in Single-Server Processor Sharing Queues with Slowly Time-Varying Arrival Rates

Cho, Y.; Ko, Y. M.

European Conference on Queueing Theory (ECQT), Jerusalem, Israel

A Change Point Prediction Algorithm for Time Series Data with Periodic Structural Changes

Jeong, D.; Ko, Y. M.

INFORMS International Conference, Taipei, Taiwan

An Algorithm for Evacuation Planning in Buildings - Urban Integrated Networks

Oh, C.; Ko, Y. M.

INFORMS International Conference, Taipei, Taiwan

Open-source-based Quality Management Software for Small and Medium-sized Enterprises

Baik, S. M.; Jeong, D.; Ko, Y. M.; Cho, Y.-J.; Ahn, S.

INFORMS International Conference, Taipei, Taiwan

Distributed Speed Scaling and Workload Routing Algorithm for Large-Scale Data Centers: A Second-Order Approach

Baik, S. M.; Ko, Y. M.

INFORMS Telecommunications Conference, Hamburg, Germany

Distributed Speed Scaling and Workload Routing Algorithm for Large-Scale Data Centers: A Second-Order Approach

Baik, S. M.; Cho, Y.; Ko, Y. M.

Joint Conference of KIIE/KORMS/KSS, Gyeongju, Korea

Stochastic Analysis: Basics and Queueing Theory

Ko, Y. M.

tutorial at KAIST, Daejeon, Korea

Reliability analysis and optimal maintenance operations for large-scale systems

Ko, Y. M.

invited talk at Hanyang University, Seoul, Korea

Data Centers in Smart Grid: Challenges and Opportunities

Ko, Y. M.

invited talk at Industrial Mathematics Workshop, Seongnam, Korea

An Energy Efficient Speed Scaling and Workload Routing Algorithm for Large-scale Data Centers

Cho, Y.; Ko, Y. M.

INFORMS Annual Meeting, Houston, TX, U.S.A.

An Algorithm for Efficient Evacuation Planning in Congested Multi-class Time-expanded Networks

Oh, C.; Kim, M. H.; Kim, B.; Choi, J. W.; Ko, Y. M.

INFORMS Annual Meeting, Houston, TX, U.S.A.

Condition-based Selective Maintenance Optimization for a Large-scale Non-Markovian System

Lee, E.; Ko, Y. M.; Byon, E.

INFORMS Annual Meeting, Houston, TX, U.S.A.

Data Centers in Smart Grid: Challenges and Opportunities

Ko, Y. M.

invited talk at KAIST Business School, Seoul, Korea

Recent Trends in Large-scale Stochastic Analysis

Ko, Y. M.

invited talk at Pusan National University, Busan, Korea

Applications of Stochastic Analysis for Optimization Problems

Ko, Y. M.

invited talk at Pusan National University, Busan, Korea

Enhancement of Quality Management Technology for Small and Medium Sized Enterprises

Ko, Y. M.

invited talk at PLM Best Practice Conference 2017, Seoul, Korea

Enhancement of Process Improvement Technology for Defect Reduction of Small and Medium Sized Enterprises

Jeong, D.; Cho, Y.; Lee, E.; Cho, Y. J.; Ahn, S.; Ko, Y. M.

Joint Conference of KIIE/KORMS/KSS, Yeosu, Korea

An Algorithm for Efficient Evacuation Planning in Congested Networks

Oh, C.; Kim, M. H.; Kim, B.; Choi, J.; Ko, Y. M.

Joint Conference of KIIE/KORMS/KSS, Yeosu, Korea

A Distributed Server Provisioning Algorithm for Energy Efficient Data Centers with Time-varying Stochastic User Requests

Cho, Y.; Ko, Y. M.

Joint Conference of KIIE/KORMS/KSS, Yeosu, Korea

Reliability Analysis and Maintenance Operations for Large-scale Systems

Ko, Y. M.

invited talk at KAIST, Daejeon, Korea

Data Centers in Smart Grid: Challenges and Opportunities

Ko, Y. M.

invited talk at Pusan National University, Busan, Korea

Condition-based Selective Maintenance Optimization For A Large-scale System

Ko, Y. M.; Byon, E.

INFORMS Annual Meeting, Nashville, TN, U.S.A.

Energy Efficiency Of Data Center Operating Practices: Server Clustering, Powering On/off And Bang-bang Control

Cho, Y.; Ko, Y. M.

INFORMS Annual Meeting, Nashville, TN, U.S.A.

Data Centers in Smart Grid: Challenges and Opportunities

Ko, Y. M.

invited talk at RIST, Pohang, Korea

Reliability Evaluation and Optimal Maintenance Planning for Large-scale Systems

Ko, Y. M.

invited talk at Yonsei University, Seoul, Korea

An MIP for Energy Efficient Data Center: Are servers clustered across applications?

Cho, Y.; Ko, Y. M.

INFORMS Telecommunications Conference, Boca Raton, FL, U.S.A.

Development of Prognostic/Diagnostic Algorithms for Electric Vehicle Battery Maintenance

Jeong, D.; Ko, Y. M.

KIIE Conference, Seoul, Korea

Analysis of Chronic Disease State Transition from Medical Checkup Data Using Markov Chain

Jung, I.; Ko, Y. M.

KIIE Conference, Seoul, Korea

Development of an Evacuation Algorithm in a Disastrous Situation

Oh, C.; Ko, Y. M.

KIIE Conference, Seoul, Korea

Condition-based Joint Maintenance Optimization for a Large-scale Homogeneous Population

Ko, Y. M.; Byon, E.

INFORMS Annual Meeting, Philadelphia, PA, U.S.A.

An MIP for Energy Efficient Data Center and its Solution Approach using Decomposition and Heuristic Method

Cho, Y.; Ko, Y. M.

KORMS Conference, Seoul, Korea

Transient analysis of M_t/G/s queues

Ko, Y. M.

Joint Conference of KORMS/KIIE/ESK/KSIE/KSS, Jeju, Korea

A Distributed Speed Scaling and Load Balancing Algorithm for Energy Efficient Data Centers

Ko, Y. M.; Cho, Y.

IFIP WG 7.3 Performance 2014, Turin, Italy

(acceptance rate: 27%, 21/77 for regular papers)

Analysis and Optimization of Large-scale Systems

Ko, Y. M.

invited talk at Pusan National University, Busan, Korea

Analysis and Optimization of Large-scale Systems

Ko, Y. M.

invited talk at KAIST, Daejeon, Korea

Reliability Analysis of Large-scale Stochastic Systems with Identical Units

Ko, Y. M.; Byon, E.

KIIE Conference, Suwon, Korea

A Distributed Algorithm for Energy-efficient Data Center Operations

Ko, Y. M.

INFORMS Annual Meeting, Minneapolis, MN, U.S.A.

Reliability Analysis of Large-scale Wind Farms

Ko, Y. M.; Byon, E.

INFORMS Annual Meeting, Minneapolis, MN, U.S.A.

Distributed Resource Management for Energy-efficient Data Center Operations

Ko, Y. M.

Joint Conference of KORMS/KIIE, Yeosu, Korea