Publications

Journal Publications

(∗: corresponding author, †: student advised by me)

2026

Fed-Joint: Joint Modeling of Non-parametric Degradation Signals and Failure Events for Remaining Useful Life Prediction using Federated Learning

Cheong, J. and Yue, X., and Chung, S.*

Reliability Engineering and System Safety, 267 (A), 111833.

2026

Fairness in Machine Learning-based Hand Load Estimation: A Case Study on Load Carriage Tasks

Rahman, A.†, Sol, L., and Chung, S.*

Applied Ergonomics, 130, 104642.

2026

Federated Automatic Latent Variable Selection in Multi-output Gaussian Processes

Gao, J†. and Chung, S*

Pattern Recognition, 172 (Part A), 112410.

2025

An Optimization Model and Algorithm for Job Scheduling with Extra Resource Allocation in Shipbuilding

Chung, S., Park, C., Cha, H.*, and Cheong, T.*

International Journal of Production Research.

2025

Real-time Adaptation for Time-series Signal Prediction Using Label-aware Neural Processes

Chung, S.* and Kontar, R.

Reliability Engineering & System Safety, 257, 110833.

QCRE Best Track Paper Finalist, 2024 IISE Annual Conference

2024

Network of Artificial Olfactory Receptors for Spatiotemporal Monitoring of Toxic Gas

Baek, Y., Bae, B., Yang, J., Cho, W., Sim, I., Yoo, G., Chung, S., Heo, J.*, and Lee, K.*

Science Advances, 10(42), eadr2659.

2024

Federated Multi-output Gaussian Processes

Chung, S. and Kontar, R.*

Technometrics, 66(1), 90–103.

Quality, Statistics, and Reliability Best Paper Finalist, 2022 INFORMS Annual Meeting

2024

Federated Condition Monitoring Signal Prediction with Improved Generalization

Chung, S. and Kontar, R.*

IEEE Transactions on Reliability, 73(1), 438–450.

2022

Weakly-supervised Multi-output Regression via Correlated Gaussian Processes

Chung, S., Kontar, R.*, and Wu, Z.

INFORMS Journal on Data Science, 1(2), 115–137.

QCRE Best Student Paper Finalist, 2021 IISE Annual Conference

2022

A Multi-stage Approach for Knowledge-guided Predictions with Application to Additive Manufacturing

Chung, S., Chou, C.-H., Fang, X., Kontar, R.*, and Okwudire, C.

IEEE Transactions on Automation Science and Engineering, 19(3), 1675–1687.

2021

The Internet of Federated Things (IoFT)

Kontar, R.*, Shi, N., Yue, X., Chung, S., Byon, E., Chowdhury, M., Jin, J., Kontar, W., Masoud, N., Noueihed, M., Okwudire, C. E., Raskutti, G., Saigal, R., Singh, K., and Ye, Z.

IEEE Access, 9, 156071.

Featured Article of the Year, IEEE Access

2021

Look-ahead Decision Making for Renewable Energy: A Dynamic "Predict and Store" Approach

Wang, J., Chung, S., AlShelahi, A., Kontar, R., Byon, E., and Saigal, R.

Applied Energy, 296, 117068.

2021

Functional Principal Component Analysis for Extrapolating Multi-stream Longitudinal Data

Chung, S. and Kontar, R.*

IEEE Transactions on Reliability, 70(4), 1321.

2020

A Mathematical Programming Approach for Integrated Multiple Linear Regression Subset Selection and Validation

Chung, S., Park, Y.-W.*, and Cheong, T.

Pattern Recognition, 108, 107565.

2020

Intelligent Traffic Control for Autonomous Vehicle Systems Based on Machine Learning

Lee, S., Kim, Y., Kahng, H., Lee, S.-K., Chung, S., Cheong, T., Shin, K., Park, J., and Kim, S. B.∗

Expert Systems with Applications, 144, 113074.

2018

Accounting for Fairness in a Two-stage Stochastic Programming Model for Kidney Exchange Programs

Lee, H., Chung, S., Cheong, T.*, and Song, S. H.

International Journal of Environmental Research and Public Health, 15(7), 1491.

2018

Sharing of Benefits from a Logistics Alliance Based on a Hub-Spoke Network: A Cooperative Game Theoretic Approach

Yea, M., Chung, S., Cheong, T.*, and Kim, D.

Sustainability, 10(6), 1855.

2017

Reformulation-linearization Technique Approach for Kidney Exchange Program IT Healthcare Platforms

Yuh, J., Chung, S., and Cheong, T.*

Applied Sciences, 7(8), 847.

Under Review & Working Papers

Submitted

Rethinking Personalized Reward Modeling for LLMs under Preference Heterogeneity via Group-Debiased Federated Learning

Kim, S., Cho, B., Oh, J., Chung, S.*, and Yun, S. Y.*

Submitted

Embodied Edge Computing for Real-time Perception in Physical AI

Bae, B., Seokho Kim, S., Choi, S. B., Sim, I., Bezzo, N.*, Hong, S.*, Heo, J.*, Lee, I.*, Chung, S.*, Fioretto, F.*, Iqbal, T.*, Kung, J.*, and Lee, K.*

Submitted

Personalizable Gait Sensing through Meta-learned On-chip Enrollment

Baek, Y., Bae, B., Seo, D., Cho, J., Sim, I., Gong, Y., Kim D., Kim, S., Kim, S., Kim, D., Chung, S., Song, S. H., Song, Y. M., Lee, Y. S., and Lee, K.*

Submitted

Gait-based Hand Load Estimation via Deep Latent Variable Models with Auxiliary Information

Gao, J†., Sol, L., and Chung, S.*

Submitted

TimeSets: A Real-Time Adaptive Prediction Framework for Multivariate Time Series

Gao, J†., Rahman, A.†, Sol, L., and Chung, S.*

Submitted

Morphology-Aware Ambiguity Learning for Wafer Defect Decision Support

Chu, S†. and Chung, S.*