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Hyo Kyung Lee

4 accepted papers

2026

Frictional Q-Learning

ICML 2026poster

Off-policy reinforcement learning suffers from extrapolation errors when a learned policy selects actions that are weakly supported in the replay buffer. In this study, we address this issue by drawing an analogy to static friction in classical mechanics. From this perspective, the replay buffer is …

Cited by 0SourceScholar
2022

A Decision Support System on Postoperative Care Management of Total Joint Replacement Patients Using Clinical Outcome Measurement

RA-L 2022

The postoperative care of total joint replacement patients is of interest to healthcare practitioners due to the high number of annual replacements and growing economic burden on the U.S. healthcare system. Minimizing postoperative care costs and maximizing patients’ functional outcomes are the key

Cited by 0SourceScholar
2020

Workforce Allocation in Motorcycle Transmission Assembly Lines: A Case Study on Modeling, Analysis, and Improvement

RA-L 2020

This letter presents a case study of workforce allocation in a gear assembly line at a motorcycle powertrain manufacturing plant. Through structural modeling of operators' work flow and part flow, assembly system models with different configurations are developed. Using iterative aggregation techniq

Cited by 8SourceScholar
2018

Bottleneck Analysis to Improve Multidisciplinary Rounding Process in Intensive Care Units at Mayo Clinic

RA-L 2018

In a hospital's intensive care unit (ICU), multidisciplinary rounding (MDR) is a combination of care management with various healthcare providers from different clinical expertise meeting together to coordinate patient care, establish daily goals, and determine treatment plans. Such meetings require

Cited by 6SourceScholar