Research

International

• ConditionBased Selective Maintenance Optimization for LargeScale Systems Consisting of Many Homogeneous Units, IEEE Transactions on Reliability, , 73, 1393-1406 (2024 )
• Using statistical models for optimal packaging in semiconductor manufacturing processes, Journal of the Korean Statistical Society, , , - (2024 )
• Constrained DensityBased Spatial Clustering of Applications with Noise DBSCAN using hyperparameter optimization, KNOWLEDGEBASED SYSTEMS, , 303, - (2024 )
• Strata Design for Variance Reduction in Stochastic Simulation, Technometrics, , , - (2024 )
• Reliability Improvement of Circular kOutofN G Balanced Systems Through Center of Gravity, IEEE Access, , 11, 91407-91422 (2023 )
• QoSaware energyefficient workload routing and server speed control policy in data centers A robust queueing theoretic approach, IISE Transactions, , 55, 1242-1255 (2023 )
• Probabilistic Modeling of Fish Growth in Smart Aquaculture Systems, KSII Transactions on Internet and Information Systems, , 17, 2259-2277 (2023 )
• Optimal budget allocation for stochastic simulation with importance sampling Exploration vs replication, IISE Transactions, , 54, 881-893 (2022 )
• General EM Algorithm for Fitting NonMonotone Hazard Functions from Truncated and Censored Observations, Operations Research Letters, , 50, 476-483 (2022 )
• Power and QoSAware Job Assignment With Dynamic Speed Scaling for Cloud Data Center Computing, IEEE Access, , 10, 38284-38298 (2022 )
• Shortterm electric load forecasting for buildings using logistic mixture vector autoregressive model with curve registration, APPLIED ENERGY, , 282, - (2021 )
• Uncertainty Quantification for Extreme Quantile Estimation With Stochastic Computer Models, IEEE Transactions on Reliability, , 70, 134-145 (2021 )
• Missing data imputation using mixture factor analysis for building electric load data, Applied Energy, , 304, - (2021 )
• Nonparametric importance sampling for wind turbine reliability analysis with stochastic computer models, Annals of Applied Statistics, , 15, 1850-1871 (2021 )
• Fitting discrete phasetype distribution from censored and truncated observations with prespecified hazard sequence, OPERATIONS RESEARCH LETTERS, , 48, 233-239 (2020 )
• Economic Design and Maintenance of a Circular kOutofn G Balanced System With LoadSharing Units, IEEE Transactions on Reliability, , 69, 1465-1479 (2020 )
• Stabilizing the virtual response time in singleserver processor sharing queues with slowly timevarying arrival rates, ANNALS OF OPERATIONS RESEARCH, , 293, 27-55 (2020 )
• Adaptive importance sampling for extreme quantile estimation with stochastic black box computer models, NAVAL RESEARCH LOGISTICS, , 67, 524-547 (2020 )
• Utilizing Electricity Consumption Data to Assess the Noise Discomfort Caused by Electrical Appliances between Neighbors A Case Study of a Campus Apartment Building, Sustainability, , 12, - (2020 )
• An Efficient Building Evacuation Algorithm in Congested Networks, IEEE Access, , 7, 169480-169494 (2019 )
• Energy Efficiency of Data Center Operating Practices Server Clustering Powering OnOff and BangBang Control, NETWORKS, , 71, 107-119 (2018 )
• Strong approximations for timevarying infiniteserver queues with nonrenewal arrival and service processes, STOCHASTIC MODELS, , 34, 186-206 (2018 )
• The application rate for urology specialty compared with other specialties from 2007 to 2014 in Korea is it influenced by social interest manifested by internet trends, BMC Urology, , 18, 65- (2018 )
• Reliability evaluation of circular koutofn G balanced systems through minimal path sets, RELIABILITY ENGINEERING SYSTEM SAFETY, , 180, 226-236 (2018 )
• Charging scheduling problem of an MtoN electric vehicle charger, Applied Mathematical Modelling, , 64, 603-614 (2018 )
• Efficacy and Safety of Initial Combination Treatment of an Alpha Blocker with an Anticholinergic Medication in Benign Prostatic Hyperplasia Patients with Lower Urinary Tract Symptoms Updated MetaAnalysis, PLOS ONE, , 12, E0169248- (2017 )
• Efficacy and Safety of Prostatic Arterial Embolization Systematic Review with MetaAnalysis and MetaRegression, JOURNAL OF UROLOGY, , 197, 465-479 (2017 )
• Conditionbased joint maintenance optimization for a largescale system with homogeneous units, IISE TRANSACTIONS, , 49, 493-504 (2017 )
• Diffusion limits for the MAPtPht∞N queueing network, OPERATIONS RESEARCH LETTERS, , 45, 248-253 (2017 )
• Approximations for the Queue Length Distributions of TimeVarying ManyServer Queues, INFORMS JOURNAL ON COMPUTING, , 29, 688-704 (2017 )
• Does uneven geographic distribution of urologists effect bladder and prostate cancers mortality National health insurance data in Korea from 20072011, Oncotarget, , 8, 65292-65301 (2017 )
• Reliability Evaluation of LargeScale Systems With Identical Units, IEEE TRANSACTIONS ON RELIABILITY, , 64, 420-434 (2015 )
• Bladder Recovery by Stem Cell Based Cell Therapy in the Bladder Dysfunction Induced by Spinal Cord Injury Systematic Review and MetaAnalysis, PLOS ONE, , 10, E0113491- (2015 )
• A Simple Analysis of the Transient Period in PeertoPeer Networks, IEEE COMMUNICATIONS LETTERS, , 19, 1528-1531 (2015 )
• Geographic Distribution of Urologists in Korea 2007 to 2012, JOURNAL OF KOREAN MEDICAL SCIENCE, , 30, 1638-1645 (2015 )
• Validation and Reliability of a Smartphone Application for the International Prostate Symptom Score Questionnaire A Randomized Repeated Measures Crossover Study, JOURNAL OF MEDICAL INTERNET RESEARCH, , 16, E38- (2014 )
• A distributed speed scaling and load balancing algorithm for energy efficient data centers, PERFORMANCE EVALUATION, , 79, 120-133 (2014 )
• Critically Loaded TimeVarying MultiServer Queues Computational Challenges and Approximations, INFORMS JOURNAL ON COMPUTING, , 25, 285-301 (2013 )
• Integrating virtualization speed scaling and powering onoff servers in data centers for energy efficiency, IIE TRANSACTIONS, , 45, 1114-1136 (2013 )
• EpidemicBased Information Dissemination in Wireless Mobile Sensor Networks, IEEEACM TRANSACTIONS ON NETWORKING, , 18, 1738-1751 (2010 )
• Transient analysis of queues for peerbased multimedia content delivery, IIE TRANSACTIONS, , 42, 881-896 (2010 )

Invited Talk or Presentations

• 고객 행동 분석에서의 불균형 데이터를 위한 비용민감학습, , 0, 0, - (2023)
• 선석 배정 방식 학습 및 이를 반영한 선석 배정 최적화 모델, , 0, 0, - (2023)
• Distributionally Robust Stratified Sampling for Stochastic Simulations with Multiple Uncertain Input Models, , 0, 0, - (2023)
• Reliability Improvement of Circular koutofn G Balanced Systems through Center of Gravity Consideration, , 0, 0, - (2023)
• 로컬 가우시안 프로세스를 통한 실시간 챔버 온도 모델림, , 0, 0, - (2023)
• 날씨 변동성에 따른 PV 분포 예측 기반 전력 도매시장에서의 최적 입찰량 결정, , 0, 0, - (2023)
• 분포 강건 최적회 방법을 통한 낮은 빈도의 청구 물품 생산 일정 최적화, , 0, 0, - (2023)
• Reliability Improvement of Circular koutofn G Balanced Systems through Center of Gravity, , 0, 0, - (2023)
• Stratified sampling for reliability analysis using stochastic simulation with multidimensional input, , 0, 0, - (2023)
• Distributionally Robust Stratified Sampling for Stochastic Simulations with Timevarying Input Models, , 0, 0, - (2022)
• ADMMBO를 통한 군집 수준 제약을 가지는 DBSCAN, , 0, 0, - (2022)
• 동일 유닛으로 구성된 대규모 시스템의 선택적 유지보수 최적화 전략, , 0, 0, - (2022)
• Distributionally robust stratified sampling method for multiple input models with input uncertainty, , 0, 0, - (2022)
• Selective maintenance optimization for a largescale multiunit system, , 0, 0, - (2022)
• Nonparametric Importance Sampling With Stochastic Computer Models, , 0, 0, - (2021)
• Collection and Analysis of Electricity Consumption Data The Case of POSTECH Campus , , 0, 0, - (2020)
• Collection and Analysis of Electricity Usage Data in University Campus The Case of POSTECH , , 0, 0, - (2020)
• 캠퍼스 전력 사용 데이터 기반의 기숙사 호실 배정 서비스 컨셉 개발, 2019 대한산업공학회 추계학술대회, 0, 0, - (2019)
• A Robust Optimization Approach for Server Speed Scaling and Load Balancing in Data Centers with ServiceLevel Agreements, , 0, 0, - (2019)
• Sojourn Time Stabilization in SingleServer Processor Sharing Queues with Slowly TimeVarying Arrival Rates, European Conference on Queueing Theory, 0, 0, - (2018)
• A Change Point Prediction Algorithm for Time Series Data with Periodic Structural Changes, INFORMS International Conference, 0, 0, - (2018)
• Opensourcebased Quality Management Software for Small and Mediumsized Enterprises, INFORMS International Conference, 0, 0, - (2018)
• An Algorithm for Evacuation Planning in Buildings Urban Integrated Networks, INFORMS International Conference, 0, 0, - (2018)
• Distributed Speed Scaling and Workload Routing Algorithm for LargeScale Data Centers A SecondOrder Approach, INFORMS Telecommunications Conference, 0, 0, - (2018)
• Conditionbased Selective Maintenance Optimization for a Largescale NonMarkovian System, INFORMS Annual Meeting, 0, 0, - (2017)
• A Distributed Server Provisioning Algorithm for Data Centers with Nonstationary User Requests, INFORMS Annual Meeting, 0, 0, - (2017)
• An Algorithm for Efficient Evacuation Planning in Congested Multiclass Timeexpanded Networks, INFORMS Annual Meeting, 0, 0, - (2017)
• Evacuation routing in multiclass timeexpanded networks with consideration of congestion, , 0, 0, - (2017)
• 중소중견기업 품질향상을 위한 통계적 품질관리도구 개발, , 0, 0, - (2017)
• 비정상 도착과정을 갖는 데이터센터의 에너지 효율적인 서버 프로비져닝, , 0, 0, - (2017)
• Conditionbased Selective Maintenance Optimization For A Largescale System, , 0, 0, - (2016)
• Energy Efficiency Of Data Center Operating Practices Server Clustering Powering Onoff And Bangbang Control, , 0, 0, - (2016)
• An MIP for Energyefficient Data Center Are servers clustered across applications, , 0, 0, - (2016)
• 재난 상황 시 대피 경로 도출 알고리즘 개발에 관한 연구, , 0, 0, - (2015)
• 건강검진 데이터와 마코프 체인을 이용한 피검진자의 만성질환 상태전이 과정 분석, , 0, 0, - (2015)
• 전기자동차 배터리 진단 및 유지보수 알고리즘 개발, , 0, 0, - (2015)
• Conditionbased Joint Maintenance Optimization for a Largescale Homogeneous Population, , 0, 0, - (2015)
• 에너지 효율적인 데이터센터의 수립을 위한 혼합정수계획법 문제 발견적 방법과 분해 방법론을 적용한 해의 탐색, , 0, 0, - (2015)
• Transient analysis of MtGs queues, , 0, 0, - (2015)
• A distributed speed scaling and load balancing algorithm for energy efficient data centers, , 0, 0, - (2014)
• Reliability Analysis of Largescale Stochastic Systems with Identical Units, , 0, 0, - (2013)
• Reliability Analysis of Largescale Wind Farms, , 0, 0, - (2013)
• A Distributed Algorithm for Energyefficient Data Center Operations, , 0, 0, - (2013)
• Distributed Resource Management for Energyefficient Data Center Operations, , 0, 0, - (2013)