| 2017 | 2015 개정 과학과 교육과정과 교수∙학습 자료에 포함된 8가지 과학 실천 분석 | 이정원 | Master's Thesis |
| 2019 | A circled Bloom filter for the membership identification of multiple sets | 임혜숙; 이정원 | Conference Paper |
| 2017 | A new Bloom filter structure for identifying true positiveness of a Bloom filter | 임혜숙; 이정원 | Conference Paper |
| 2020 | A Novel Hardware Security Architecture for IoT Device: PD-CRP (PUF Database and Challenge-Response Pair) Bloom Filter on Memristor-Based PUF | 선우경; 이정원 | Article |
| 2016 | Antimicrobial activity of lactobacillus strains against uropathogens | 이승주; 이정원 | Article |
| 2025 | Association between long-term PM2.5 exposure and risk of infectious diseases - acute otitis media, sinusitis, pharyngitis, and tonsillitis in children: A nationwide longitudinal cohort study | 이지현; 하은희; 김혜순; 이정원; 이환희 | Article |
| 2024 | Association between long-term PM2.5 exposure and risk of Kawasaki disease in children: A nationwide longitudinal cohort study | 하은희; 김혜순; 이지영; 이정원; 이환희; 이지현 | Article |
| 2019 | Blood Pressure Reference Values for Normal Weight Korean Children and Adolescents: Data from The Korea National Health and Nutrition Examination Survey 1998-2016: The Korean Working Group of Pediatric Hypertension | 홍영미; 김혜순; 이정원 | Article |
| 2004 | Categorizing XML documents based on page styles | 이정원 | Article |
| 2021 | Characteristics of pediatric rhabdomyolysis and the associated risk factors for acute kidney injury: a retrospective multicenter study in Korea | 이정원 | Article |
| 2004 | Computing similarity between XML documents for XML mining | 박승수; 이정원 | Conference Paper |
| 2018 | D-dimer as a marker of acute pyelonephritis in infants younger than 24 months with urinary tract infection | 이정원 | Article |
| 2005 | Data cleansing for service-oriented architecture | 최병주; 이정원 | Conference Paper |
| 2008 | Development and Application of Antibodies Specific for PLC-γ1 phosphorylated at Y783 | 이정원 | Master's Thesis |
| 2019 | Effects of Prenatal Growth Status on Subsequent Childhood Renal Function Related to High Blood Pressure | 박은애; 김혜순; 박혜숙; 조수진; 박보현; 이정원 | Article |
| 2018 | Efficacy and safety of rituximab in childhood-onset, difficult-to-treat nephrotic syndrome A multicenter open-label trial in Korea | 이승주; 이정원 | Article |
| 2004 | Finding maximal similar paths between XML documents using sequential patterns | 박승수; 이정원 | Article |
| 2024 | Fluctuating risk of acute kidney injury-related mortality for four weeks after exposure to air pollution: A multi-country time-series study in 6 countries | 하은희; 강덕희; 이정원 | Article |
| 2023 | Genotype–phenotype correlation of X-linked Alport syndrome observed in both genders: a multicenter study in South Korea | 이정원 | Article |
| 2024 | Genotype–phenotype correlations in children with Gitelman syndrome | 이정원 | Article |
| 2017 | High-Speed Name Lookup Algorithms Using Bloom Filter Variants for Named Data Networking | 이정원 | Doctoral Thesis |
| 2021 | Identification of Cardiovascular Risk Factors in Obese Adolescents With Metabolic Syndrome | 홍영미; 김혜순; 이정원 | Article |
| 2019 | Implementation of multi-layer neural network system for neuromorphic hardware architecture | 신형순; 선우경; 이정원 | Conference Paper |
| 2023 | Increase of Prevalence of Obesity and Metabolic Syndrome in Children and Adolescents in Korea during the COVID-19 Pandemic: A Cross-Sectional Study Using the KNHANES | 김혜순; 박혜숙; 이정원; 이혜아; 이지현; 최정은 | Article |
| 2022 | Increasing prevalence of fasting hyperglycemia in adolescents aged 10–18 years and its relationship with metabolic indicators: the Korea National Health and Nutrition Examination Study (KNHANES), 2007– 2018 | 김혜순; 박혜숙; 이정원; 이혜아; 이지현 | Article |
| 2021 | Lower albumin level and longer disease duration are risk factors of acute kidney injury in hospitalized children with nephrotic syndrome | 이정원 | Article |
| 2026 | Microbiome and metabolomics insights into pediatric urinary tract infection: a narrative review | 이정원 | Review |
| 2021 | Obesity and chronic kidney disease: What should pediatric nephrologists know? | 이정원 | Article |
| 2001 | Preparations for semantics-based XML mining | 이기호; 이정원 | Conference Paper |
| 2024 | Protecting our future: environmental hazards and children’s health in the face of environmental threats: a comprehensive overview | 이정원 | Review |