Julie Simmons Ivy

Optimizing Masks and Random Screening Test Usage within K-12 Schools

Zhang, Y., Mayorga, M. E., Ivy, J. S., & Swann, J. L. (2025, January 1). MDM Policy & Practice, Vol. 10.

Predicting patient enrollment in a telephone-based principal care management service using topic modeling

Rus, A. M. M., Ivy, J. S., Chi, M., Plyler, M., Wells-Gray, E., & Mayorga, M. E. (2025, September 18). PLOS Digital Health, Vol. 4.

COVSIM: A stochastic agent-based COVID-19 SIMulation model for North Carolina

Rosenstrom, E. T., Ivy, J. S., Mayorga, M. E., & Swann, J. L. (2024, February 23). Epidemics, Vol. 46.

Potential impact of annual vaccination with reformulated COVID-19 vaccines: Lessons from the US COVID-19 scenario modeling hub

Jung, S.-mok, Loo, S. L., Howerton, E., Contamin, L., Smith, C. P., Carcelén, E. C., … Lessler, J. (2024, April 17). PLoS Medicine, Vol. 21.

Toward a More Diverse and Equitable Food Distribution System: Amplifying Diversity, Equity and Inclusion in Food Bank Operations

Hamilton, M., Morrow, B. F., Davis, L. B., Morgan, S., Ivy, J. S., Jiang, S., … Hilliard, K. (2024, April 22). Production and Operations Management.

Evaluation of the US COVID-19 Scenario Modeling Hub for informing pandemic response under uncertainty

Howerton, E., Contamin, L., Mullany, L. C., Qin, M., Reich, N. G., Bents, S., … Lessler, J. (2023, November 20). Nature Communications, Vol. 14.

Quantifying association and disparities between diabetes complications and COVID-19 outcomes: A retrospective study using electronic health records

Paramita, N. L. P. S. P., Agor, J. K., Mayorga, M. E., Ivy, J. S., Miller, K. E., & Ozaltin, O. Y. (2023, September 28). PLoS ONE, Vol. 18.

Resiliency within the Socio-Ecological System of a Large Food Bank Network: Preparing, mitigating, responding, and recovering from Hurricane Florence

Hasnain, T., Walton, T. N., Odubela, K., McConnell, S., Davis, L., Ivy, J., … Mpere, E. (2023, February 11). International Journal of Disaster Risk Reduction.

An Approach to Population Synthesis of Engineering Students for Understanding Dropout Risk

Dorris, D., Ivy, J., & Swann, J. (2022, December 11). 2022 Winter Simulation Conference (WSC), pp. 677–688.

Checklists in Healthcare: Operational Improvement of Standards using Safety Engineering - Project CHOISSE — A framework for evaluating the effects of checklists on surgical team culture

Perera, G. N., Hey, L. A., Chen, K. B., Morello, M. J., McConnell, B. M., & Ivy, J. S. (2022, May 23). Applied Ergonomics, Vol. 9.

Could Earlier Availability of Boosters and Pediatric Vaccines Have Reduced Impact of COVID-19?

Rosenstrom, E. T., Ivy, J. S., Mayorga, M. E., & Swann, J. L. (2022, December 11). 2022 Winter Simulation Conference (WSC), pp. 1092–1103.

Modeling the Impact of Nonpharmaceutical Interventions on COVID-19 Transmission in K-12 Schools

Zhang, Y., Mayorga, M. E., Ivy, J., Lich, K. H., & Swann, J. L. (2022, July 1). MDM Policy & Practice, Vol. 7.

Optimizing the First Response to Sepsis: An Electronic Health Record-Based Markov Decision Process Model

Rosenstrom, E., Meshkinfam, S., Ivy, J. S., Goodarzi, S. H., Capan, M., Huddleston, J., & Romero-Brufau, S. (2022, July 22). Decision Analysis, Vol. 7.

Organizational decision‐making during COVID‐19: A qualitative analysis of the organizational decision‐making system in the United States during COVID‐19

Johnson, K., Biddell, C. B., Hecht, H. K., Lich, K. H., Swann, J., Delamater, P., … Patel, M. D. (2022, November 18). Journal of Contingencies and Crisis Management, Vol. 11.

Association of Simulated COVID-19 Vaccination and Nonpharmaceutical Interventions With Infections, Hospitalizations, and Mortality

Patel, M. D., Rosenstrom, E., Ivy, J. S., Mayorga, M. E., Keskinocak, P., Boyce, R. M., … Swann, J. L. (2021, June 1). JAMA Network Open, Vol. 6.

Data to Donations: Towards In-Kind Food Donation Prediction across Two Coasts

Sharma, E., Davis, L., Ivy, J., & Chi, M. (2021, October 19).

Elicitation of Preference among Multiple Criteria in Food Distribution by Food Banks

Hasnain, T., Orgut, I. S., & Ivy, J. S. (2021, August 6). Production and Operations Management.

Modeling the role of efficiency for the equitable and effective distribution of donated food

Islam, M. H., & Ivy, J. S. (2021, June 16). OR Spectrum.

Proximity of Cellular and Physiological Response Failures in Sepsis

Jazayeri, A., Capan, M., Ivy, J., Arnold, R., & Yang, C. C. (2021, July 21). IEEE Journal of Biomedical and Health Informatics.

The SMART Framework: Selection of Machine Learning Algorithms With ReplicaTions—A Case Study on the Microvascular Complications of Diabetes

Swan, B. P., Mayorga, M. E., & Ivy, J. S. (2021, July 7). IEEE Journal of Biomedical and Health Informatics, Vol. 2.

Evaluating Diabetic Retinopathy Screening Interventions in a Microsimulation Model

Swan, B., Nambiar, S., Koutouan, P., Mayorga, M. E., Ivy, J., Fitts, E. P., & Fransen, S. (2020, December 14). 2020 WINTER SIMULATION CONFERENCE (WSC).

The value of missing information in severity of illness score development

Agor, J., Özaltın, O. Y., Ivy, J. S., Capan, M., Arnold, R., & Romero, S. (2019, July 23). Journal of Biomedical Informatics, Vol. 97.

Exploring the Value of Waiting During Labor

Hicklin, K., Ivy, J. S., Payton, F. C., Viswanathan, M., & Myers, E. (2018, September 1). Service Science, Vol. 10, pp. 334–353.

Not all organ dysfunctions are created equal – Prevalence and mortality in sepsis

Capan, M., Hoover, S., Ivy, J. S., Miller, K. E., & Arnold, R. (2018, September 13). Journal of Critical Care.

Robust optimization approaches for the equitable and effective distribution of donated food

Orgut, I. S., Ivy, J. S., Uzsoy, R., & Hale, C. (2018, February 17). European Journal of Operational Research, Vol. 269, pp. 516–531.

Simulation model of the relationship between cesarean section rates and labor duration

Health Care Management Science, 22(4), 635–657.

Diabetes and the hospitalized patient

Nataraj, N., Ivy, J. S., Payton, F. C., & Norman, J. (2017, July 22). Health Care Management Science, Vol. 21, pp. 534–553.

LSTM for septic shock: Adding unreliable labels to reliable predictions

Zhang, Y., Lin, C., Chi, M., Ivy, J., Capan, M., & Huddleston, J. M. (2017, December 1).

Modeling for the equitable and effective distribution of food donations under stochastic receiving capacities

Orgut, I. S., Ivy, J., & Uzsoy, R. (2017, April 27). IISE Transactions, Vol. 49, pp. 567–578.

A simulation approach for evaluating medication supply chain structures

International Journal of Systems Science: Operations & Logistics, 4(1), 13–26.

Achieving equity, effectiveness, and efficiency in food bank operations: Strategies for feeding America with implications for global hunger relief

Advances in Managing Humanitarian Operations, 235, 229–256.

Assessing the reliability of the radiation therapy care delivery process using discrete event simulation

2016 10th european conference on antennas and propagation (eucap), 1233–1244.

A stochastic model of acute-care decisions based on patient and provider heterogeneity

Capan, M., Ivy, J. S., Wilson, J. R., & Huddleston, J. M. (2015, October 21). Health Care Management Science.

Individualizing and optimizing the use of early warning scores in acute medical care for deteriorating hospitalized patients

Capan, M., Ivy, J. S., Rohleder, T., Hickman, J., & Huddleston, J. M. (2015, January 15). Resuscitation.

Modeling for the equitable and effective distribution of donated food under capacity constraints

Orgut, I. S., Ivy, J., Uzsoy, R., & Wilson, J. R. (2015, July 29). IIE Transactions, Vol. 48, pp. 252–266.

Modeling the effect of public health resources and alerting on the dynamics of pertussis spread

Yaylali, E., Ivy, J. S., Uzsoy, R., Samoff, E., Meyer, A. M., & Maillard, J. M. (2015, October 2). Health Systems, Vol. 5, pp. 81–97.

The association between event learning and continuous quality improvement programs and culture of patient safety

Practical Radiation Oncology, 5(5), 286–294.

Using systems modeling to enhance public health preparedness

Health Systems, 4(1), 1–4.

A framework for modeling the complex interaction between breast cancer and diabetes

Goodarzi, S. H., McKenzie, K., Nataraj, N., Ivy, J. S., Mayorga, M., Mason, J., & Tejada, J. (2014, December 1). Proceedings of the Winter Simulation Conference 2014, pp. 1245–1256.

Combined DES/SD model of breast cancer screening for older women, I: Natural-history simulation

Tejada, J. J., Ivy, J. S., Wilson, J. R., Ballan, M. J., Diehl, K. M., & Yankaskas, B. C. (2014, October 30). IIE Transactions.

Impact of the influenza season on a hospital from a pharmaceutical inventory management perspective

Health Systems, 4(1), 12–28.

Scheduling food bank collections and deliveries to ensure food safety and improve access

Socio-Economic Planning Sciences, 48(3), 175–188.

Simulation of labor: A study of the relationship between cesarean section rates and the time spent in labor

Hicklin, K., Ivy, J. S., Myers, E. R., Kulkarni, V., & Viswanathan, M. (2014, December 1). Proceedings of the Winter Simulation Conference 2014.

Systems Engineering Methods for Enhancing the Value Stream in Public Health Preparedness: The Role of Markov Models, Simulation, and Optimization

Yaylali, E., Ivy, J. S., & Taheri, J. (2014, November 1). Public Health Reports.

Understanding the evolution of mathematics performance in primary education and the implications for STEM learning: A Markovian approach

Reamer, A. C., Ivy, J. S., Vila-Parrish, A. R., & Young, R. E. (2014, October 29). Computers in Human Behavior.

Analytic solution of the susceptible-infective epidemic model with state-dependent contact rates and different intervention policies

Yarmand, H., & Ivy, J. S. (2013, April 4). SIMULATION.

Characterizing the impact of mental disorders on HIV patient length of stay and total charges

IIE Transactions on Healthcare Systems Engineering, 3(3), 139–146.

Combined DES/SD model of breast cancer screening for older women, II: screening-and-treatment simulation

IIE Transactions, 46(7), 707–727.

Competing risks analysis in mortality estimation for breast cancer patients from independent risk groups

Zhang, S., Ivy, J. S., Wilson, J. R., Diehl, K. M., & Yankaskas, B. C. (2013, November 18). Health Care Management Science.

Identifying optimal mitigation strategies for responding to a mild influenza epidemic

Yarmand, H., Ivy, J. S., & Roberts, S. D. (2013, October 23). SIMULATION.

Optimal intervention strategies for an epidemic: A household view

Yarmand, H., & Ivy, J. S. (2013, October 31). SIMULATION.

Optimal two-phase vaccine allocation to geographically different regions under uncertainty

Yarmand, H., Ivy, J. S., Denton, B., & Lloyd, A. L. (2013, August 31). European Journal of Operational Research.

Patient-based pharmaceutical inventory management: a two-stage inventory and production model for perishable products with Markovian demand

Health Systems, 1(1), 69–83.

Simulating Public Health Capacity to Measure Performance:E. coliO157 at the North Carolina State Fair

Risk, Hazards & Crisis in Public Policy, 3(3), 69–82.

The association of breast density with breast cancer mortality in African American and white women screened in community practice

Zhang, S., Ivy, J. S., Diehl, K. M., & Yankaskas, B. C. (2012, November 9). Breast Cancer Research and Treatment.

A Conceptual Framework for Future Research on Mode of Delivery

Wu, J. M., Viswanathan, M., & Ivy, J. S. (2011, November 2). Maternal and Child Health Journal.

Cost-effectiveness analysis of vaccination and self-isolation in case of H1N1

Yarmand, H., Ivy, J. S., Roberts, S. D., Bengtson, M. W., & Bengtson, N. M. (2010, December 1). Proceedings of the 2010 Winter Simulation Conference.

Pelvic Floor Consequences of Cesarean Delivery on Maternal Request in Women with a Single Birth: A Cost-effectiveness Analysis

Xu, X., Ivy, J. S., Patel, D. A., Patel, S. N., Smith, D. G., Ransom, S. B., … DeLancey, J. O. L. (2010, January 1). Journal of Women s Health.

Univariate input models for stochastic simulation

Journal of Simulation, 4(2), 81–97.

Modeling the impact of comorbidity on breast cancer patient outcomes

Zhang, S., Ivy, J. S., Payton, F. C., & Diehl, K. M. (2009, November 6). Health Care Management Science, Vol. 13, pp. 137–154.

Quantifying the Impact of Variability and Noise on Patient Outcomes in Breast Cancer Decision Making

Quality Engineering, 21(3), 319–334.

A simulation-based approach for inventory modeling of perishable pharmaceuticals

Vila-Parrish, A. R., Ivy, J. S., & King, R. E. (2008, December 1). 2008 Winter Simulation Conference, pp. 1532–1538.

Assessing Dynamic Breast Cancer Screening Policies

Maillart, L. M., Ivy, J. S., Ransom, S., & Diehl, K. (2008, December 1). Operations Research.

Integrated reconfiguration and age-based preventive maintenance decision making

IIE Transactions, 39(12), 1085–1102.

Childbirth and pelvic floor dysfunction: An epidemiologic approach to the assessment of prevention opportunities at delivery

American Journal of Obstetrics and Gynecology, 195(1), 23–28.

A Modeling Approach to Maintenance Decisions Using Statistical Quality Control and Optimization

Quality and Reliability Engineering International, 21(4), 355–366.