Dr Elizabeth Williams

MMath, PhD, FHEA

Articles

• Williams, E., Gartner, D. and Harper, P. 2025. Predictive and prescriptive analytics for multi-site modelling of frail and elderly patient services. Journal of the Operational Research Society (10.1080/01605682.2025.2487650)
• Williams, E., Brice, S. and Price, D. 2025. Mathematical methodology for defining a frequent attender within emergency departments. Frontiers in Disaster and Emergency Medicine 3, article number: 1462764. (10.3389/femer.2025.1462764)
• Grange, H., Johns, G., Ahuja, A., Harper, P., Williams, E. and Gartner, D. 2024. Capacity planning of virtual wards for frail and elderly patients. Healthcare 12(5), article number: 533. (10.3390/healthcare12050533)
• Williams, E., Gartner, D. and Harper, P. 2021. A survey of OR/MS models on care planning for frail and elderly patients. Operations Research for Health Care 31, article number: 100325. (10.1016/j.orhc.2021.100325)
• Williams, E., Szakmany, T., Spernaes, I., Muthuswamy, B. and Holborn, P. 2020. Discrete-event simulation modeling of critical care flow: new hospital, old challenges. Critical Care Explorations 2(9), article number: e0174. (10.1097/CCE.0000000000000174)
• Williams, E., Spearnes, I., Muthuswamy, B., Holborn, P. and Szakmany, T. 2020. 114: Mathematical modeling of critical care flow: how can we best cope with increasing demand?. Critical Care Medicine 48(1), pp. 40. (10.1097/01.ccm.0000618816.50090.25)

Conferences

• Williams, E. and Tuson, M. 2025. Optimising cardiology services: forecasting and simulation for strategic planning. Presented at: SW25, Exeter, UK, 31March - 02 April 2025Proceedings of the Operational Research Society Simulation Workshop 2025. Operational Research Society Ltd. pp. 462-463.
• Williams, E., Gartner, D. and Harper, P. 2022. Linking predictive and prescriptive analytics of elderly and frail patient hospital services. Presented at: 10th IEEE International Conference on Healthcare Informatics (ICHI 2022), Rochester, MN, United States, 11-14 June 20222022 IEEE 10th International Conference on Healthcare Informatics (ICHI). pp. 1-1., (10.1109/ICHI54592.2022.00071)
• Gartner, D., Williams, E. and Harper, P. 2022. Prescriptive healthcare analytics: a tutorial on discrete optimization and simulation. Presented at: 10th IEEE International Conference on Healthcare Informatics (ICHI 2022), Rochester, MN, United States, 11-14 June 2022.

Thesis

• Williams, E. 2023. Linking predictive and prescriptive analytics for modelling healthcare services for frail and elderly patients. PhD Thesis, Cardiff University.

• Williams, E., Gartner, D. and Harper, P. 2021. A survey of OR/MS models on care planning for frail and elderly patients. Operations Research for Health Care 31, article number: 100325. (10.1016/j.orhc.2021.100325)
• Williams, E., Szakmany, T., Spernaes, I., Muthuswamy, B. and Holborn, P. 2020. Discrete-event simulation modeling of critical care flow: new hospital, old challenges. Critical Care Explorations 2(9), article number: e0174. (10.1097/CCE.0000000000000174)