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– Built on Epic Cosmos, a secure data platform, Comet is designed to predict what is likely to happen next in a patient's journey by estimating disease risk, length of stay, and treatment outcomes. The platform's goal is to address the uncertainty that clinicians face daily when making decisions about patient care, such as whether a patient should be admitted or discharged. How Comet Works Comet models are trained on sequences of time-ordered medical events, including diagnoses, labs, medications, and encounters, from millions of de-identified patient records and more than 100 billion data points. In a majority of the 78 cases evaluated, Comet was found to outperform individual models that were each specifically designed for one of the cases.