Introducing Hermes: Executing Clinical Quality Language (CQL) at over 66 Million Resources per Second (inexpensively)

Clinical Quality Language (CQL) has emerged as a standard for rule representation in Clinical Decision Support (CDS) and Electronic Clinical Quality Measurement (eCQM) in healthcare. While open-source reference implementations and a few commercial engines exist, there is still a market need for high-performance engines that can execute CQL queries on the scales of millions of patients. We introduce the \Hermes{} engine as the world’s fastest commercial CQL execution engine.