Information sources such as relational databases, spreadsheets, XML, JSON, and Web APIs contain a tremendous amount of structured data, however, they rarely provide a semantic model to describe their contents. Semantic models of data sources capture the intended meaning of data sources by mapping them to the concepts and relationships defined by a…

Background: Hospital adoption of health information technology (HIT) systems is promoted as essential to decreasing medical error and their associated 44,000 annual deaths and $17 billion in healthcare costs (Institute of Medicine, 2001; Kohn, Corrigan, & Donaldson, 1999). Leading national healthcare groups, such as the Institute of Medicine,…