The information needed to build a data model is gathered during the requirments analysis. Although not formally considered part of the data modeling stage by some. methodologies, in reality the requirements analysis and the ER diagramming part of the. data model are done at the same time.
These documents are authoritative and time-tested consensus agreements. Use of the standard AIA documents provides the building owner, the architects and the contractors with a comprehensive and cohesive set of documents for a particular project.
A CDA document is a defined and complete information object that can include text, images, sounds, and other multimedia content. The HL7 Clinical Document Architecture (CDA) is a document markup standard that specifies the structure and semantics of clinical documents for the purpose of exchange.