1. A method performed by a data management system support module for automatic workflow processing in a workflow processing computer system, comprising: receiving a data management activity description; determining a set of set references associated with the data management activity; determining a set of data sources associated with the set of set references, the set of data sources being provided within a data management system; determining whether the data management system includes infrastructure for accessing the set of set references and for accessing the set of data sources; in response to determining that the infrastructure is not included, automatically creating the infrastructure from information in a metadata repository coupled to the data management system; replacing in the data management activity description references to set references and references to data sources by references to the infrastructure in the data management system; and delivering the data management activity description for execution by the data management system.