Source

In oeGen, a source record represents any source of data. it can be a textual document, an interview or a document repository, even a repository of repositories. That’s why Sources are hierarchically organized.

Source
IID	Internal identifier	integer	Unique, Primary Key
Source	The source of the source (hierarchical link)	integer	key to Source.IID
Type	Source type (document, entry, repository…)	integer	key to SourceType.IID