ESciDoc Content Models

Definition and scope

• Content model (CModel) is a formal representation of set of structural, integrity, behavior rules associated with some content managed in an eSciDoc repository.
  • in eSciDoc content is categorized in several primary eSciDoc types: item, container, context, organizational unit etc. The primary types are subject to extension in eSciDoc.
  • in eSciDoc the CModel scope is limited to objects that are primary of type Item or Container.

Primary types

• eSciDoc primary types are complex data structures that are used to describe objects of interest for the eSciDoc system.
• primary types represent the highest level of generalizaton of eSciDoc objects (i.e. organizational units, contexts, items, containers, users, etc.)
• Items and containers primary types may be further specialized by use of the content model i.e. CModel definition.

ESciDoc_Data_Models you can find more on primary types and the eSciDoc data models.

What cModel defines

Following properties/attributes are specified within a CModel definition:

• properties: id, name, versioning-info{WOV, none}
• metadata-profiles: references to the metadata profiles
• model-specific-object-properties: (property-name, property-type, multiplicity)*
• component-types: types, multiplicity and format of files which can be associated with Items of particular CModel
• container-

Under consideration at present:

• publishing-method: todo
• pid-assignment-method: todo
• withdrawal-method: todo
• relations: todo (probably not necessary in content model definition)

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