Difference between revisions of "ESciDoc Logical Data Model/SurrogateItem"
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==Introduction== | ==Introduction== | ||
This page provides general overview on the | This page provides general overview on the SurrogateItem resources within the eSciDoc repository. General introduction available at [[ESciDoc_Logical_Data_Model|eSciDoc Logical Data Model]] page. | ||
==Model description== | ==Model description== | ||
Revision as of 16:44, 28 October 2009
Introduction[edit]
This page provides general overview on the SurrogateItem resources within the eSciDoc repository. General introduction available at eSciDoc Logical Data Model page.
Model description[edit]
- An Item represents minimal unit of content managed in the eSciDoc repository. Each Item comprises of:
- at least one MetadataRecord i.e. one or more metadata descriptions of the overall content of the item
- zero or more Component - the actual (or externally referenced) content and at least one metadata description
eSciDoc data model additionally defines the concept of a SurrogateItem as a "proxy" object to a resource which can reside in or outside the eSciDoc repository. See also SurrogateItem for more details.
UML Diagram[edit]
- For simplicity reasons properties of the objects are not represented on the diagram. Properties are managed by the escidoc repository itself and may change during time. For more information on the properties and ther usage please check the documentation available at eSciDoc Item Service.