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The Attribute Registry V 1.0 is one of the early deliverables from the Scalable Privacy project.

The core data elements are attributes, each of which comes from one of a defined set of specifications or standards. The images in this overview were taken directly from the ontology tool, Protégé, used to maintain the registry.


Each attribute is associated with the specification that defines it. For example, the OpenID Connect specification covers the following attributes:


An example attribute entry in the registry appears as follows (this is the Profile attribute from OpenID Connect:
Note the metadata (Object properties and Data properties) recorded in the registry for the Profile attribute. Version 1.0 contains a minimal set of metadata elements.  Other types of metadata may be added to suit emerging needs in the attribute ecosystem work.

Another example attribute entry in the registry is eduPersonPrincipalName from the eduPerson specification:
Note the relatively full Definition element in this case.  This is drawn from the specification itself.

Attribute Class

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