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Efforts in this space:
- none known
Common language - Schema and Metadata
Attribute metadata is another aspect of attribute management regarding the exchange of attributes. What is needed is agreement on what the semantics are for metadata. SAML has some metadata for attributes, but much more will be needed as the growth of interoperability of attributes continues. We will need registries for attribute sets/categorization (i.e. IANA), agreement about the semantics, and mappings between sets of attributes having differing semantics
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