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Attributes in the Service Provider Federation

What kind of attributes are needed to connect to a CLARIN Service Provider?

The minimal set of required attributes:

Note: Some CLARIN services are not able to work properly with eduPersonTargetedID, thus for all cases eduPersonPrincipalName is preferred over eduPersonTargetedID.

If none of the attributes above are released by the user's Identity Provider, the user will not be able to use most CLARIN services.

The ideal set of attributes:

If not all of the attributes above are released by the user's Identity Provider, the user might be asked to provide these fields uppon first login. This lessens the privacy and usability of the application, since user data needs to be stored (persistently) outside the user's home IdP. It is also a burden to application developers, who then have to design their application to comprehensively deal with missing attributes.