UPDATE ......From Tuesday 8 April 2025 we have changed the way that Single Sign-on works on this wiki. Please see here for more information:
Update
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In larger universities the IdP/IdP IdM gathers users' attributes from several registries (payroll system, CRIS (current research information system), student registry) with varying data quality. Some attributes can even be self-asserted by the user him/herself.
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