Relaxed vs. Strict enforcement
By design, the predicates within the fedora namespace have been there is set of predicates and namespaces which are reserved for exclusive use by the repository software. Triples containing these values are considered to be Server Managed, the complete list of which is available here: Server Managed Triples. REST requests to the repository to change the these values have been prohibited as invalid requests. While these restrictions are advantageous in most cases, there are a few exceptions.
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