Uniform Resource Name - Wikipedia
https://en.wikipedia.org/wiki/Uniform_Resource_Name
A Uniform Resource Name (URN) is a Uniform Resource Identifier (URI) that uses the urn scheme. URNs are globally unique persistent identifiers assigned within defined namespaces so they will be available for a long period of time...
http - What is the difference between a URI, a URL and a URN?
https://stackoverflow.com/questions/176264/what-is-the-difference-between-a-uri-a-url-and-a-urn
URN -- Uniform Resource Name. The latest RFC on URIs says that any URI can now be a URN (regardless of whether it starts with urn:) as long as it has "the properties of a name."
URIs, URLs, and URNs: Clarifications and Recommendations 1.0
https://www.w3.org/TR/uri-clarification/
Section 1 addresses how URI space is partitioned and the relationship between URIs, URLs, and URNs. Section 2 describes how URI schemes and URN namespace ids are registered.
Urn | Issn
https://www.issn.org/services/online-services/urn/
With a « Uniform Resource Name », a persistent identifier specifically designed by URN, URL and URI: the logical relationships. The Uniform Resource Name (URN) shares some similarities with the...
Urn - Home | Facebook
https://www.facebook.com/Urnofficial/
Urn. 6,946 likes · 18 talking about this. Finnish Black Thrash Mayhem! One of the coolest comments ever..hail to this!! "Last time I heard Urn, they were almost a black-thrash band but this sounds...
Networking Basics: What's the Difference Between URI, URL, and URN?
https://www.cbtnuggets.com/blog/technology/networking/networking-basics-whats-the-difference-between-uri-url-and-urn
A URI (Uniform Resource Identifier) is a sequence of characters that identifies a logical or physical resource. For individual resources, that's the purpose of the URI, URN, or URL.
urn: Uniform resource identifier (uri), including a url or urn
https://www.carta.tech/man-pages/man7/urn.7.html
A Uniform Resource Name (URN) is a URI that must remain globally unique and persistent even when the resource ceases to exist or becomes unavailable.