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Uniform Resource Identifier. A compact string of characters for identifying an abstract or physical resource. A URI is either a URL or a URN. URLs and URNs are concrete entities that actually exist; A URI is an abstract superclass.
- Uniform resource identifier. A globally unique identifier for an abstract or physical resource. A URL is a kind of URI that specifies the retrieval protocol (
httporhttpsfor Web applications) and physical location of a resource (host name and host-relative path). A URN is another type of URI. - Browse Related Terms: bookmark, protocol, Resource, URI, URL, URL (Uniform Resource Locator), URN, Web resource, Web resource collection
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