The listing for Uniform Resource Identifier is as follows:
Uniform Resource Identifier
URI
compact sequence of characters that identifies an abstract or physical resource
[SOURCE: IETF RFC 3986]
Note 1 to entry: URI values often identify objects not accessible via a computer network.
Per ISO, the proper format is as follows:
Uniform Resource Identifier
URI
compact sequence of characters that identifies an abstract or physical resource
Note 1 to entry: URI values often identify objects not accessible via a computer network.
[SOURCE: IETF RFC 3986, modified — Note 1 to entry has been added.]