A Uniform Resource Identifier (URI) is a unique sequence of characters that identifies an abstract or physical resource, such as resources on a webpage...

A Uniform Resource Name (URN) is a Uniform Resource Identifier (URI) that uses the urn scheme. URNs are globally unique persistent identifiers assigned...

and a mechanism for retrieving it. A URL is a specific type of Uniform Resource Identifier (URI), although many people use the two terms interchangeably...

scientific, and cultural objects. In 2019 it was registered as a Uniform Resource Identifier (URI). A URL that is an ARK is distinguished by the label ark:...

The Internationalized Resource Identifier (IRI) is an internet protocol standard which builds on the Uniform Resource Identifier (URI) protocol by greatly...

System; they also fit within the URI system (Uniform Resource Identifier). They are widely used to identify academic, professional, and government information...

A persistent uniform resource locator (PURL) is a uniform resource locator (URL) (i.e., location-based uniform resource identifier or URI) that is used...

paraphrased along the following lines: Uniform Resource Identifiers (URIs) should be used to name and identify individual things. HTTP URIs should be...

refers to a resource that is subordinate to another, primary resource. The primary resource is identified by a Uniform Resource Identifier (URI), and the...

percent-encoding, is a method to encode arbitrary data in a uniform resource identifier (URI) using only the US-ASCII characters legal within a URI....