URI

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Definition

• A Uniform Resource Identifier (URI) is a compact sequence of characters that identifies an abstract or physical resource. (RFC 3986).

Like most other fundamental Internet specifications, resources identifiers are publishes as RFCs.

• In practical terms, URIs are either URLs or URNs (read these articles for now).

References

Standards

• RFC 3986 URI Syntax

Related standards

• URN Syntax
• RFC 1738 - URL Syntax