AI & the web
URI
A string that identifies a resource, either by its location or by another naming system.
In everyday use
A web URL identifies a page by location, while a book's ISBN can form part of a name-based identifier.
What to keep in mind
URL is a familiar type of URI; the two labels are related but not identical.
Also searched as: Uniform Resource Identifier
Further reading
Original explanation and example by Perspectism. Further reading may cover the wider subject, rather than this exact wording. Edition updated 7 October 2026.
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