Saturday, April 30, 2005

What do HTTP URIs Identify? - Design Issues 

What do HTTP URIs Identify? - Design Issues: "Identify abstract things not documents
Let's take the alternatives in order. These alternatives all make sense. Each one, however, has problems I can't see any way around when we consider them as a basis as
The first was,
Every web page (or many of them) are in fact themselves representations of some abstract thing, and the URI really identifies that thing, not a document at all.
Well, that wasn't the model I had when URIs were invented and HTTP was written. However, let's see how it flies. If we stick with the principle that a URI (or URIref) must unambiguously identify the same thing in any context, then we come to the conclusion that URIs can not identify the web page. If a web page is about a car, then the URI can't be used to refer to the web page."

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