OK, Internet question! What are URI, URN and URL's? What are the differences between them?
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URN = Uniform Resource Names are URI's that are used for identification. Think of them as the title of a store.
URL = Uniform Resource Locator is a URI that specifies where a resource is and a way to retrieving it. Think of URL s as directions to find the store.
Differences, URI is the scheme that URN and URL make up. URN is like the name of something, and a URL is how you find it.
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In the simpilest terms, I see it as this:
How/Where:Uniform Resource Locator(URL) http://www.mahalo.com
What:Uniform Resource Name(URN) index.htm
How/WhereWhat: Uniform Resource Identifier(URI) http://www.mahalo.com/index.htm/
Now this is way over simplification. We can refer to many more services than http, many more locations than top level domain and many more resources than html pages. Semantic web pulls in lots of namespaces. So the use of URI's is heavy.
I will continue to read until I develop a better understanding of the RFC's.
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