Where is the difference between locating and identifying a resource?
terminology, uri, url
Solution
They can look the same, but they're not the same thing. A URL identifies something that can be transferred over some protocol (often http). A URI, can be used to identify a namespace (for example) but there might not be any content at the address.
Problem
Possible Duplicate: What's the difference between a URI and a URL? Is there any difference? I'm talking about URI for identifying, but URL for locating. Aren't both the same thing?