[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Comparable considered necessary
Dare Obasanjo wrote: > > You miss the point. An identifier is not a location. > > I could quite easily come up with two schemas, one with a target > namespace of http://www.25hoursaday.com that describes myself as a > GA Tech alumni and http://WWW.25hoursaday.COM which describes my > CD collection. Now there is no question that both of these URLs > refer to the same location on the web yet neither is there any > question that they identify different things. Actually, those can be treated as different HTTP (1.1) locations: * http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.23 Web metadata will work much better if we consistently work towards a situation where every "logical" resource has one and only one un-encoded URI. In other words, we should work towards a world where our software reflects the Web's model better than it does today. The "Host" header is a good step in that direction. Namespaces taking a hard-line about syntactic equivalence is also. But this strikes me as more of a theoretical issue than one we run into in real systems. People naturally reduce the number of names a resource has because they don't want to mess up even the small amount of metadata we have available today. For instance if you type in the wrong name for a resource Google won't give you back a cache for it. And your page rank could drop if Google doesn't know to merge multiple references to the same resource. -- "When I walk on the floor for the final execution, I'll wear a denim suit. I'll walk in there like Willie Nelson, John Wayne, Will Smith -- Men in Black -- James Brown. Maybe do a Michael Jackson moonwalk." Congressman James Traficant.
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