[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] RE: XML Public Indentifier
It's a warping definition of "need". It seems you are saying this is all application dependent. I tend to agree with that but add that preserving the option is good given that one might want to strip the URLs, replace them with URNs, and archive the puppy. I am thinking about applications that have to purge information but might at a later time have to retrieve it given a change of policy. That is painful with a relational database given a lot of keyed relationships. RDDL is handy. So is a catalog. In what situation is one to be preferred over the other? I understand the namespace density problem and always have. But we can't spend two years telling the world a namespace is just a label then tell them it can also be a URL in every sense of the definition. It shocks the monkey tree. Len http://www.mp3.com/LenBullard Ekam sat.h, Vipraah bahudhaa vadanti. Daamyata. Datta. Dayadhvam.h -----Original Message----- From: Tim Bray [mailto:tbray@t...] At 01:56 PM 05/09/01 -0500, Bullard, Claude L (Len) wrote: >If the author of the namespace spec can say >on one hand that it is just a label, and on >the other hand can say he won't use a URN >that can't be dereferenced, isn't that a >contradiction? They don't *need* to point to anything to do the job for which they were defined. They are just labels. Labels that can be dereferenced to get something to tell you something about the namespace, in the case where you don't know anything, are better than those that can't [in some applications at least]. I didn't realize this when we were doing the namespace work, and at that time would have been friendlier to URNs than I am now. But RDDL [or something like it] seems awfully useful in a namespace-dense world, which seems to be the one we're getting. -Tim
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