[whatwg] RDFa

Julian Reschke julian.reschke at gmx.de
Sat Aug 23 03:35:28 PDT 2008

Ian Hickson wrote:
> On Sat, 23 Aug 2008, Julian Reschke wrote:
>> Again you're confusing HTTP URLs with URIs.
>> Using URIs as identifiers allows lots of identification schemes other 
>> than HTTP, in particular ones that are not based on DNS, or that use 
>> DNS, but include a timestamp to address the concern of "losing" a domain 
>> name (tag URI scheme).
> Sure, but most people use HTTP URIs anyway for namespaces.
> You can use any URI or any system you want with class="". The key is just 
> to make it unique enough that clashes won't happen. In practice, names 
> like "dc:title" are actually quite unique enough. But people can use much 
> more unique ones if desired, all the way to full URIs.

Yes, but unless they actually do use URIs, there's always the potential 
of clashes. They may be unlikely, but they are possible -- that's one of 
the reasons we have URIs, remember?

BR, Julian

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