[whatwg] RDFa Features
julian.reschke at gmx.de
Wed Aug 27 07:55:38 PDT 2008
> The other advantage of unique prefixes over URIs is the one you mention:
> they are not dereferenceable. As has been mentioned on this list, that
> means nobody (human or system) will attempt to reference them, either by
> mistake or in the hope of finding something there. This avoids
> confusing learners (who on seeing a URI like those you use in examples
> may think that content it links to is relevant) and avoids unnecessary
> server load.
That's a difference (IMHO not an advantage) compared to those URIs that
are designed to be referencable. If you want non-dereferencable
identifiers, just pick the right URI scheme.
> That suggests that giving users the freedom to use either URIs or any
> other prefixes of their choice is superior to forcing them to use URIs,
Only if that other approach would still guarantee uniqueness, and I
don't see how that work reliably.
More information about the whatwg