Re: URI Comparisons: RFC 2616 vs. RDF

On 19/01/2011 3:55 AM, Alan Ruttenberg wrote:

> The information on how to fully determine equivalence according to the
> URI spec is distributed across a wide and growing number of different
> specifications (because it is schema dependent) and could, in
> principle, change over time. Because of the distributed nature of the
> information it is not feasible to fully implement these rules.
> Optionally implementing these rules (each implementor choosing where
> on the ladder they want to be) would mean that documents written in
> RDF (and derivative languages) would be interpreted differently by
> different implementations, which is an unacceptable feature of
> languages designed for unambiguous communication. The fact that the
> set of rules is growing and possibly changing would lead to a similar
> situation - documents that meant one thing at one time could mean
> different things later, which is also unacceptable, for the same
> reason.

Well put, I meant to point out the implications of scheme-dependence and 
you've covered it very clearly.

> David (Wood) clarifies (surprisingly to me as well) that the issue of
> normalization could be addressed by the working group. I expect,
> however, that any proposed change would quickly be determined to be
> counter to the instructions given in the charter on Compatibility and
> Deployment Expectation, and if not, would be rejected after justified
> objections on this basis from reviewers outside the working group.

+1

Dave

Received on Wednesday, 19 January 2011 09:26:03 UTC