Re: Question on FHIR references - relative and absolute URIs

Hi All:

The question of Reference content is the first 
instance of discussing altering element content 
that I can recall, so from the meeting which I 
have attended I would expect that rigorous 
round-tripping has always been the goal.

Regards
Paul


At 10:44 PM 2016-04-26, tlukasik@exnihilum.com wrote:
> >> "If we want the RDF to be an equal sibling 
> to xml and JSON then round tripping needs to be signature safe."
>
>David..
>
>Lloyd's comment points out the need for a 
>significant and non-trivial "uptick" in the 
>level of care that will have to be taken when generating RDF.
>
>I certainly haven't been to every single FHIR 
>RDF meeting (so please correct me if I'm wrong), 
>but I don't recall "signature safety" being 
>discussed much (if at all) when we've discussed aspects of round tripping.
>
>TJL
>
>
>---------------------------- Original Message ----------------------------
>Subject: Re: Question on FHIR references - relative and absolute URIs
>From: "Lloyd McKenzie" <lloyd@lmckenzie.com>
>Date: Tue, April 26, 2016 3:00 pm
>To: "Grahame Grieve" <grahame@healthintersections.com.au>
>Cc: "David Booth" <david@dbooth.org>
>"its@lists.hl7.org" <its@lists.hl7.org>
>"w3c semweb HCLS" <public-semweb-lifesci@w3.org>
>--------------------------------------------------------------------------
>
> > If we want the RDF to be an equal sibling to xml and JSON then round
> > tripping needs to be signature safe. At the moment, that means retaining
> > absolute vs. relative references.
> >
> > On Tuesday, April 26, 2016, Grahame Grieve <
> > grahame@healthintersections.com.au> wrote:
> >
> >> well, this is tricky. technically, it's not strictly required, but it's a
> >> lossy transform (lossy in both ways, in fact). One of the attractions of
> >> fhir;reference for me is that you can have an absolute reference for RDF
> >> and preserve the original fhir url
> >>
> >> Grahame
> >>
> >>
> >> On Wed, Apr 27, 2016 at 3:01 AM, David Booth <david@dbooth.org
> >> <javascript:_e(%7B%7D,'cvml','david@dbooth.org');>> wrote:
> >>
> >>> Grahame and/or Lloyd,
> >>>
> >>> In today's FHIR RDF teleconference, a question came up about relative and
> >>> absolute URIs in FHIR references.
> >>>
> >>> Must absolute and relative references be round tripped as is? I.e., do
> >>> we need to maintain the distinction between relative and absolute
> >>> references when round tripping, or can relative URIs be turned into
> >>> absolute URIs and vice versa?
> >>>
> >>> I did not see any mention of normalizing references in the discussion of
> >>> Canonical JSON:
> >>> https://hl7-fhir.github.io/json.html
> >>>
> >>> Thanks,
> >>> David Booth
> >>>
> >>>
> >>
> >>
> >> --
> >> -----
> >> http://www.healthintersections.com.au / grahame@healthintersections.com.au
> >> <javascript:_e(%7B%7D,'cvml','grahame@healthintersections.com.au');> /
> >> +61 411 867 065
> >>
> >>
> >> 
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