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Re: Question on FHIR references - relative and absolute URIs

From: <tlukasik@exnihilum.com>
Date: Tue, 26 Apr 2016 15:44:56 -0400
Message-ID: <43dd239385a1d39b136900788c5815cb.squirrel@webmail04.register.com>
To: "Lloyd McKenzie" <lloyd@lmckenzie.com>
Cc: "Grahame Grieve" <grahame@healthintersections.com.au>, "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."

	 

	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

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>> +61 411 867 065

>>

>>

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>

>

> --

>

> *Lloyd McKenzie*, P.Eng.

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Received on Wednesday, 27 April 2016 08:19:39 UTC

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