Re: Media type for FHIR RDF in Turtle

Hello all,

Even though I don't have enough knowledge about FHIR RDF, I think sticking
with the general media type is a better way than inventing something new.

FHIR resources should be identified by their URIs not media types so the
first thing that needs to be given is a URI not "some RDF". It totally
depends on how we get the URI to find out whether the URI is about a FHIR
resource.

As Martynas wrote, "with RDF, you retrieve it and make rules that apply to
the vocabularies used in it (properties, types etc)." But before requesting
it, you should first know the URI by searching it or by just following it
from another resource. In either case, you can easily figure out what the
URI represents. Your search criteria or a property that links one resource
to another says what the URI is for.

Best regards,
James

On Wed, Feb 17, 2016 at 9:08 AM Grahame Grieve <
grahame@healthintersections.com.au> wrote:

> hi David
>
> So there's a few issues. The first is, given some rdf, is the only way to
> find out whether it represents something worth treating as a FHIR resource
> to actually parse it, and search it for FHIR resources? You seem to
> think that the answer is yes
>
> The second is, given some resources that do contain at least one
> fhir resource, how to you determine whether there's a single
> nominated 'this is the resource' in the way that XML and JSON
> do it. Do you have to get a list of all the uris that represent
> resources, and try to figure out their relationships to determine
> if there is one primary (that won't work...)
>
> And finally, given that you can even figure out that there is a single
> resource, how do you know that it's represented completely?
>
> it seems to me that there's an inherent statement about the
> package itself here - this package represents a single, whole,
> FHIR resource that is equivalent to what you would get in XML
> or JSON.
>
> (because there's lots of usages for RDF graphs that include
> a set of sibling resources that have no equivalent XML/json
> representation, though we could choose to prohibit that, I suppose)
>
> Grahame
>
> On Wed, Feb 17, 2016 at 9:02 AM, David Booth <david@dbooth.org> wrote:
>
>> However, one thing the RDF does not do: it does not tell you the
>> boundary of what is included in a document.  If a FHIR resource is
>> represented in RDF, there is nothing explicit in it to indicate that the
>> document contains all and only the RDF triples for that FHIR resource.
>> This is a little different from the XML and JSON worlds, in which there
>> is an explicit top element, with everything else nested inside.  But
>> aside from that caveat, one should be able to look at the RDF triples to
>> see that it contains a fhir:AllergyInterance resource, for example.
>>
>> Actually, I'm noticing that our current example is lacking the explicit
>> mention of fhir:AllergyIntolerance, so I've raise an issue about that:
>> https://github.com/w3c/hcls-fhir-rdf/issues/8
>>
>> David
>>
>> On 02/16/2016 03:11 PM, Grahame Grieve wrote:
>>
> > On Wed, Feb 17, 2016 at 6:27 AM, Martynas Jusevičius
>>
> > <martynas@graphity.org <mailto:martynas@graphity.org>> wrote:
>> >
>> >     In what way can a piece of Turtle be a resource?
>> >
>> >
>> > it represents a statement of the content of a fhir resource
>> >
>> > btw, I am presently using 'text/turtle; x-dialect=fhir', but I have no
>> > particular feeling for this
>> >
>> > Grahame
>> >
>> >
>> >     With RDF, you retrieve it and make rules that apply to the
>> >     vocabularies used in it (properties, types etc).
>> >
>> >     On Tue, Feb 16, 2016 at 8:10 PM, Grahame Grieve
>> >     <grahame@healthintersections.com.au
>>
> >     <mailto:grahame@healthintersections.com.au>> wrote:
>> >      > So how do you know that a piece of turtle is a resource? The
>> >     theory of a
>> >      > restful interface is that you make rules that apply to a mime
>> >     type, but
>> >      > evidently not in the case of rdf...
>> >      >
>> >      > Grahame
>> >      >
>> >      >
>> >      > On Wednesday, 17 February 2016, David Booth <david@dbooth.org
>>
> >     <mailto:david@dbooth.org>> wrote:
>> >      >>
>> >      >> Hi Grahame,
>> >      >>
>> >      >> On today's call
>> >      >> http://www.w3.org/2016/02/16-hcls-minutes.html#action02
>> >      >> we discussed what media type we should use for FHIR RDF
>> >     serialized in
>> >      >> Turtle.  The existing (generic) Turtle media type is text/turtle
>> >     .  The
>> >      >> consensus is that we should stick with that for FHIR in Turtle..
>> >     Do you (or
>> >      >> anyone else) see any problem in using that?  (And if so, what
>> >     media type do
>> >      >> you think we should use for FHIR in Turtle?)
>> >      >>
>> >      >> thanks,
>> >      >> David Booth
>> >      >>
>> >      >>
>> >      >>
>> >
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