Re: Media type for FHIR RDF in Turtle

umm, there's no way to tell whether a URI represents a FHIR resource

Grahame


On Wed, Feb 17, 2016 at 11:26 AM, James G. Boram Kim <james@snu.ac.kr>
wrote:

> 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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