Re: HL7/W3C: JSON-LD 1.1 @contexts for FHIR/RDF- 11am (Boston) Thursday Nov 21

That would help, from what I remember.

Jim

On Fri, Mar 20, 2020 at 2:18 PM Eric Prud'hommeaux <eric@w3.org> wrote:

> On Tue, Nov 19, 2019 at 11:04:29PM -0500, Jim McCusker wrote:
> > I remember that an issue the last time around was that a lot of property
> > names were different depending on the type they were hanging off of.
> > Originally contexts weren't going to be able to help that. Has anything
> > changed?
>
> I'm not positive I'm answering your question but just in case...
>
> JSON-LD 1.0 is context-free, meaning there is but one declaration for any
> property.
> In JSON-LD 1.1, you can nest @contexts:
>
> # Example @context:
> { "@context": {
>   "@version": 1.1,
>   "book": "http://book.example/",
>   "person": "http://person.example/",
>
>   "id": { "@id": "book:id", "@type": "@id" } ,
>   "title": "book:title",
>   "author": {
>
>     "@id": "book:author",
>     "@context": {
>       "name": "person:name" ,
>       "title": "person:title"
>     } } } }
>
> # Data
> {
>  "id": "book1",
>  "title": "how to write compelling examples",
>  "author": {
>    "name": "X",
>    "title": "Dr"
>  }
> }
>
> note that there are two uses of "title" which correspond to two
> different predicates below:
>
> # Result (Turtle)
> []
>   book:id <book1> ;
>   book:title "how to write compelling examples" ;
>   book:author [
>     person:title "Dr" ;
>     person:name "X"
>   ] .
>
>
> > Thanks,
> > Jim
> >
> > On Tue, Nov 19, 2019 at 4:13 PM David Booth <david@dbooth.org> wrote:
> >
> > > Last week we began discussing what would need to be done, to apply
> > > JSON-LD 1.1 to FHIR for RDF.  Harold Solbrig provided some slides
> giving
> > > background material on FHIR and FHIR/RDF, and explained how the FHIR
> > > specification and examples are generated by a build process.  His
> slides
> > > are at
> > >
> > >
> https://lists.w3.org/Archives/Public/www-archive/2019Nov/att-0001/FHIRandRDF2019.pdf
> > > (They arrived too late to be included in last week's minutes.)
> > >
> > > This week EricP will show and discuss experiments that he has created,
> > > for using JSON-LD 1.1 @contexts to interpret plain FHIR/JSON as RDF.
> > >
> > > Teleconference information is below.
> > >
> > > -------- Forwarded Message --------
> > >
> > > I am pleased to announce that we are re-launching the joint W3C/HL7
> > > FHIR/RDF standardization effort, with three main goals:
> > >
> > >   - Revise FHIR/RDF to be based on JSON-LD 1.1 (instead of Turtle), so
> > > that FHIR/JSON can be used directly as RDF merely by referencing a
> > > standard @context (to be defined by this work).
> > >
> > >   - Improve ease-of-use, based on experience gained to date.
> > >
> > >   - Improve documentation and guidance.
> > >
> > > Anyone interested in this work is encouraged to join the
> teleconference:
> > >
> > >      11am (Boston) Thursday Nov 7
> > >      We will use Google Hangout: http://tinyurl.com/fhirrdf
> > >
> > >      More info:
> > >      URL: http://wiki.hl7.org/index.php?title=ITS_RDF_ConCall_Agenda
> > >
> > > Thanks,
> > > David Booth
> > >
> > >
> > > --
> > Jim McCusker
> >
> > Director, Data Operations
> > Tetherless World Constellation
> > Rensselaer Polytechnic Institute
> > mccusj2@rpi.edu <mccusj@cs.rpi.edu>
> > http://tw.rpi.edu
>


-- 
Jim McCusker

Director, Data Operations
Tetherless World Constellation
Rensselaer Polytechnic Institute
mccusj2@rpi.edu <mccusj@cs.rpi.edu>
http://tw.rpi.edu