W3C

- DRAFT -

Semantic Web Health Care and Life Sciences Interest Group Teleconference

01 Nov 2016

See also: IRC log

Attendees

Present
EricP, David_Booth, Harold_Solbrig
Regrets
Chair
David Booth
Scribe
dbooth

Contents


Should we feature the JSON-LD format of FHIR more prominently?

FHIR now is now structured into modules: http://build.fhir.org/index.html

The Linked Data module: http://build.fhir.org/ontology-module.html

(Currently called the "Ontology Module", but will be rename to "Linked Data Module"

)

Suggestion for links to FHIR examples is to be listed "XML JSON Linked Data (JSON-LD or Turtle)"

that would appear in each example table like this one: http://build.fhir.org/allergyintolerance-examples.html

Eric: I prefer "RDF" there instead of "Linked Data", because it is more specific

AGREED: We'll see if we can change the example links to say "XML JSON RDF (JSON-LD or Turtle)"

Aligning custom resources with data dictionaries (EricP)

http://wiki.hl7.org/index.php?title=FHIR_Custom_Resources

http://fhir.hl7.org.au/fhir/rcpa/Colorectal-Colorectal-genexample-1.xml.html

<ericP> -> http://rdf-vocabulary.ddialliance.org/discovery.html#fig-vocabulary-overview DISCO <whoo!>

fhir.schema.org

<ericP> examples

harold: Next steps were to come up with use cases. We're going to pick up that thread and show something end of Nov, to have a poster for it at SWAT4LS

Aligning custom resources with data dictionaries (EricP)

eric: With the excitement around FHIR, people are creating custom resources

<ericP> Custome Resources

<ericP> example

eric: People say "FHIR is great! We'll do everything in FHIR!"
... Custom resources are being used for aggregates of data plucked from other resources.
... Can I turn existing data into custom resources?
... Variables from a study become attributes in a FHIR resource.
... We are spitting out FHIR structure definitions.
... Is this worthwhile?

dbooth: That allows the FHIR protocols to be reused, but others will not understand the custom resources.

eric: Harmonization between custom resources: two studies use some of the same questions, using the same URLs.

<ericP> https://www.w3.org/2016/11/ddi-disco/

eric: Goal here is, DDI is well ahead of FHIR in terms of these aggregations. If we provide a mechnical transformation to do a schema-schema transformation to produce a FHIR struture def from a DDI def, then ittakes advantage of what the DDI folks have done and brings it into FHIR.

dbooth: So one main benefit is that this causes DDI to coordinate consistent semantics between same-named/same-URI FHIR elements that appear in different custom FHIR resources? And the other benefit is the auto-generation of the custom FHIR structure defs?

eric: Not quite. The sameness is ensured by generating from the same DDI dictionary.

dbooth: How will someone seeing only custom resource A and custom resource B know that element X in A is the same as element Y in B?

eric: Additional triples are needed to say that.
... FHIR does not have any way to indicate that two elements in different resources have the same meaning.

dbooth: Does this process at least ensure that the FHIR local names are the same?

eric: No, it depends on whether it is called the same variable in different studies.
... Lloyd has on his to-do list to figure out how to express sameness across FHIR elements

ADJOURNED

Summary of Action Items

Summary of Resolutions

[End of minutes]

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Present: EricP David_Booth Harold_Solbrig
Found Date: 01 Nov 2016
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People with action items: 

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