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- FHIR Working Meeting

Attendees:

John Walker

Burak Serdar 

Topics:  Summarize feedback to the larger Working Group 

  1. FHIR OCA  
    1. Updates

- FHIR FG Working Meeting

- FHIR Working Meeting

Attendees:

John Walker

Burak Serdar 

Mukund Parthasarathy

Topics:  Summarize feedback to the larger Working Group 

  1. FHIR OCA  
    1. Update Burak's dynamic OCA schema development - Burak presented slides of his dynamic overlay generation approach, slide deck from the
    2. MP / JW update on JSON-LD context file leverage - discussion on the usage of FHIRcat JSON-LD context files.

...

 - FHIR FG Working Meeting

- FHIR Working Meeting

Attendees:

John Walker

Burak Serdar 

Mukundan Parthasarathy

Jim St. Clair

Topics:  Summarize feedback to the larger Working Group 

  1. FHIR OCA Demo 
    1. Overview 
    2. Repo review

General Business: 

  • JW 



 - FHIR Working Meeting

Attendees:

John Walker

Burak Serdar 

Mukundan Parthasarathy

Topics:  Summarize feedback to the larger Working Group 

  1. OCA Core Data Types
    1. Will require a type mapping from FHIR 
    2. This work effort and team has concerns with this conversions on healthcare data
    3. We understand that the BIT attributes will remain OCA base schema
    4. Projection Overlays - Extensions - still WIP
      1. Projection overlay definition:  "The projection overlay should describe the transformation of external schema / data object representations into an OCA formatted schema instance. The projection overlay would require a source and destination schemas.
        1. Projection Overlay working notes

General Business: 

  • JW 

- FHIR Working Meeting

Attendees:

John Walker

Burak Serdar 

Mukundan Parthasarathy

Topics:  Summarize feedback to the larger Working Group 

  1. Following from  "Transformation of OCA Artifacts" discussion
    1. Feedback from presentation 
    2. Candidate RFC's
      1. Removal of BIT attributes from OCA base schema
        1. This approach would allow OCA to leverage existing / multiple BIT based schemas 
    3. Projection Overlays - Extensions 
      1. Projection overlay definition:  "The projection overlay should describe the transformation of external schema / data object representations into an OCA formatted schema instance. The projection overlay would require a source and destination schemas.
        1. Projection Overlay working notes

...

  • JW - In the conversion of the DSWG to ISWG, it seems the working notes from 2 meetings have been 'misplaced' - we'll inquire if they can be re-inserted?
  • Holiday Schedule - next meeting will be Thursday Jan 7, 2021

- FHIR Working Meeting

Attendees:

John Walker

Burak Serdar 

Topics:  Summarize feedback to the larger Working Group 

  1. Following up from Tuesday's WG working meeting and the "Transformation of OCA Artifacts" discussion
    1. Feedback from presentation 
      1. We've had no feedback other than what was shared in the meeting.
      2. Link to presentation: 
    2. Candidate RFC's
      1. Projection Overlays
      2. Removal of BIT attributes from OCA base schema
        1. This approach would allow OCA to leverage existing / multiple BIT based schemas 
    3. Overlays - Extensions 
      1. Projection overlay definition:  "The projection overlay should describe the transformation of external schema / data object representations into an OCA formatted schema instance. The projection overlay would require a source and destination schemas.
        1. (Please see Google doc - WIP)

General Business: 

  • TBD

- FHIR Working Meeting

Attendees:

John Walker

Mukundan Parthasarathy

...

Albert (SSI/Blockchain startup, Bordeaux, France)

Topics:  Summarize feedback to the larger Working Group 

  1. Following up from the last working meeting on the topic of taking a complex, nested json object and render that into OCA Base + Overlays
    1. Simple demonstration of an example FHIR resources expressed as JSON-LD 
      1. ex: Immunization resource instances
        1. Use these instances to demonstrate the potential variations in valid instance within the same bundle 
        2. Ex: What is the syntax for selecting Immunization/vaccineCode/coding/code?
        3. How does this work with array fields: Immunization/performer is an array of objects, how do you select all of them? How do you select a particular one?
        4. Use this example to explain the use of a "projection overlay" for instance mapping
    2. Overlays - Extensions 
      1. Blinding Identity Overlay - Assume that the BIT attribute assignment in the base schema is a union of all potentially attributes needing 'blinding' 
      2. Demonstrate the use of  'conformance-type' and 'conformance spec'  as the specification mechanism to identify blinded attributes → drive the related RFC discussion
        1. Agreement on handling profiles/extensions via conformance-type and conformance-spec headers v/s separate overlay for handling conformance to profiles such as us-core etc.
        2. [Burak] Overlay selector idea based on use cases (to be explored: tags, fhirpath or some such spec to identify the use cases/context for use of overlays)
      3. Demonstrate the use of the Masking Overlay to apply blinding to an FHIR OCA instance
        1. Projection overlay for flattening. Sub-setting overlay may not meet all the needs. Barak shared ideas around a "mapping" format that can be used in the definition of the Projection overlay, so as to simplify the "flattening" problem, for the purposes of data capture/display in OCA "forms".
      4. Potential uses of the Subset Overlay 
        1. Discussion

...

Attendees:

John Walker

Mukundan Parthasarathy

...

Attendees:

John Walker

Mukundan Parthasarathy

...

Attendees:

John Walker

Mukundan Parthasarathy

...

9/10/2020 - FHIR FG Working Meeting

Attendees:

John Walker

Mukundan Parthasarathy

...

9/3/2020 - Kick Off FG Working Meeting

Attendees:

John Walker

Mukundan Parthasarathy

...