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Date & Time

20:00 UTC Wednesday 16th August 2017

Teleconference Details

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Further information can be found at SLPG meeting information


  • Discuss next priorities
  • Review proposed updates to URI standard
  • Review proposed Query language examples
  • Explore additional questions posed by Daniel

Agenda and Meeting Notes

Advanced Tables - Table Plus


Welcome and apologies

  • Review proposed Query language examples
  • Explore additional questions posed by Daniel
Next priorities

Recent publication of:

Outstanding work items:

  • Updates to SNOMED CT URI standard
  • Development of SNOMED CT Query Language
  • SNOMED CT Expression Constraint Template Language
  • Addition of new features to the SNOMED CT Template Syntax
  • Repository of normative expression constraint results / Failing cases
    • Implementers to generate EOL delimited format
    • File naming of examples and the corresponding results
    • Sorted alphabetically
    • Substrate - 20170731 international edition
    • Compare implementation outputs
  • Others?
Proposed updates to URI standard

Updates to SNOMED CT URI standard

Query Language
  • Review proposed Query Language examples
  • Additional requirements from SLPG members?
Questions from Daniel

Discuss questions from Daniel (if time permits)

  1. to support expression repositories (i.e. where the substrate is dynamic in that expressions could be added), do we need to add the ability to use the ECL to apply constraint operators to post-coordinated expressions, i.e. where a piece of the ECL string is to be interpreted as a SCG expression, e.g. << [ 404684003 | Clinical finding (finding) |: 363698007 |Finding site (attribute)| = 10200004 | Liver structure (body structure) | ]? This would correspond to a DL query.
  2. to support potential expansion of the SNOMED CT logic profile, do we need to extend SCG to support axioms as opposed to only expressions, for example to allow (non-hidden) GCAs to be stated in SCG?
  3. we need an SNOMED CT OWL specification, i.e. how is SNOMED CT (concepts and descriptions) represented in OWL. Is this within the scope of this group?
Confirm next meeting date/time

Next meeting to be held at 20:00 UTC on Wednesday 30th August 2017

Meeting Files