MnM Minutes CC 20090130

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M&M Conference Call Noon Eastern Time (Date above)


  • Woody Beeler
  • Dale Nelson
  • Andy Stechishin
  • Austin Kreisler
  • Bernard Jackson
  • Brandon Urlich
  • Craig Parker
  • Gregg Seppala
  • Ioana Singureanu
  • Patrick Loyd
  • Lloyd McKenzie
  • Mead Walker
  • Leslie Flaherty
  • Ravi Natarajan



  • Woody gave an update on the Tooling WG's decision to make sure graphic notation is not dependent on color only to distinguish different types of things.
  • Motion (Patrick/Andy) to approve last week's minutes. Motion accepted unanimously.

Hot Topic -- RMIM Diagram Representation

  • Because of issues in supporting the traditional HL7 iconography using 3rd party tools (e.g. eclipse UML diagraming tools) there is a discussion about what approach HL7 should take in the future for representing artifacts graphically.
  • Woody pointed out that we currently don't have a common example in each of the proposed representations that we can use to compare the representations effectively.
  • Questions we need to consider:
    • How willing are HL7 members to move to a new representation?
    • What are the perceived requirements?
    • How would we make a transition? Training?
    • What are the costs associated in making a change? This will clearly be a major effort.
  • Lloyd reviewed the benefits of each representation as described in the hot topic.
  • Do we believe HL7 should have a single diagram syntax for RMIMs and HMDs?
  • Are we committed to leaving the Visio tools? Tooling WG has said that the direction is to move from Visio to an Eclipse-based equivalent. The consensus on the call is that no one wants to stay on Visio-based tooling.
  • Does it make sense, just to move away from Visio, to move to a non-traditional representation for a period of time and then to move back once the traditional representation can be supported on non-Visio tools?

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