Negation Requirements Project Minutes 25 May 2016

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Minutes

Meeting Information

HL7 PC-CIMI-POC Meeting Minutes Location: PC call line		Date: 2016-05-25 Time: 11:00-12:00 ET
Facilitator	Jay Lyle	Note taker(s)	Jay Lyle
Attendee	Name	Affiliation
y	Jay Lyle	JP Systems
y	Richard Esmond
y	Gerard Freriks
y	Rob Hausam
y	Susan Barber

Agenda

Agenda Topics

1. Review of motion from Montreal; identify a) requirements, b) principles, c) design guidance
2. Options for ensuring coverage of use case list
3. Question of use case application list
4. Scenario patterns: useful?

Minutes

Minutes/Conclusions Reached:

1. Motion from Montreal
   1. We found the following embedded in the motion(s):
      1. requirements: avoid counterintuitive semantics, intractability (hence, BL not a good idea in information model or semantics) (agreed)
         1. It may be possible to address semantic issue with DL independently of information modeling.
      2. principles: consistency (if we clarify boundaries) (agreed)
      3. design guidance:
         1. avoid Boolean negation in information models (agreed)
         2. avoid negation in unary code patterns (unclear)

Meeting Outcomes

Actions review examples for completeness, classification for accuracy (all)

Next Meeting/Preliminary Agenda Items Continue review of requirements

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