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My 3 Biggest Fears Regarding the DMN (Decision Model Notation) Standard

Written by Ronald G. Ross on . Posted in Decision Analysis, Decision Management, Decision Tables

A person close to the DMN (Decision Model Notation) standard recently wrote:

“Under DMN we would say that the automatic detection of the violation of a constraint is indeed a decision.”

My Response … Which part of any definition of any of the following terms in your statement would in any way, shape or form lead to the notion of “decision”?!
  • automatic
  • detection
  • violation
  • constraint
You’ve put you finger squarely on the three confusions (shortcomings) I fear most from the DMN standard — failure to:
  1. Comprehend that behavioral rules are a quite different animal from decision (or definitional) rules.
  2. View “decision” from a businessperson’s point of view.
  3. Define “decision” as meant in the real world.
Is this going to put another standard emanating from an IT background parading as a “business” paradigm? Another standard where hype beneficial to existing vendor products outweighs true clarity and innovative leadership? I am hoping for the best … I want the standard (if good) to succeed … but fear the worst. I’m afraid your statement doesn’t instill much confidence.

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Ronald G. Ross

Ron Ross, Principal and Co-Founder of Business Rules Solutions, LLC, is internationally acknowledged as the “father of business rules.” Recognizing early on the importance of independently managed business rules for business operations and architecture, he has pioneered innovative techniques and standards since the mid-1980s. He wrote the industry’s first book on business rules in 1994.

Comments (1)

  • Avatar

    David Wright (@dwwright99)

    |

    Sounds like the perspective is from using a BRMS and trying to layer decisions on top as another rule.

    We need both, but as you say, they are not the same.

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