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Blog

/Blog/

Announcing DMN Method and Style Basics – Training and Certification

I am happy to announce a brand new class, DMN Method and Style Basics, based on the Trisotech DMN Modeler, tailored for business users.  The training includes 60-day use of the Trisotech Digital Enterprise Suite and post-class certification.  Click here to register.  Until October 31, we are offering it for the special price of $295, after [...]

By | 2016-12-29T13:40:00-08:00 October 17th, 2016|DMN|0 Comments

DMN as a Decision Modeling Language

This post is a transcript of my keynote at RuleML/DecisionCamp on July 8, 2016. I was surprised to be invited to speak here about DMN, because the inventors of DMN are here in the room but I am not one of them.  While they were off inventing DMN, I was working in the related area [...]

By | 2016-12-30T15:55:27-08:00 July 9th, 2016|DMN|1 Comment

DMN Tool Update

Since my last post on the current state of the DMN tools market, I've learned a bit more from a few vendors... Sapiens Decision The Decision Model, on which the Sapiens offering is based, can be viewed as a progenitor of DMN, but I was unaware of Sapiens' intent to support the DMN standard in [...]

By | 2016-12-29T13:40:00-08:00 June 3rd, 2016|DMN|0 Comments

DMN Tools – State of the Market May 2016

It's still early days for DMN, but a number of tools are available or have been publicly demonstrated.  Here is my impression of where we are at the moment. DecisionsFirst Modeler James Taylor's free DecisionsFirst Modeler was one of the first DMN tools available.  It allows a business user to draw DRDs and enter a wealth [...]

By | 2016-12-29T13:40:00-08:00 May 13th, 2016|DMN|1 Comment

DMN on the Rise at bpmNEXT

bpmNEXT 2016 just concluded its fourth event this week in Santa Barbara, and it was even better than ever!  One highlight for me was the rapid pace of progress in DMN implementation.  Before this event I was beginning to despair that tool vendors would implement only the barest outlines of DMN, nothing that could fulfill the [...]

By | 2016-12-29T13:40:00-08:00 April 22nd, 2016|DMN|1 Comment

More on Sub-DRDs

In my DMN 1.2 Wishlist post, one of the key items is the ability to represent a single decision node having complex decision logic with a "sub-DRD" equivalent to the boxed context representation allowed under DMN 1.1.  In his comment, James Taylor sighs loudly and adds that if I understood the spec better I would realize [...]

By | 2016-12-29T13:40:00-08:00 April 15th, 2016|DMN|2 Comments

My DMN 1.2 Wishlist

The DMN 1.2 Revision Task Force starts up this week.  I have a number of related items in my wish list.  Before submitting them to the RTF, I'll use these posts to generate some discussion.  My top ones are these: Hierarchical DRD Like a subprocess in BPMN, I'd like a decision node in DRD to be expandable [...]

By | 2016-12-29T13:40:00-08:00 April 11th, 2016|DMN|3 Comments

Routing Decisions and the DMN Method

In my book DMN Method and Style I find some fault with both The Decision Model (TDM) and the Lending example in the DMN 1.1 spec for delegating definition of a multi-step business decision to a BPMN process model instead of to where it rightfully belongs, a DMN decision model.  To me, determining something like  [...]

By | 2016-12-29T13:40:00-08:00 March 15th, 2016|BPMN, DMN|0 Comments

What Is DMN?

DMN, which stands for Decision Model and Notation, is a relatively new standard managed by OMG, the organization behind BPMN.  It is trying to do for Business Decision Management what BPMN did for Business Process Management a decade ago: empower the business to take charge of the logic that drives its operations, through a vendor-independent [...]

By | 2016-12-29T13:40:00-08:00 February 29th, 2016|DMN|0 Comments

DMN Business Knowledge Models – Love ’em or Hate ’em?

If you're like most people trying to find out about DMN by reading the spec, you focus on the diagrams and examples.  And you probably come away thinking, Yikes, what a mess!  The thing that elicits this response from most people is the proliferation of business knowledge models (BKMs), those rectangles with clipped corners that seem [...]

By | 2016-12-29T13:40:00-08:00 February 17th, 2016|DMN|0 Comments