written in response to Jacob Feldman:http://www.brsolutions.com/2013/05/07/response-to-decisionspeak-tablespeak-annnouncement/
Jacob, Thanks! And I agree with you about the ‘executable’ part.
Our emphasis is on business-friendly, business-driven models. I believe DecisionSpeak and TableSpeak move things forward significantly in that regard. There’s no reason why decision models have to be oriented to IT development. If they are robust, they will nonetheless be executable.
I would sound a note of caution. Decision models are no silver bullet. There are issues of semantics (vocabulary) and integrity (restrictions) to be addressed.
And they don’t cover even the majority of all business rules – especially behavioral rules. If you throw everything you (should) know about business rules out the window when you use decision models, you will be in for a very rude awaking.
I’m glad we did not rush to the market. We’ve taken our time to do our homework with respect to theory (which has been out there for a great many years) and to hone our approach in real-life consulting work.
I think the results speak for themselves!
guest post by Jacob Feldman
First of all, congratulations on your new Primers that provide very detailed convention sets for the decision management domain. I quote from your documents:
* DecisionSpeak™, a set of conventions for expressing the meaning of operational business decisions.
* TableSpeak™ is a set of conventions for business-friendly representation of decision tables and their meaning (semantics) in declarative fashion.
Naturally, my first thought is: can we make these conventions EXECUTABLE? More precisely:
Can we help subject matter experts (not programmers) to:
– create documents that follow these conventions?
– automatically validate (enforce) compliance to these conventions?
– execute the compliant documents?
After a quick walking through the documents, I think the answers are YES. We, at OpenRules, should be able to build OpenRules templates (in Excel) that supports these conventions and to direct users how to apply these templates to create, validate, and execute concrete decisions, decision tables, and other types of rules. There are certainly many details how better to address certain constructions described in TableSpeak™, but they all look solvable to me.
Previously, we provided a similar implementation as soon as another decision modeling methodology (TDM) was published. Now we are working with James Taylor making business requirements created by his newest DecisionFirst Modeler executable. As you know, OpenRules is also working on a reference implementation for the DMN as this standard comes to the age. It would be only natural to provide support for the IPSpeak™ methodology. Based on our previous positive experience working with you, Gladys, and other experts from BRS, I am looking forward to making IPSpeak™ executable.
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