Book "DMN in Action with OpenRules"

A Practical Guide for Decision Modeling with DMN and OpenRules



New Book "DMN in Action with OpenRules"

Book "DMN in Action"This practical guide is available from Amazon. Supporting software:

Feb 16, 2017

OpenRules 6.4.1 introduces WHY-Analyzer for Decision Modeling

The Release 6.4.1 introduces a graphical WHY-Analyzer that allows business users to analyze behavior of their DMN-based decision models

Dec 20, 2016

OpenRules Wins 10th International Rule Challenge

OpenRules®  "What-If Analyzer for Decision Modeling" won 10th International Rule Challenge Award at RuleML-2016.

July 8, 2016


Forrester Research, Inc.

"OpenRules have the most-aggressive approaches to business-expert authoring and typically requires less developer support than IBM ILOG, FICO Blaze Advisor, and JBoss BRMS.

Market Overview: Business Rules Platforms



Upcoming Events


DecisionCAMP 2017 July 3-15, 2017, London, UK

BBC 2017, Nov. 6-10, 2017, Orlando, FL, USA

Recent Events

RuleML 2016 and DecisionCAMP-2016, July 6-9 2016, New York

BBC 2015: Nov. 2-6, USA

Video "DecisionsFirst Modeler Integration with OpenRules"

Webinar "Creating and Managing Executable Decision Models"




Book "DMN in Action with OpenRules" by Jacob Feldman

A Practical Guide for Development of Business Rules and Decision Management Applications using Decision Model and Notation (DMN) Standard and OpenRules
Order the Book at Amazon for $9.95



Would you like to know how a rules-based decision model can be constructed by a non-programmer? Do you plan to build an operational decision model for your own business environment?

This practical guide explains how to do it in a step-by-step easy to understand style. It consists of a series of dialog-sessions in which an AUTHOR explains basic concepts and a READER asks questions and implements the concepts.  As a result, you will participate in building complete decision models being able to learn practical decision modeling techniques by example.

The guide is based on the Decision Model and Notation (DMN) Standard from OMG and uses OpenRules to represent and execute different decision models. If you already purchased the book at Amazon, you may get the supporting software for free by submitting the request below. You will receive access attributes to download a free evaluation version of OpenRules that includes all decision models discussed in the guide.

If you haven't purchased the book, you always may purchase the access attributes to the Evaluation or Complete versions of OpenRules for a nominal fee.


Software Request Form

I've already purchased the book "DMN in Action with OpenRules" at Amazon. Please provide me with a free access to the accompanied software using the following information:

Your Amazon Order#

You will be able to download the file "" and unzip it to your hard-drive.  The folder “openrules.dmn” will contain executable OpenRules® projects such as "DecisionHello". You need only MS Excel to open, analyze or modify the provided decision models.  You may test (execute) any decision model by double-click on the file “run.bat” from a regular Window Explorer. You may similarly create and test your own decision models.



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