Book “DMN in Action with OpenRules”

DMN in Action with OpenRules by Jacob Feldman, PhD
A Practical Guide for Development of Business Rules and Decision Management Applications using Decision Model and Notation (DMN) Standard and OpenRules


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 and uses OpenRules to represent and execute different decision models. The book is accompanied by the software that allows you to open, and analyze, and execute all decision models discussed in this book and create your own decision models.  
The book is available at in two formats:

If you noticed errors or want to contact the author with any comments or questions, please send an email to