Decision Modeling With DMN

Attendees will learn a structured approach to using DMN. Their knowledge is enhanced by using a Cloud-based software tool to provide hands-on practice.

The Decision Model and Notation (DMN) is a standard for decision modeling in the process of being adopted by the Object Management Group. It provides a graphical notation for specifying decisions so that decision making can be modeled separately from business processes. DMN allows both technical users and business users to describe, model and manage decision-making by providing a notation that is intuitive to business users yet able to represent complex decision making. The DMN specification also provides a mapping between the graphics of the notation to the underlying constructs of execution environments such as business rules management systems and predictive analytic environments.

The primary goal of DMN is to provide a standard notation that is readily understandable by all business stakeholders. These business stakeholders include the business analysts who also define business processes and business rules, the technical developers responsible for implementing business rules or analytic models, and the business managers who monitor and manage decision-making. DMN serves as a common language to bridge the communication gap that frequently occurs between business process design and business rules implementation.

This course starts with the definition of DMN and an outline of the principles behind its design. It then explains the elements required for modeling decision requirements and shows how to build decision requirement diagrams. The remaining elements of DMN, those required for specifying decision logic, are introduced and discussed, The course will cover the current specification as it evolves through finalization in 2013. Students are presented exercises and required to bring a laptop – they will use a cloud-based, DMN modeling tool to create the exercise answers.

Course Outline:

  • Overview of DMN
    • Definition
    • Overview of DMN Elements
    • The Decision Requirements Diagram
    • Three levels of DMN
  • Decision Requirement Diagrams
    • Decisions, Information, Knowledge
    • Decomposing Decisions
    • Exercises
  • Decision Logic Specification
    • Decision Tables
    • Expression Language
    • Additional Considerations
  • Summary

Unique Value of Course:

Attendees will learn a structured approach to using DMN.  Their knowledge is enhanced by using a Cloud-based software tool to provide hands-on practice.


  • Understand the value that DMN brings to business process and business rules projects
  • Understand the opportunities and challenges of adopting DMN
  • Learn the semantics of the DMN shapes and how best to use them
  • Explore best practices for using DMN to model decisions

Who Should Attend:

  • Business Analysts
  • Business Architects
  • Business Rules Analysts
  • Software Architects
  • Process Designers

Recommended Prior Courses:

Decision Management and Business Rules 101

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