DMN reference
- Reserved Words - Complete list of reserved keywords and symbols in DMN FEEL expressions
- Select Expression - Guide to using and optimizing DMN select expressions
Additional resources
- Best Practices - Recommended approaches for modeling decisions and processes
Further reading
A curated, vendor-neutral reading and viewing list for going deeper on business decision and process modeling. Start with the standards, then pick a book and a hands-on tool to practice with.Standards & specifications
The authoritative, freely available sources. These are the contracts that DMN-, DRL-, and BPMN-compliant tools (including the Aletyx Enterprise Build) implement.DMN specification (OMG)
The official Decision Model and Notation standard, including the FEEL
expression language and decision table semantics.
BPMN specification (OMG)
The official Business Process Model and Notation standard defining process
diagram elements and execution semantics.
bpmn.org
OMG’s BPMN portal with the quick-reference poster, examples, and a list of
supporting tools.
DRL & rules (Apache KIE)
Home of Drools, jBPM, and Kogito — the open source engines for DRL rules,
DMN decisions, and BPMN processes.
Learning DMN
Decision Model and Notation is the standard for modeling repeatable business decisions with decision tables, decision requirements diagrams (DRDs), and FEEL.DMN Method and Style
Bruce Silver’s book and training — the practical reference for building
correct, well-structured DMN models.
Real-World Decision Modeling with DMN
Bruce Silver and James Taylor’s deep-dive book on applying DMN to real
business problems end to end.
Trisotech — Learn DMN
Free articles, examples, and tutorials on DMN, decision tables, and FEEL
from a leading DMN tool vendor.
Camunda DMN tutorial
Approachable introduction to decision tables and DMN with hands-on
examples.
What is DMN?
Aletyx’s own primer on DMN and how it fits alongside DRL and BPMN.
DMN Playground
Build and test your first decision model interactively.
Learning BPMN
Business Process Model and Notation is the standard for modeling and executing end-to-end business processes that orchestrate tasks, decisions, and people.BPMN Method and Style
Bruce Silver’s book and training — the definitive guide to clear,
executable BPMN.
Real-Life BPMN
Jakob Freund and Bernd Rücker’s pragmatic, example-driven introduction to
modeling with BPMN (and DMN).
Camunda BPMN tutorial
A thorough, free online BPMN reference covering every symbol with examples.
bpmn.io
Open source BPMN, DMN, and Forms toolkit — render and edit diagrams in the
browser.
What is BPMN?
Aletyx’s own primer on BPMN and process automation.
BPMN Playground
Model and run your first process interactively.
Blogs & thought leaders
The practitioners shaping the decision and process management discipline.Aletyx blog
Decision and process automation in practice — DMN, BPMN, Kogito, and
enterprise AI from the Aletyx team.
James Taylor — Decision Management Solutions
Articles on decision management, DMN, and decision-centric design from the
co-author of the DMN standard.
Bruce Silver — Method & Style
Long-running blog on BPMN and DMN modeling practice from the author of the
Method and Style books.
Trisotech blog
Regular posts on DMN, BPMN, CMMN, and the broader business automation
landscape.
Camunda blog
Process orchestration and automation engineering, with strong BPMN and DMN
coverage.
Alex Porcelli
Longtime Drools and Kogito architect — insights on rules engines, KIE, and
open source business automation.
Ken Otto
Decision and process automation perspectives on bringing DMN and BPMN to
the enterprise.
Channels & communities
Talks, conferences, and communities where the standards are discussed and applied.DecisionCAMP
Annual vendor-neutral conference on decision management and DMN — recorded
sessions on YouTube.
Building Business Capability (BBC)
The leading conference for business analysis, business rules, and decision
management.
Apache KIE community
Mailing lists, chat, and contributor resources for Drools, jBPM, and
Kogito.
Camunda Forum
Active community Q&A on BPMN, DMN, and process automation in practice.
Next steps
Core concepts
Processes, decisions, and rules fundamentals.
Guides
Hands-on walkthroughs for modeling decisions and processes.
FAQ
Concepts, technologies, and how Aletyx fits together.
Getting started
Persona-based paths to learn quickly.