Smarter Decision Tables Generation through Data Types Constraints

The Decision Model and Notation (DMN) is an effective, yet standardized, tool for designing complex decisions, in special decision tables. Even though...

Jozef Marko January 17, 2023

Exceptional rules, with Drools and Kogito

Managing exceptional rules is easy, thanks to Drools and Kogito! In this use-case, we have a base business process and a default knowledge base with r...

Matteo Mortari January 14, 2023

Drools Reactive Messaging processing

The latest Drools 8.31.0.Final comes with a Reactive Messaging example, which demonstrates reactively consuming messages from a Kafka topic, firing rules and then sending result messages to another Kafka topic

Toshiya Kobayashi November 29, 2022

Drools 8 Final – toward a modular and cloud native rule engine

The Drools team is happy to announce that our rule engine reached the 8 Final release. Drools 8-series is a natural evolution of the 7.x-stream, incor...

Mario Fusco October 17, 2022

Drools trouble-shooting : Memory issues

Memory issues are another frequent topic in Drools trouble-shooting. This article will explain how to solve issues like a memory leak.

Toshiya Kobayashi September 29, 2022

Transparent ML, integrating Drools with AIX360

Following up from a previous blog post about integrating Drools with the Open Prediction Service, in this new post we want to share the current result...

Matteo Mortari September 20, 2022

a DMN FEEL handbook

We’re introducing an (experimental) DMN FEEL handbook, an helpful companion for your DMN modeling activities! You can access this new helpful re...

Matteo Mortari August 18, 2022

Kogito Rules (Drools) with Java Inheritance

Comparison of a JSON array based approach vs Jackson Inheritance Annotations Introduction: “Kogito is a next generation business automation toolkit ...

Jeff Taylor August 10, 2022

Serverless Drools in 3 steps: Kogito, Quarkus, Kubernetes and Knative!

This short tutorial walks you through the configuration and deployment of a simple Drools serverless application, including autoscaling with scale to ...

Matteo Mortari August 2, 2022

Refactoring the Drools Compiler

In the past few weeks we have been working hard on redesigning the architecture of Drools the rules engine and the rest of our ecosystem of runtime en...

Edoardo Vacchi July 7, 2022

Integrating Drools DMN Engine with IBM Open Prediction Service

In this blog post we’re going to explore an integration between the Drools DMN Engine and another open source project from IBM: "Open Predi...

Matteo Mortari April 14, 2022

Using JavaScript and Power Fx with DMN

In this short update, I want to share with you about an experimental feature to leverage the extensibility of the DMN specification to evaluate expres...

Matteo Mortari March 25, 2022