Featured Posts: Rules

DMN Validation updates: Kogito and migration to Executable Model

In this article, we will describe some of the recent updates to the DMN Validation module (kie-dmn-validation) and how the migration to make use of the Executable Model enabled a number of use-cases, such as porting the functionality on the Kogito platform. Introduction The Drools DMN Engine provides static and semantic validation of DMN models:Read more →

About DMN endpoints on Kogito

This post summarises the current design of REST endpoints which are automatically generated and made available, when using DMN model assets in a Kogito application. This work was finalised as part of KOGITO-2840. Introduction For each DMN model in a Kogito application, a collection of REST endpoints is automatically code generated based on the contentRead more →

Making Executable DMN Modeling More Business-Friendly

presentation byBruce Silver, MethodAndStyle.comand Matteo Mortari, Red Hat At this year’s Decision Camp 2020, I had the opportunity to present with Bruce Silver a complete overview of the DMN Validation features, and some of the research areas we are working together on: I hope this can be an helpful summary of what you should look at whenRead more →

Lists as DMN boxed expressions

Literal expressions, Decision Tables, Contexts, Relations, Functions, and Invocations are quite powerful boxed expressions already. However, now our editor supports Lists as a new boxed expression type. Lists represent a group of FEEL expressions. You may use it to define complex items for a particular decision, check this example: Notice that each cell of this listRead more →

Getting Started with jBPM

Being familiar your BA tool guides to better decision taking on development and architecture decisions. Let’s start by learning a little bit more about the core components and about jBPM installation. jBPM main components jBPM is mainly based on two components: Business Central and Kie Server. Reinforcing the concepts: business central is the authoring andRead more →

Kogito 0.9.1 released

We are glad to announce the Kogito 0.9.1 release is now available!  This goes hand in hand with the Kogito Tooling 0.3.1 release. From a feature point of view there are only minor changes compared to 0.9.0, but on top of bug fixing we have also spent quite some time on following areas: Kogito documentationRead more →

Functional Programming in DMN: it FEELs like recursing my university studies again

In this post, I would like to share interesting insights about recursion support in DMN and highlights how specific properties of the FEEL language enable functional programming constructs to be modeled in DMN. We are going to start from a basic example, in order to demonstrate how the Business Friendliness nature of the FEEL languageRead more →

Learn DMN in 15 minutes

Today we have a new announcement for new DMN users: the learn-dmn-in-15-minutes.com course! DMN is already simple and easy to understand at first glance. However, new adopters generally want to check a quick overview and learn about the most important parts, before jumping on a more in-depth journey. That’s the goal of this course! NowRead more →

Kogito, ergo Rules: From Knowledge To Service, Effortless

Welcome to another episode of this blog series on the Kogito initiative and our efforts to bring Drools to the cloud. The goal of these posts is to gather early user feedback on the features we are delivering to Kogito. In this post we present two new ways to realize a complete intelligent service: self-containedRead more →

KIE Decision Tooling blog

KIE Decision Tooling is the team responsible for building web editors to support business decisions, and now it has a blog. We’re still cross-posting feature releases here. But, you can also find specific content regarding the technologies that orbit the web tooling there. In our first post, we’re presenting the new code completion feature inRead more →