Business Rules with Probabilities
Real-world business decision models frequently contain both hard rules and soft rules that can be violated when necessary. Representing and maintaining such rules becomes even…
Topic
Use Cases
32 posts
Solving Challenge “Risky Stocks”
In this post, I describe a solution to the DMCommunity May 2025 Challenge and briefly analyze different approaches to rules with exceptions and conflicts.
Machine Learning inside Decision-Making Applications: Practical Use Cases
Machine Learning (ML) tools have been successfully used for decision-making applications for many years. Despite many success stories, ML popularity in enterprise-level software…
Declarative Decision Model “Flight Rebooking”
Rule Solver can be used to build a real declarative decision model for one of the most complex decision modeling challenges “Flight Rebooking” offered by DMCommunity.org: "A…
Rules-based Machine Learning
The integrated use of Rule Engine and Machine Learning (ML) products becomes more and more popular. OpenRules Rule Learner is a good example of such integration. While there are…
Solution for DMCommunity Challenge “Pay-As-You-Go Pricing Rules”
There are already 3 solutions to DMCommunity May-2020 Challenge. I especially like how Carol-Ann Berlioz created her solution using a test-driven approach when test cases prompt…
Inside/Outside Production Planner
Last week I created a "Worker Planner" that has a nice GUI deployed on Apache Tomcat and it works in sync with a remote Scheduling Decision Service deployed as AWS Lambda. The…
Building a Live Worker Scheduler
There are already several good responses to the DMCommunity’s April-2020 Challenge “Doctor Planning”. Below I am describing how I tried to use this challenge to create a complete…
Decision Model for DMCommunity Challenge “Recreational Fee”
The latest DMCommunity.org Challenge “Recreational Fee” is very simple, but I still wanted to show how to create the proper decision model using the OpenRules goal-oriented…
“Model-based” vs. “Method-based” Approaches to Decision Modeling
In Aug-2018 Prof. Robert Fourer gave a tutorial "Model-based Optimization", in which he compares two essentially different approaches to modeling optimization problem:…
Winning 2018 Business Rules Excellence Award
On October 16 Business Rules Excellence Awards (BREA) announced the winners of the 2018 Awards. Congratulations to the OpenRules’s customer, a major California bank, who became a…
Goal-Oriented Decision Modeling with OpenRules-7
The major Release 7.0.0 is making OpenRules even more user-friendly without losing any of the sophistication of already proven decision modeling technology. Our customers don’t…