Category Archives: Challenges

Challenge Feb-2017: Determine Booking Fraud

Our February’s Challenge deals with a relatively simple decision model that should determine potential fraud during an online product booking process. It’s based on an automatically calculated Fraud Rating Score. Read more here and submit your solution.

Posted in Challenges, Decision Models | Leave a comment

Drools Now Implements DMN

Following the announcement from last year, the popular open source Drools rules engine added full run-time support for DMN at compliance level 3 into its upcoming version 7.0. As of January/2017, the implementation is feature complete and the team is … Continue reading

Posted in Challenges, DMN, Rule Engines and BRMS, Standards | Leave a comment

Challenge Dec-2016 “Loan Approval”

We’ve just published a new Dec-2016 Challenge “Loan Approval”.  It deals with a complex loan approval process when new facts about borrowers are being dynamically discovered in real-time. Hope soon we will see interesting solutions from business rules and decision … Continue reading

Posted in Challenges, Decision Models | 4 Comments

Solutions for Oct-2016 Challenge “Rebooking Passengers”

So far we received two solutions for Challenge Oct-2016 “Rebooking passengers from cancelled flights”. Any other solution? It’s never too late to provide more solutions for any of our challenges. 

Posted in Challenges, Decision Models, Standards | Leave a comment

Moving Sofa and Other Math Problems No One Can Solve

So you’re moving into your new apartment, and you’re trying to bring your sofa. The problem is, the hallway turns and you have to fit your sofa around a corner. If it’s a small sofa, that might not be a … Continue reading

Posted in Challenges | Leave a comment

Challenge Oct-2016 “Passenger Re-booking”

We’ve just published an interesting new challenge “Rebooking Passengers from Cancelled Flights” that hopefully many DM practitioners would like to ponder. We’ve also finally received a solution for the Aug-2016 Challenge.

Posted in Challenges | Leave a comment

Why People Stumble on Aug-2016 Challenge

On August 1 we published a new challenge “Greeting a Customer with Unknown Data” and until today we haven’t received even one solution. Why? Is it because of August’s vacations? We suspect that this “simple” challenge is much more difficult … Continue reading

Posted in Challenges, Decision Models | 2 Comments