Category Archives: Challenges

Challenge March-2017: Online Dating Services

Dear Business Rules Vendors and Consultants! Consider the following situation. You have been approached by an online dating service that wants to use a rules engine to improve its process for matching people. A brief explanation of “business logic” behind … Continue reading

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How does Magic Square select the correct image?

The spring is around the corner and it’s time for fun. Play with this Magic Square and try to figure out the “business logic” behind its decisions.

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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.

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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

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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

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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. 

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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

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