Category Archives: Challenges

The First Solution for June-2017 Challenge – More on the Way

We have received the first decision model for the June-2017 Challenge implemented by Mike Parish using Corticon. More decision modeling practitioners informed us that they are working on their best decision models for the same problem (described in the Section … Continue reading

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Challenge June-2017: Loan Origination Example – DMN Section 11

This challenge is intended to demonstrate different decision modeling approaches using the same well-known business use case.  The Loan Origination problem described in in the Section 11 of the DMN specification is probably the most discussed use case. However, the specification itself uses this case only … Continue reading

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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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