Category Archives: Challenges

Challenge Sep-2017 “Classify Department Employees”

Our Challenge Sep-2017 asks you to help a human resource office to create a decision model that for each department calculates minimal, maximal, and average salaries along with a number of high-paid employees using rules like “Salary > 85000”. Use any Business … Continue reading

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Chess Puzzles for Decision Modelers

Sometimes complex business logic reminds chess puzzles. So, we decided from time to time to publish chess puzzles for decision modelers who are tired of solving complex decision modeling problems.  Some puzzles are very simple while others may be more complex, … Continue reading

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Submit Solutions to Challenge “DMN Chapter 11 Example” by 08/31/2017

So far, we received 4 solutions for the June-2017 Challenge.  During DecisionCAMP-2017 a lot of people expressed their eagerness to see the voting results. Based on requests from practitioners, we decided to give people more time to prepare and submit … Continue reading

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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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