Category Archives: Challenges

Challenge Aug-2016: Greeting a Customer with Unknown Data

We expect BR&DM vendors will provide their solutions to our Aug-2016 Challenge “Greeting a Customer with Unknown Data“. This is a variation of the “Hello World!” use case when a decision model automatically generates greetings like “Good Morning, Mrs. Robinson!” doing its … Continue reading

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Solve Family Riddle – Challenge June-2016

Our June-2016 Challenge deals with a notorious Family Riddle. You need to define ages of boys and girls in two families based on some known relationships. Can you build a decision model that finds one or several solutions of this … Continue reading

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DMN Interchange Challenge

One of the main advantages of decision modeling standardization is a potential interchange of decision models between different DMN-compliant tools. DMN 1.1 includes a new interchange format – you may find its description in the Bruce Silver’s book “DMN Method … Continue reading

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Challenge Mar-2016 “Port Clearance Rules”

The March-2016 Challenge deals with a decision model that is capable to decide if a ship can enter a Dutch port on a certain date. The rules for this challenge are inspired by the international Ship and Port Facility Security Code.

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And the Oscar Goes To…

Prof. Jan Vanthienen took time to carefully analyze all 19 solutions submitted for our Jan-2016 Challenge. The results of his analysis are now available in this report. Here is a summary: We want to thank Prof. Vanthienen for his thorough analysis. To … Continue reading

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We Received 19(!) Solutions for the “Vacation Days” Challenge

This month we challenged our community to submit solutions for notorious decision model “Calculate Vacation Days”.  We’ve already received 19 solutions using 9 different products! So, now we all will wait for Prof. Jan Vanthienen to provide his analysis of these solutions and … Continue reading

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Vacation Days Challenge

Jan-2016 Challenge “Vacation Days” generates a lot of interest among practitioners and experts. We’ve already received various solutions from 4 sources: OpenRules, DMN/Oracle, Progress Corticon, and Trisotech. You still have time to submit your solution that may become a choice for Prof. … Continue reading

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What Constitutes a Good Decision Table? Challenge Jan-2016

What constitutes a good decision table? There are many recommendations provided by well-known experts such as  Prof. Jan Vanthienen.  But it’s always a good idea to see at least one specific example and to analyze its different representations. So, we published a … Continue reading

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Holiday Challenges

The holiday season is around the corner and our challenges should be more fun than mind-blowers – the Nov-Challenge received only two solutions so far. In December we decided to offer a fun-challenge to our readers: it is  a math problem that was given to a … Continue reading

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Exceptions in Business Rules are Not Exceptions

Handling exceptions in your business logic is one of the most typical and non-trivial problem in decision management.  There are two new posts Can you Override that Rule? and Are the Rules the Same for Everyone? from Carole-Ann Matignon of Sparkling Logic that provide dos … Continue reading

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