Category Archives: Challenges

Challenge May-2023 “Next Best Action”

“Next best action” is a popular decision-making strategy. But how to define the “best” next action? This challenge may demonstrate it. Consider an NxN grid of lightbulbs. We are given an initial state where some of the bulbs are off and some are on. Then, … Continue reading

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Challenge Mar-2023 “Permit Eligibility”

Ponder our Mar-2023 Challenge: As part of a regulatory process, a government agency introduced a simple rule: an applicant is eligible for a resident permit if the applicant has lived at an address while married and in that time period, … Continue reading

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Christmas Model created by ChatGPT

With Christmas around the corner, we offer our readers this Challenge created by ChatGPT. It defines a set of people, a set of gifts, and the happiness level and cost of each gift. The objective is to maximize the total … Continue reading

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Challenge Nov-2022 “Crack Padlock Code”

Submit a solution using your favorite tool or just common sense.

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Challenge Oct-2022 “Dots and Boxes”

In this challenge you need to build a decision model capable to play the popular game “Dots and Boxes“. Its rules and useful hints can be found in the book “Math Games with Bad Drawings” by Ben Orlin. You may … Continue reading

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5 Solutions for July-2022 Challenge “Evaluate Team Performance”

We received 5 different solutions which use the following tools (in order of submission): DT5GL  Progress Corticon  Innovator  OpenRules  IBM ODM 

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Challenge July-2022 “Evaluate Team Performance”

In this Challenge you need to evaluate performance of different teams based on efficiency of their players during different games. Each player receives 5 points for “best” efficiency, 3 points for “better” efficiency, 2 for “good” efficiency. You need to … Continue reading

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Challenge May-2022 “Medical Claim Processing”

Claim processing is one of the most popular area where rule engines demonstrate their power. In this challenge we ask you to build a decision service that deals with for a typical claim validation issue related to the International Statistical Classification of … Continue reading

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Best Holiday Wishes

Merry Christmas and Happy New Year to all members, readers, and friends of the Decision Management Community! Here is a musical present from Dr. Alan Fish: Listen

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Challenge June-2021 “Where is gold?”

This month we asked our readers to use their favorite BR/DM tools or just common sense to solve a simple puzzle “Which box contains the gold?” The very first quick solution by Jan Vanthienen uses decision tables to classify different … Continue reading

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