Category Archives: Challenges

SaaS is taking over the cloud computing market

SaaS (Software as a Service) is taking over the cloud computing market. According to Gartner, SaaS growth is averaging $200 billion in year. Customers like SaaS as they only need to pay for what they actually use without owning the underlying … Continue reading

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Challenge Apr-2020: Doctor Planning

This month challenge “Doctor Planning” is a simplified version of a real-life case especially important today as described in this post. Submit your solutions using your favorite Business Rules or Decision Optimization tools. Link

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Challenge March-2020: Paid Sick Leave Requirements

Employers are required to provide paid sick leave to workers following very complex regulations defined by states, and adjusted by counties, cities, unions, and other entities. Our March-2020 Challenge asks you to define and implement decision services that support a relatively … Continue reading

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Challenge Jan-2020 “NIM Rules”  

Nim Game has been played since ancient times. “There is 15, 16 or 17 balls in the row. Two players take turns removing balls from the row, but only 1, 2 or 3 balls at a time. The player who … Continue reading

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Reindeer Ordering Rules

It’s a good time to revisit our Christmas Challenge: “Santa always leaves plans for his elves to determine the order in which the reindeer will pull his sleigh…” Link

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Christmas Challenge at Kaggle

“Santa has exciting news! For 100 days before Christmas, he opened up tours to his workshop. Because demand was so strong, and because Santa wanted to make things as fair as possible, he let each of the 5,000 families that … Continue reading

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Challenge Nov-2019 “Numerical Haiku”

We’ve just published a new challenge “Numerical Haiku“.  Here is an example of a traditional Haiku poem: (5) The sky is so blue. (7) The sun is so warm up high. (5) I love the summer. A Japanese haiku is a three-line poem with … Continue reading

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Challenge Sep-2019 “Crack the Code”

While we are still waiting for the first solution for our Aug-2019 Challenge “Stateful Decisioning“, we’ve just announced a fun Challenge for Sep-2019 “Crack the Code“. Try it with any tool or just your common sense. Link

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Challenge Aug-2019: Stateful Decisioning

Nowadays it’s not enough for decision making applications to simply execute a complex rules-based transaction, forget about it, and wait for the next one. They should be able to learn from already executed transactions and evaluate new facts as they … Continue reading

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Ron Ross: Response to Solutions for the “Recreational Fee” Challenge

Ron Ross provided a response to 5 already submitted solutions to our Apr-2019 Challenge “Recreational Fee” and to several posted comments. You may read Ron’s response here. If you have new comments, please post them here as well. Note that … Continue reading

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