Category Archives: Challenges

Challenge Sep-2020: Compressing Decision Tables

Posted on September 9, 2020 by

Using common sense people can replace larger decision tables with smaller ones. However, when a decision table includes more attributes (columns), the manual compression of the decision table becomes difficult or impossible even if you allow a certain level of … Continue reading →

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July-2020 Challenge “Spatial Business Rules”

Posted on June 24, 2020 by

Our July Challenge asks you to implement spatial rules oriented to business users not familiar with GIS APIs. Examples of the rules include: 1) If at least one hospital is within 5 km from the Airport increase Spatial Significance Score … Continue reading →

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Bob Moore: building a learning model is a learning process in itself

Posted on May 30, 2020 by

Dr. Bob Moore accepted our Jan-2020 Challenge “Nim” and provided a very interesting machine learning solution. He applied a self-learning approach by playing games in which both players use the latest learned strategies that are being constantly improved. In a … Continue reading →

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Gurobi Optimization Application Demos

Posted on May 7, 2020 by

Gurobi, a provider of one of the most powerful mathematical optimization solvers,  announced new Optimization Application Demos. Each demo is a proof-of-concept of an application that addresses a challenging and high-value problem.  In particular, it contains another solution for our … Continue reading →

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SaaS is taking over the cloud computing market

Posted on May 3, 2020 by

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

Posted on April 15, 2020 by

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

Posted on February 19, 2020 by

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”  

Posted on January 23, 2020 by

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

Posted on December 25, 2019 by

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 Kaddle

Posted on December 14, 2019 by

“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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