Category Archives: Challenges

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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Challenge May-2021 “COVID Testing”

Our May-2021 Challenge asks you to implement a decision model that determines who should undergo subsequent COVID-19 testing based on a number of symptoms for COVID-19 were identified, such as coughing, sneezing, or fever. Depending on the number of symptoms … Continue reading

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Requests to BR&DM Vendors and Practitioners

We sent the following requests to different vendors and practitioners who developed and/or use Digital Decisioning Platforms. If you haven’t received them, here they are: 

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December Challenge “Virtual Chess Tournament”

As the Queen’s Gambit movie brings attention to chess, try to solve our Dec-2020 Challenge: “Three world champions Fischer, Kasparov, and Karpov played in a virtual chess tournament. Each player played 7 games against two other opponents. Each player received … Continue reading

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Challenge Sep-2020: Compressing Decision Tables

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”

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

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

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

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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