Category Archives: Challenges

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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New Challenge “Recreational Fee”

We’ve just published a simple challenge offered by Ron Ross. A city has created a decision table to determine appropriate usage fees for its recreational facilities based on length of usage and when the usage occurs. The city also has … Continue reading

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SBVR Specification for the Organ Donation Challenge

Ron Ross submitted Rule Specification for the Organ Donation Challenge that is based on SBVR/RuleSpeak. “The first and foremost concern is the exact business semantics of the problem. The rule specifications presented below address that fundamentally important objective. The RuleSpeak/SBVR … Continue reading

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Challenge March-2019 “Organ Transplant Decisioning”

The development of techniques for organ transplant means that now one person’s death may lead to a lifesaving operation for another. This challenge considers one of the many crucial decision-making processes involved in this miracle of modern medicine. Possible solutions to … Continue reading

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Challenge Jan-2019 “Identify Unfriendly Robots”

Our Jan-2019 Challenge asks you to help a cyber police to specify rules that identify if a robot is friendly or unfriendly. The rules can be expressed in terms of any features you can see in robots, such as the shape … Continue reading

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Solutions to Nov-2018 Challenge “Vacation Days Advanced”

We’ve already received 3 submissions with solutions to our November challenge “Vacation Days Advanced” using different tools: FICO Blaze Advisor, OpenRules, and DT5GL . Contrary to the 2016 challenge “Vacation Days”, this one doesn’t have inter-rules relationships like “apply this rule only … Continue reading

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Challenge Sep-2018 “Balanced Assignment”

This challenge deals with assignment of people to certain activities, for instance: assigning students to project groups or assigning professors to offices.  We are using the problem formulation and test data provided by Prof. Robert Fourer (AMPL). We expect that not … Continue reading

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