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Category Archives: Challenges
Ponder Feb-2025 Challenge “Mr Bates vs The Post Office”
The Post Office in DS City has come up with a new measure to limit packages that can be sent under a new flat rate, regardless of weight or volume. The “strap measure” of a box is the length of … Continue reading
Posted in Challenges, Decision Modeling
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Christmas Word Search
We wish all our readers a very Happy Holiday Season! We’ve just published a simple holiday Challenge for Jan-2025 in which you need to find how many times the word “XMAS” appears in the grid, horizontally, vertically, or diagonally, written … Continue reading
Posted in Challenges, Events
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Challenge Dec-2024: Pricing Policy
Dec-2024 Challenge deals with an order pricing policy that depends on a number of different units, product types (Standard or Premium), country of origin, etc. A seller uses a mixed bracket volume and cost policy for orders with multiple units: … Continue reading
Posted in Challenges, Decision Modeling, Decision Models
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Challenge Oct-2024 “Cheryl’s Birthday”
This month we ask our readers to solve a well-known logic puzzle from Singapore “Cheryl’s Birthday“. The objective is to determine the birthday of a girl named Cheryl using a handful of clues given to her friends Albert and Bernard. … Continue reading
Posted in Challenges, Decision Modeling, LLM, Logic and AI
Tagged LLM, logic, puzzle
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Nine Solutions for Sep-2024 Challenge “Rental Boats”
This challenge is about a decision model that can help a boat rental company purchase different boats while satisfying seating, manufacturers, and limited budget requirements. We received 9 solutions and 3 of them used LLMs. Link
Challenge Sep-2024 “Rental Boats”
In this challenge you need to help a boat rental company to purchase different boats while satisfying seating, manufacturers, and limited budget requirements. Your solution should maximize the expected profit. Link
Solutions for July-2024 Challenge “Smart Investment”
We received 9 solutions for our July-2024 Challenge “Smart Investment”.Used decision optimization tools:– IBM CPLEX– Llama3/CPLEX/watsonx– Corticon– Prolog– ChatGPT/Zimpl– IPython/ortools– cDMN– Excel Solver– OpenRules Rule Solver.
Posted in Challenges, ChatGPT, Decision Optimization, LLM, Products
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July-2024 Challenge “Smart Investment”
We’ve just published a new challenge “Smart Investment”: A client of an investment firm has $10,000 available for investment. He has instructed that his money be invested in particular stocks, so that no more than $5,000 is invested in any … Continue reading
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Challenge June-2024 “Stable Marriage Problem”
This challenge deals with the famous stable marriage problem: Given n men and n women, where each person has ranked all members of the opposite sex in order of preference, marry the men and women together such that there are no two people of opposite … Continue reading
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LLM Shines Solving a DMCommunity Challenge
ChatGPT produced an amazingly good solution for DMCommunity’s March-2024 Challenge “AnalyzeEmployees”. Of course, this challenge deals with one of the favorite LLM application areas of Q&A. Still, it generated the correct (!) Python code based on plain English questions. I … Continue reading
Posted in Challenges, ChatGPT, Decision Intelligence, LLM
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