Rules as Preferences (Miss Manners Advanced)
DMCommunity Challenge July-2023 deals with a rules-based decisioning problem when not all rules can be satisfied and thus should be considered as preferences. It offers an…
Topic
Decision Modeling
89 posts
Composite Decision Variables
In real-world decision models, you may want to write business rules that refer to combinations of two or more individual decision variables called composite decision variables.…
Declarative Decision Model “Flight Rebooking”
Rule Solver can be used to build a real declarative decision model for one of the most complex decision modeling challenges “Flight Rebooking” offered by DMCommunity.org: "A…
Declarative Decision Model “Miss Manners”
This problem used to be one of the popular benchmarks for rule engines 20 years ago. And now DMCommunity.org brings it back to see how modern decision engines can represent and…
Sudoku Decision Model
Everybody is familiar with Sudoku: you need to fill a 9×9 grid in a such way that each column, each row, and each of the nine 3×3 boxes (also called blocks) contains the digits…
Nested Attributes in OpenRules Glossary and Tests
In real-world decision models, our customers deal with complex business glossaries. In particular, it is quite common when one business concept refers to other business concept…
Nested Loops in OpenRules Decision Models
Iterating over collections (arrays) of decision variables is a frequent need in real-world decision models. For example, the following decision table defines if a company has…
Decision Model “Permit Eligibility”
In this post we describe an OpenRules decision model that addresses DMCommunity.org Mar-2023 Challenge “Permit Eligibility”. The Challenge asks to implement this rule: “An…
Helping ChatGPT to Build a Working Decision Model
These days only lazy people don’t write about ChatGPT and large language models (LLM). Vendors are trying to be the first to announce a ChatGPT integration even when they don’t…
We Know More Than We Can Tell
Living through the ChatGPT boom, it is interesting to read this article "Is ChatGPT Aware?": "Polanyi’s paradox, named in honor of the philosopher and polymath Michael Polanyi,…
LLM and Decision Modeling
ChatGPT has the public excited, but the experts are reserved in their praise. Thinking about a practical application of the Large Language Models (LLM) to decision modeling this…
Christmas Model in JavaSolver
DMCommunity.org offered the Dec-2022 Challenge "Christmas Model" created with ChatGPT. This nice model defines a set of people, a set of gifts, the happiness level, and costs of…