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Models


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Rule Engines vs Decision Engines

A rule engine answers what matches. A decision engine answers what should happen. The gap between those two questions is where most pricing platforms grow up.

There was a Tuesday morning when I tried to express a single pricing decision as a single rule and discovered I needed three. The decision was small in business terms: apply a base markup, but cap it … »
August 20, 2025
pricing  rule-engine  decision-engine  architecture  models  constraints 

Taming Complexity: When Process Helps and When It Hurts

Tame software complexity through systematic processes—discover how structured approaches, clear documentation, and collaborative practices transform overwhelming projects into manageable, sustainable development

Today was the second lecture of the Software Engineering course at Universidade Potiguar (UnP), and we focused on a fundamental theme: process, models, and purpose. From the start, I wanted to frame … »
March 3, 2010
Software Engineering  Process  Models  UnP  Teaching  Software Crisis  software-engineering-series 

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