Understanding Software Quality: From Usability to Test Modeling and Cost Analysis

Understanding software quality involves three layers—Usable, Good‑to‑use, and Love‑to‑use—linked to business value, a quantitative loss model, testing’s feedback role, risk‑based test classification, defect‑handling costs, and emerging AI tools like TestGPT that automate test generation and decision‑making.

QAQuality ModelingSoftware quality

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Understanding Software Quality: From Usability to Test Modeling and Cost Analysis

Meituan Technology Team

Jun 16, 2022 · Artificial Intelligence

Building a Quality Model for Meituan's Recommendation System

This article presents a request‑granularity quality model for Meituan's integrated recommendation system, linking data tables, algorithm models, services, and user requests, and details its metrics, defect taxonomy, calculation formulas, data‑lineage expansion, implementation, alert routing, and operational outcomes.

Data LineageMeituanQuality Modeling

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Building a Quality Model for Meituan's Recommendation System