Systems and software engineering — Systems and software Quality Requirements and Evaluation (SQuaRE) — Quality model overview and usage

This document establishes a framework for defining quality models which are composed of quality characteristics and sub-characteristics. In particular, this document provides:

—     the concept of a quality model;

—     the structure and semantics of quality models;

—     the relationship between quality models and the other concepts, including measurement, requirement definition, and evaluation;

—     guidelines, requirements and examples for using quality models.