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Abstract
Quality requirements are the main drivers for modeling and evaluating software quality at an early stage, and ASPIRE is an engineering method designed to elicit and document the quality requirements of embedded systems. This paper proposes an extension to ASPIRE to identify quality requirements from the business goals of the organization and ensure their traceability. This extension includes a set of added components created from the main concepts of the SOQUAREM methodology, including the BMM (business motivation model), derivation rules, the quality attribute utility tree, the quality attribute scenario template, the quality attribute documentation template, and ISO 9126. The applicability of the extended method is illustrated with a wireless plant control system as an example.