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Implementation of software quality requirements is critical for producing high-quality softwares. High-level quality requirements are usually refined stepwise by different low-level quality requirements, until some potential functional design alternatives are identified. An important question is how design alternatives can be effectively selected to satisfice the quality requirements. This paper focuses...
Software requirements, especially non-functional requirements, are considered as vital prerequisites for producing software of high quality. As widely accepted, non-functional goal modeling like the NFR Framework usually employs tree modeling style, and presents an interactive process for the analysis of nonfunctional requirements. However, there still exist some problems during the identification...
Reasoning is critical for non-functional requirements (NFRs) analysis and verification. Furthermore, it can provide rationale about implementation strategies for NFRs. The existing tools can execute an interactive reasoning process which sometimes needs extra information from stakeholders. We build a tool called rΣ for reasoning on NFR models especially when extra information is unavailable or forbidden,...
Non-functional requirements are quality concerns of a software envisioned. As an effective treatment, goal-oriented method can capture NFR-related knowledge so that an evaluation for a specific implementation strategy can be provided. This paper makes a meaningful attempt to observe the implementation strategies of non-functional requirements in a probabilistic way, and obtain the probabilistic result...
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