Goal-centric traceability for managing non-functional requirements

  • Authors:
  • Jane Cleland-Huang;Raffaella Settimi;Oussama BenKhadra;Eugenia Berezhanskaya;Selvia Christina

  • Affiliations:
  • DePaul University, Chicago, IL;DePaul University, Chicago, IL;DePaul University, Chicago, IL;DePaul University, Chicago, IL;DePaul University, Chicago, IL

  • Venue:
  • Proceedings of the 27th international conference on Software engineering
  • Year:
  • 2005

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Abstract

This paper describes a Goal Centric approach for effectively maintaining critical system qualities such as security, performance, and usability throughout the lifetime of a software system. In Goal Centric Traceability (GCT) non-functional requirements and their interdependencies are modeled as softgoals in a Softgoal Interdependency Graph (SIG). A probabilistic network model is then used to dynamically retrieve links between classes affected by a functional change and elements within the SIG. These links enable developers to identify potentially impacted goals; to analyze the level of impact on those goals; to make informed decisions concerning the implementation of the proposed change; and finally to develop appropriate risk mitigating strategies. This paper also reports experimental results for the link retrieval and illustrates the GCT process through an example of a change applied to a road management system.