Relational-model based change management for non-functional requirements: Approach and experiment


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Kassab, M. and Ormandjieva, O. and Daneva, M. (2011) Relational-model based change management for non-functional requirements: Approach and experiment. In: Fifth International Conference on Research Challenges in Information Science, RCIS 2011, 19-21 May 2011, Gosier, Guadaloupe, French West Indies.

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Abstract:In software industry, many organizations either focus their traceability efforts on Functional Requirements (FRs) or else fail entirely to implement an effective traceability process. NonFunctional Requirements (NFRs) such as security, safety, performance, and reliability are treated in a rather ad hoc fashion and are rarely traced. This is mainly because of the unique nature of NFRs. They are subjective, relative and they tend to become scattered among multiple modules when they are mapped from the requirements domain to the solution space. Furthermore, NFRs can often interact, in the sense that attempts to achieve one NFR can help or hinder the achievement of other NFRs at particular software functionality. Such an interaction creates an extensive network of interdependencies and tradeoffs among NFRs which is not easy to trace. In a previous work, we proposed a conceptualization of NFRs through the NFRs Ontology. In this paper, we extend the previous work by proposing a change management mechanism for tracing the impact of NFRs on the other constructs in the ontology such as FR or NFR operationalization and vice versa, and providing a traceability mechanism using Datalog expressions to imp lement queries on a relational model-based representation for the ontology. The proposed traceability queries are then evaluated through a multiproject variation quasi-experiment on regression testing conducted in the industry.
Item Type:Conference or Workshop Item
Copyright:© 2011 IEEE
Faculty:
Electrical Engineering, Mathematics and Computer Science (EEMCS)
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Link to this item:http://purl.utwente.nl/publications/79748
Official URL:http://dx.doi.org/10.1109/RCIS.2011.6006830
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