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This paper describes an empirical mapping study, which was designed to identify what aspects of Software Requirement Specifications (SRS) are empirically evaluated, in which context, and by using which research method. On the basis of 46 identified and categorized primary studies, we found that understandability is the most commonly evaluated aspect of SRS, experiments are the most commonly used research method, and the academic environment is where most empirical evaluation takes place.

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The use of requirements traceability for information systems development (ISD) projects is not very common in practice despite its often mentioned advantages in the literature. We conducted a case study in a large IT company to identify the factors that are relevant for the decision whether or not to adopt traceability in an ISD project. Five dominant factors emerged: development organization awareness, customer awareness, return on investment, stakeholder preferences, and process flow. It turned out that the majority of the software development project leaders we interviewed were not aware of the concept of traceability-with the obvious result that using traceability in software project is not even considered. This fact has possibly been underestimated in the present literature of requirements engineering.

Business value is a key concept in agile software development. This paper presents results of a case study on how business value and its creation is perceived in the context of agile projects. Our overall conclusion is that the project participants almost never use an explicit and structured approach to guide the value creation throughout the project. Still, the application of agile methods in the studied cases leads to satisfied clients. An interesting result of the study represents the fact that the agile process of many projects differs significantly from what is described in the agile practitioners' books as best practices. The key implication for research and practice is that we have an incentive to pursue the study of value creation in agile projects and to complement it by providing guidelines for better client's involvement, as well as by developing structured methods that will enhance the value-creation in a project.

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