In market-driven sojhare evolution, the objectives of a requirements engineering process include the continuous management of new and changed requirements in a way that ensures competitiveness on the market place. This paper compares two independently developed industrial marketdriven requirements engineering processes, which both apply continuous requirements management using state-oriented life cycle models in the fostering of requirements from invention to release. Similarities and differences between the models are identifed, and opportunities of lifecycle-oriented requirements management are recognized. The challenge of release planning is elaborated, with a particular focus on the crucial task of managing requirements dependencies.
In market-driven software development there is a strong need for support to handle congestion in the requirements engineering process, which may occur as the demand for short time-to-market is combined with a rapid arrival of new requirements from many different sources. Automated analysis of the continuous flow of incoming requirements provides an opportunity to increase the efficiency of the requirements engineering process. This paper presents empirical evaluations of the benefit of automated similarity analysis of textual requirements, where existing information retrieval techniques are used to statistically measure requirements similarity. The results show that automated analysis of similarity among textual requirements is a promising technique that may provide effective support in identifying relationships between requirements.
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