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In recent years component-based development has in resent years become an established approach. Component-based Software Engineering (CBSE) that deals with the entire lifecycle of component-based products has been focused on technologies related to design and implementation of software components and systems built from software components. The experience(More)
— Lean principles, originating from Japanese automotive industry, are anticipated to be useful to improve software development processes. Albeit its popularity there is still no generally accepted, clear and detailed definition of what lean software development actually means. This makes it difficult to perform research on the effects of lean software(More)
Software product line engineering has emerged as one of the dominant paradigms for developing variety of software products based on a shared platform and shared software artifacts. An important and challenging type of software maintenance and evolution is how to cost-effectively manage the migration of legacy systems towards product lines. This paper(More)
Evolution of software systems is characterized by inevitable changes of software and increasing software complexity, which in turn may lead to huge maintenance and development costs. For long-lived systems, there is a need to address and maintain evolvability (i.e. a system's ability to easily accommodate changes) during the entire lifecycle. As designing(More)
Semidiscrete finite element approximation of the linear stochastic wave equation with additive noise is studied in a semigroup framework. Optimal error estimates for the deterministic problem are obtained under minimal regularity assumptions. These are used to prove strong convergence estimates for the stochastic problem. The theory presented here applies(More)
Software intensive products and systems evolve over the life-cycle. Changing business objectives may drive architectural or process changes. Altering either architecture or process might influence the other. Also the organization may influence and be influenced. This paper describes these relationships and proposes a method for assessing the influence on(More)
Software is more and more built from pre-existing components. This is true also for the embedded software domain, and there is a need to consider how development processes need to be changed to best utilize the component-based paradigm, and how processes and technologies must be designed to support each other. To facilitate this change towards(More)