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Given that the number of ready-to-use web services is steadily growing, services will provide solutions to a vast range of business problems in the future. And thanks to findings in end-user development research, popular service integration platforms such as IFTTT and Zapier emerged, making process automation as easy as never before. This progress will affect software engineering increasingly: as...
Feature selection is one of the important challenges in variability-intensive systems. The FCORE model is used for the description of the functional and non-functional requirements of a system from a systems engineering point of view. In addition we demonstrate a solution for feature selection using a regulator algorithm (RGA). The RGA is a two dimensional evolutionary algorithm, with regulator genes...
Distributed systems, such as cloud systems or cyber-physical systems, involve the orchestration of different variability-intensive, adaptive sub-systems. Each of these sub-systems may perform adaptations simultaneously and independently from each other. Yet, if dependencies between the adaptations of the sub-systems are not considered, this may lead to conflicting adaptations or untapped synergies...
A cloud environment is a complex environment composed of many different entities and layers. Each of these cloud entities may be furnished with mechanisms offering various management actions. For any given situation, different management actions may be applicable and often simultaneously. Enforcing isolated management actions or combining contradictory management actions may negatively affect cloud...
Cloud developers have to make several decisions when running their application in a cloud environment that may lead to conflicting objectives, inefficient deployment, and inappropriate or not existing adaptation strategies. Proper decision-support tools and processes are therefore needed to make cloud developers aware of the issues that need to be considered when deploying and running applications...
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