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Abstract: Software companies need to deliver customer value continuously, both from a short- and long-term perspective. However, software development can be impeded by technical debt (TD). Although significant theoretical work has been undertaken to describe the negative effects of TD, little empirical evidence exists on how much wasted time and additional activities TD causes. The study aims to explore the...
Abstract: Defects with low manifestation probability, such as concurrency defects, are difficult to find during testing. When such a defect manifests into an error, the low likelihood can make it time-consuming to reproduce the error and find the root cause. Static Code Analysis (SCA) tools have been used in the industry for decades, mostly for compliance checking towards guidelines such as MISRA. Today, th...
Abstract: In this paper we address a network architecture that uses a combination of network virtualization and software defined networking in order to reduce complexity of network management and at the same time support high quality of service. Within this network architecture, we propose a framework to be able to dynamically distribute the network bandwidth to various services such that the network resour...
Abstract: Abstract Context: DevOps is considered important in the ability to frequently and reliably update a system in operational state. DevOps presumes cross-functional collaboration and automation between software development and operations. DevOps adoption and implementation in companies is non-trivial due to required changes in technical, organisational and cultural aspects. Objectives: This explorato...
Abstract: Abstract Context: Teaching global software engineering is continuously evolving and improving to prepare future software engineers adequately. Geographically distributed work in project-oriented software development courses is both demanding and rewarding for student teams, who are susceptible to various risks stemming from different internal and external factors, being the sources of stress and i...
Abstract: In this paper we explain how the isolation or decoupling of actors can help in developing efficient analysis techniques. The Reactive Object Language, Rebeca, and its timed extension are introduced as actor-based languages for modeling and analyzing distributed systems. We show how floating-time transition system can be used for model checking of timed actor models when we are interested in event-...
Abstract: I will introduce timed actors for modeling distributed systems and will explain our theories, techniques and tools for model checking and performance evaluation of such models. Timed Rebeca can be used to model asynchronous event-based components in systems, and real time constraints can be captured in the language. I will explain how floating-time transition system can be used for model checking ...
Abstract: Current industrial automation applications particularly within the smart manufacturing domain require mobility, flexibility of deployment, and scalability. In addition to these, it is important to mitigate the risk of safety hazards. In this paper we discuss a flexible, granular, and software-based system design that aims to improve both security and safety of an autonomous mobile robot (AMR) base...
Abstract: Multi-core systems are the potential enablers of the overwhelming growth of mixed criticality systems. There exist challenges to the widespread usage of multi-core in mixed criticality systems due to the non-predictive resource access timings. In this work, we present a Last Level Cache (LLC) access control mechanism, MEDIATOR that guarantees high criticality job executions without deadline misses...
Abstract: Fog computing offers a wide range of service levels including low bandwidth usage, low response time, support of heterogeneous applications, and high energy efficiency. Therefore, real-time embedded applications could potentially benefit from Fog infrastructure. However, providing high system utilization is an important challenge of Fog computing especially for processing embedded applications. In...
Abstract: We propose an exercise with the purpose of providing a basic understanding of key concepts within AI and extending the understanding of AI beyond mathematics. The exercise allows participants to carry out analysis based on accounting data using visualization tools as well as to develop their own machine learning algorithms that can mimic their decisions. Finally, we also problematize the use of ...
Abstract: We propose an exercise with the purpose of providing a basic understanding of key concepts within AI and extending the understanding of AI beyond mathematics. The exercise allows participants to carry out analysis based on accounting data using visualization tools as well as to develop their own machine learning algorithms that can mimic their decisions. Finally, we also problematize the use of ...
Abstract: Tie strength is an essential concept in identifying different kind of social ties - strong ties and weak ties. Most present studies that evaluated tie strength from social media were carried out in a controlled environment and used private/closed social media data. Even though social media has become a very important way of networking in professional events, access to such private social media dat...
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