162,030 research outputs found
Safety-Critical Systems and Agile Development: A Mapping Study
In the last decades, agile methods had a huge impact on how software is
developed. In many cases, this has led to significant benefits, such as quality
and speed of software deliveries to customers. However, safety-critical systems
have widely been dismissed from benefiting from agile methods. Products that
include safety critical aspects are therefore faced with a situation in which
the development of safety-critical parts can significantly limit the potential
speed-up through agile methods, for the full product, but also in the
non-safety critical parts. For such products, the ability to develop
safety-critical software in an agile way will generate a competitive advantage.
In order to enable future research in this important area, we present in this
paper a mapping of the current state of practice based on {a mixed method
approach}. Starting from a workshop with experts from six large Swedish product
development companies we develop a lens for our analysis. We then present a
systematic mapping study on safety-critical systems and agile development
through this lens in order to map potential benefits, challenges, and solution
candidates for guiding future research.Comment: Accepted at Euromicro Conf. on Software Engineering and Advanced
Applications 2018, Prague, Czech Republi
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Towards Identifying and closing Gaps in Assurance of autonomous Road vehicleS - a collection of Technical Notes Part 1
This report provides an introduction and overview of the Technical Topic Notes (TTNs) produced in the Towards Identifying and closing Gaps in Assurance of autonomous Road vehicleS (Tigars) project. These notes aim to support the development and evaluation of autonomous vehicles. Part 1 addresses: Assurance-overview and issues, Resilience and Safety Requirements, Open Systems Perspective and Formal Verification and Static Analysis of ML Systems. Part 2: Simulation and Dynamic Testing, Defence in Depth and Diversity, Security-Informed Safety Analysis, Standards and Guidelines
Higher Readmissions at Safety-Net Hospitals and Potential Policy Solutions
The Hospital Readmissions Reduction Program (HRRP), established by the Affordable Care Act, ties a hospital's payments to its readmission rates -- with penalties for hospitals that exceed a national benchmark -- to encourage hospitals to reduce avoidable readmissions. This new Commonwealth Fund analysis uses publicly reported 30-day hospital readmission rate data to examine whether safety-net hospitals are more likely to have higher readmission rates, compared with other hospitals. Results of this analysis find that safety-net hospitals are 30 percent more likely to have 30-day hospital readmission rates above the national average, compared with non-safety-net hospitals, and will therefore be disproportionately impacted by the HRRP. Policy solutions to help safety-net hospitals reduce their readmission rates include targeting quality improvement initiatives for safety-net hospitals; ensuring that broader delivery system improvements include safety-net hospitals and care delivery systems; and enhancing bundled payment rates to account for socioeconomic risk factors
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