GQM+Strategies is an approach that aligns the business goals at each level of an organization to strategies to achieve overall business goals and assesses the achievement of such goals. Strategies are extracted from business goals based on rationales (contexts and assumptions). Using the proposed approach, which refines the GQM+Strategies model by extracting rationales based on the analysis of ...

Background: The constraints imposed by the pandemic COVID-19 increased risks of disruption supply chains, bringing new challenges to companies. These effects were felt more intensely in less-developed countries, which are highly dependent on imports products and raw materials. This study aims assess impact chain resilience a country (Guinea-Bissau) using complex adaptive system theory. Methods:...

Disruptions to transport networks are inevitable and detrimental the functioning of society. Improving resilience disruptive events has, therefore, a significant impact on Although system depends ability network sustain consequences initial disruption (i.e. robustness) quickly recover its performance rapidity), latter attracted less attention than robustness. The present paper focuses quantifyi...

Resilience, the ability to withstand disruptions and recover quickly, must be considered during system design because any disruption of the system may cause considerable loss, including economic and societal. This work develops analytic maximum flow-based resilience models for series and parallel systems using Zobel's resilience measure. The two analytic models can be used to evaluate quantitat...

Covert networks refer to criminal organizations that operate outside the boundaries of law; they can be mainly classified as terrorist and networks. We consider how Social Network Analysis (SNA) is used analyze such in order attain a greater knowledge behavior. In fact, SNA allows examining network structure functioning by computing relevant metrics parameters identify roles, positions, feature...

If computer systems are to be designed to foster resilient performance it is important to be able to identify contributors to resilience. The emerging practice of Resilience Engineering has identified that people are still a primary source of resilience, and that the design of distributed systems should provide ways of helping people and organisations to cope with complexity. Although resilienc...

The following report summarizes the proceedings of a three-and-a-half day inter-agency workshop focused on the technical challenges of HPC resilience in the 2020 Exascale timeframe. The resilience problem is not specific to any particular program or agency; coordinated resilience solutions will be challenging because of the need for a truly integrated approach. The interagency workshop therefor...