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Use Cases (UC) are a popular way of describing system behavior and UC quality impacts the overall system quality. However, they are presented in natural language, which is usually the cause of issues related to imprecision, ambiguity, and incompleteness. We present the results of an empirical study on the formalization of UCs as Graph Transformation models (GTs) with the goal of running tool-su...

BACKGROUND Colorectal cancer (CRC) is the third most prevalent type of cancer in the world. Its prognosis is closely related to the disease stage at the time of diagnosis. Early detection of symptomless CRC or precursor lesions through population screening could reduce CRC mortality. However, screening programs are only effective if enough people are willing to participate. This study aims to a...

Background In Sudan, where studies on HIV dynamics are few, model projections provide an additional source of information for policy-makers to identify data collection priorities and develop prevention programs. In this study, we aimed to estimate the distribution of new HIV infections by mode of exposure and to identify populations...

Background: Lighting is a basic need for human beings and affects their physical, physiological, and psychological behavior. The required level of lighting for visual performance must be provided in order to ensure health and wellbeing. Students spend much of their time studying in libraries, and thus, sufficient lighting is necessary in libraries. Therefore, the aim of the present study was to...

Parallel computing is an active research field where several issues are still open and need to be carefully investigated to design and implement new solutions for high-performance computing (HPC) systems. Among the many important issues, research work on heterogeneous parallel platforms, industrial and engineering applications, and ultrascale computing can bring important improvements in future...

Index words: Amphipod Echinogammarus Facilitation Gammarus Predation Round goby In Lake Erie and Lake Ontario, the Ponto-Caspian amphipod Echinogammarus ischnus has replaced the native amphipod Gammarus fasciatus on rocky substrates colonized by dreissenid mussels, which provide interstitial refugia for small invertebrates. Based on the premise that an invader's vulnerability to predation is in...

objectives: emotion regulations refer to the ability of experiencing emotions as a basic human capacity and the experience of the basic emotions happiness, anger, sadness and fear are considered as reular characteristics among nations. in school-age children, problems in socioemotional development typically shows themselves as challenging, socially disruptive paterns of behavior. the purpose of...