منابع مشابه
Prevalence of HIV infection and median CD4 counts among health care workers in South Africa.
OBJECTIVE To determine the prevalence of HIV infection and the extent of disease progression based on CD4 count in a public health system workforce in southern Africa. DESIGN Cross-sectional voluntary, anonymous, unlinked survey including an oral fluid or blood sample and a brief demographic questionnaire. SETTING Two public hospitals in Gauteng, South Africa. SUBJECTS All 2 032 professio...
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One of the natural examples to the power of concurrency is the ability to count to n with log n concurrent processes. In this work we study the cost of counting within weaker types of concurrency, where no cooperation takes place between the concurrent processes, except when time comes to decide whether the input should be accepted. We first study the number of states required for deterministic...
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Based on the 2006 edition of the Model Size Metrics workshop, we believe that counts are undervalued as useful model metrics. In this position paper, we provide arguments from the literature so as to consider counts as important metrics for the model measurement. We then state associated issues and sketch a model-driven framework to raise the abstraction level of the implementation of model met...
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ژورنال
عنوان ژورنال: Historia Mathematica
سال: 1975
ISSN: 0315-0860
DOI: 10.1016/0315-0860(75)90155-x