منابع مشابه
To distribute or not to distribute?
In this paper we address some central problems of combination of logics through the study of a very simple but highly informative case, the combination of the logics of disjunction and conjunction. At first it seems that it would be very easy to combine such logics, but the following problem arises: if we combine these logics in a straightforward way, distributivity holds. On the other hand, di...
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0387 Vaccines are important preventive medicines for primary health care, and are a critical component of a nation’s health security. Although international agencies such as the World Health Organization (WHO) and the United Nations Children’s Fund (UNICEF) promote global immunisation drives and policies, the success of an immunisation programme in any country depends more upon local realities ...
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Heterogeneous systems are nowadays a common choice in the path to Exascale. Through the use of accelerators they offer outstanding energy efficiency. The programming of these devices employs the host-device model, which is suboptimal as CPU remains idle during kernel executions, but still consumes energy. Making the CPU contribute computing effort might improve the performance and energy consum...
متن کاملHow to distribute antidote to control epidemics
We give a rigorous analysis of variations of the contact process on a finite graph in which the cure rate is allowed to vary from one vertex to the next, and even to depend on the current state of the system. In particular, we study the epidemic threshold in the models where the cure rate is proportional to the degree of the node or when it is proportional to the number of its infected neighbors.
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This study, conducted by visits, interviews, and literature search, analyzes how vaccine manufacturers in Brazil and India access technologies for innovative vaccines: through collaborations with academia and research institutions, technology transfer agreements with multinational corporations, public sector, or developing country organizations, or by importation and finishing of bulk products....
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ژورنال
عنوان ژورنال: Science
سال: 1994
ISSN: 0036-8075,1095-9203
DOI: 10.1126/science.7939637