نتایج جستجو برای: based coherency cube
تعداد نتایج: 2943274 فیلتر نتایج به سال:
iv v Summary The thesis was conducted during a period of six months at the University of Cali-In this thesis we revisit the classic slow coherency and area aggregation approach to model reduction in power networks. The slow coherency approach is based on identifying sparsely and densely connected areas of a network, within which all generators swing coherently. A timescale separation and singul...
The effect of coherency WC/Co phase boundaries on the fracture toughness of the nanocrystalline WC-Co cemented carbides is studied by MD simulation method. The simulation results show that the nanocrystalline WC-Co cemented carbides with coherency WC/Co phase boundaries has higher fracture toughness than that without coherency WC/Co phase boundaries. Moreover, the mechanism of why coherency WC/...
In this paper, we describe new protocols augmenting traditional cache coherency mechanisms to implement fault-tolerance based on Recovery Blocks and checkpointing. Concurrent processes compound rollback recovery since the rollback can potentially lead to a "domino-effect" whereby the process is rolled back to the beginning. Several approaches have been proposed to limit the domino effect. One s...
Dynamic data is data which varies rapidly and unpredictably. This kind of data is generally used in on-line decision making and hence needs to be delivered to its users comforming to certain time or value based applicationspecific requirements. The main issue in the dissemination of dynamic web data such as stock prices, sports scores or weather data is the maintenance of temporal coherency wit...
Performance modelling and veriication are vital steps in the development cycle of any cache coherency protocol. Two separate models are usually required to perform each analysis step and as protocols become increasingly complex each can become correspondingly unwieldy. We examine how stochastic process algebra can be used to describe cache coherency protocols in such a way as to allow both the ...
We propose an approach for quantifying the biological relatedness between gene products, based on their properties, and measure their similarities using exclusively statistical NLP techniques and Gene Ontology (GO) annotations. We also present a novel similarity figure of merit, based on the vector space model, which assesses gene expression analysis results and scores gene product clusters' bi...
[1] We show that the spatial coherency of the ambient seismic field can be used for attenuation tomography in the western United States. We evaluate the real portion of the spatial coherency with an elastic geometric spreading term (a Bessel function) and a distance dependent decay (an attenuation coefficient). In order to invert the spatial coherency, a weight stack inversion technique is appl...
Scalable shared memory multiprocessors commonly employ replication and the associated coherency maintenance of memory blocks, but diier in the granularity from ne-grain (cache-coherent multiproces-sors) to coarse-grain (page-based distributed shared memory systems). Regardless of the size of coherency blocks, attaining good performance may depend on the number of copies staying small. Previous ...
background and aims: one of the most common approach to understanding spatial and temporal trends of event data is to break it up into a series of time snapshots. therefore space-time cube method applied in order to portray the likely trend in occurrence of the pulmonary tuberculosis (tb) cases. methods: in this study, information of all patients with pulmonary tb recorded in surveillance syste...
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