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Many large-scale distributed storage systems deploy erasure coding to protect data from frequent server failures for cost reason. In most of these systems, newly inserted data is first replicated across different storage servers and then migrated to erasure coded. Although this offline encoding manner can improve data access before data is erasure coded for some storage systems, it helps little and...
To guarantee the reliability of distributed storage systems, erasure coding, as a redundant scheme, has received increasingly attention because it can greatly improve the space efficiency compared with the replica schemes. However, it takes a long time and consumes a lot of network bandwidth for erasure coding to repair the lost data on failed nodes. The state-of-art studies focus on the repairing...
This paper proposes an improved method to modeling the dynamic process of basic oxygen furnace (BOF) and the main idea is simplification. Aiming at the problem that it is usually difficult to build a precise endpoint dynamic model because of the high dimensional input variables which affect the final results - carbon content and temperature, this paper builds endpoint carbon content prediction model...
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