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NoSQL key-value data stores provide an attractive solution for big data management. With the help of data partitioning and replication, those data stores achieve higher levels of availability, scalability and reliability. Such design choices typically exhibit a tradeoff in which data freshness is sacrificed in favor of reduced access latency. At the replica-level, this tradeoff is primarily shaped...
This paper propose a digital campus model based on "SOA+cloud" grounded on deep researching into developing courses and a thorough analysis on the principle and the characteristics of SOA (service-oriented architecture)technology and a description of cloud computing. This model will achieve the optimization of the management and service process, thereby creating a new educational model.
Traditional risk assessment methods adopt the long-term failure model of element and severity indices to characterize the failure probability and its impact on the power system respectively. However, in the actual system, the failure probability has time-varying characteristic due to the influence of the internal system and the external environment. Severity indices are formed by weighting each severity...
In order to better grasp the development trend and study the development path of service industry, this paper built ARIMA forecasting mode based on related statistical data from 1978 to 2008 to predict the service industry development of Sichuan Province, and analyze the forecast results.
The situational teaching approach is a teaching method with relatively strong practical significance and feasibility derived from the case study analysis. The pedagogy of situational teaching approach is significantly conductive to integrate theory with practice. Implementation of the Situational Teaching Approach should insist on theoretical teaching and exercise simulation, the domination of teachers'...
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