Establish threshold levels for the resource, user, and data requests threshold policies and reference each threshold policy to the guaranteed levels of service availability.

对资源、用户以及数据请求等阀值策略建立阈值水平，为每个阀值策略指定服务可用性的保证水平。

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The resource of servers always is visited by mobile computer. Therefore, the efficiency and availability will be improved when querying data from semantic cache in mobile computer.

在移动主机中对查询数据进行语义缓存，将提高移动主机对服务器资源的利用效率以及可用性。

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One way to find and experiment with data while avoiding politics and addressing resource availability is to create and participate in a big data Petri dish.

FORBES: Big Data News of the Week: BYOD