一旦您拥有了采用RDF的一些数据源，并且拥有可以确定它们之间关系的本体，那么您需要一种从中获得有用信息的方法。
Once you have some sources of data in RDF, and you have ontologies to let you determine the relationships between them, you need a way to get useful information out of them.
团体健身的另一好处是，参与者可以从教练那里获得有用的信息。
Another beneficial aspect of group exercise is the informational support participants receive from the instructor.
这是一个很有用的工具，可以查看系统中(比如10秒钟之内)的状况，您可以获得有关服务器健康信息的视图，并显示导致问题的任何连接。
It's a useful tool to see what's going on — within 10 seconds, you can get a view of the server's health and display any connections that are causing problems.
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