由于数据精化需要针对更大的程序块，所以，它比一般的算法精化更加复杂。
Data refinement is hard to deal with in a refinement tool compared with ordinary algorithmic refinement, since data refinement usually has to be done on a large program component at once.
IBM InfoSphere Streams正是采用这种方法，从而支持监视同时发生的数据流，并提供几乎即时的分析，这种分析将随着新数据的到来不断精化。
IBM InfoSphere streams takes this approach, making it possible to monitor simultaneous data streams and provide nearly instantaneous analysis that is continually refined as new data becomes available.
为此，需要对数据进行精化或细分，以便显示清楚的值关系。
To do so requires refinement or segmentation of the data to look only at distinct value relationships.
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