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估计两个单属性关系在连接属性上取相同值的个数的方法有两种:静态估计法和动态估计法.本文利用不精确性推理模型对这两种方法的可信度定量地进行讨论,并用具体例子进行说明.
There are two ways to estimate the number of the same value of the two single-attribute relations in the connection attributes: static estimation method and dynamic estimation method.This paper uses the inaccurate reasoning model to quantitatively discuss the credibility of these two methods , And use the concrete example to explain.