Abstract extraction method and system for homogeneous relationship large graph
An extraction method and extraction system technology, applied in the field of data mining, can solve the problems of time-consuming, multi-memory, occupation, etc., and achieve the effect of good summary and quality improvement.
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[0068] In this specific embodiment, the implementation process is as follows Figure 5 As shown in , taking the unweighted and undirected graph as an example, the specific implementation process is described in detail. Specific examples are as follows:
[0069] Step 1, given an undirected and unweighted graph, such as Figure 4 (1), get the adjacency matrix A of the undirected and unweighted graph, the number of nodes N and the number of edges E, set the number of iterations T of the method, where A, N, E are determined according to the actual graph, T is a parameter, this The parameters can be set by experts or by experiments. And assume that each point is a superpoint. A supernode can contain one or more nodes.
[0070] Step 2, the basic idea of the LSH method is: After passing two adjacent data points in the original data space through the same mapping or projection transformation (projection), the probability that these two data points are still adjacent in the new d...
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