Community detection method based on backbone network extension
A backbone network and detection method technology, applied in the field of efficient community detection based on backbone network expansion, can solve the problems of different community division results, high complexity, low algorithm efficiency, etc., achieve wide practical application value, and reduce the calculation scale , the effect of reducing computational complexity
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example 1
[0052] Example 1 Karate Club Dataset
[0053] The karate club data set is a data set constructed by American scholar Wayne Zachary from the three-year interaction relationship between members of a university karate club in the United States. The relationship network is as follows: figure 2 shown. The network includes 34 nodes and 78 edges, and each node represents a club member. If there is often a connection between two members, there is a connection between the nodes representing the two members.
[0054] Due to the dispute between the director John A. (node 34) and the coach Mr.Hi (node 1), the network split into two groups with them as the backbone, such as image 3 , different node colors in the figure represent different communities. Since the network is a real-world network and researchers know the real community structure of the network, this network is often used to test the effectiveness of community detection methods.
[0055] The step that the present inven...
example 2
[0067] Example 2DBLP paper collaborator data set
[0068] The DBLP paper collaborator network has collected most of the computer-related English literature with the author as the core of the research results in the computer field. The present invention only extracts the cooperation situation of 221 authors of conference papers in the field of data mining in the DBLP data set during the 12 years from 2003 to 2014. This dataset has more than 94,000 paper authors and 255,925 cooperative relationships between authors, with an average degree of each node of 8.9. Figure 4 The real topology of some networks when no community division is performed for the DBLP dataset.
[0069] The present invention uses a community detection method based on backbone network extension to calculate the data, and the backbone nodes account for 40% of the total number of nodes in the DBLP data set. After the present invention divides the data in the DBLP data set into communities, the modularity of th...
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