A Link Prediction Method for Opportunistic Networks
A link prediction and network technology, applied in the network field, can solve problems such as high message delivery delay, message discarding, and prediction methods that cannot handle prediction problems, etc., to achieve the effect of improving recall rate, improving accuracy, and improving message delivery efficiency and capacity
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[0029] The preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, so as to define the protection scope of the present invention more clearly.
[0030] see Figure 4 , the embodiment of the present invention includes:
[0031] A link prediction method for opportunistic networks, comprising the following steps:
[0032] (100) time slice division
[0033] First, use N to represent the node set, and the encounter records on the node set are divided into a series of time slices of equal length according to the length T. In each time slice, an N × N matrix Et is obtained according to the encounter record: if there is more than one encounter between nodes i and j in the time period [t, t + T], the matrix element Et ij =1. Link prediction is based on time slice matrix series (Et 0 , Et 1 …...
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