Sampling-based method for maximizing influence under linear threshold value model
A threshold model and influence technology, applied in the field of social network science, can solve the problems of high space complexity and high time complexity, and achieve the effects of high flexibility, improved reusability, and fast calculation speed
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[0022] to combine figure 1 , a method for maximizing influence based on a sampling linear threshold model of the present invention, comprising the following steps:
[0023] Step 1. Calculate the set W(G) of all possible worlds G′ of the directed graph G according to the influence of one node on the other node in the directed graph (on the edge),
[0024] The value of the influence of node u on node v in the directed graph is stored on the edge (u, v) between 0 and 1. The larger the value, the greater the influence between nodes, and the easier it is for node v to be affected by u. Where (u, v) is taken as the probability of the existence of a directed edge between u and v, and the set W(G) of all possible worlds can be obtained by using the Monto-Carlo method for multiple simulations;
[0025] Step 2. Calculate the activation probability of the path: including the probability I(s,v,G′) of the existence of the path and the probability Pr(G′) of the possible world:
[0026] 2...
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