Research Article

Prediction of New Media Information Dissemination Speed and Scale Effect Based on Large-Scale Graph Neural Network

Algorithm 2

Learning process of the NWIFD model.
input: cascade graph C, sequence of cascade graph adjacency matrices , time window of observation
output: predicted information cascade incremental scale
(1)the Laplacian matrix of the concatenated graph C;
(2)the graph wavelet for each node ;
(3)compute the node embeddings of the information cascade graph ;
(4)Calculate the node embedding of the global graph ;
Calculate the global matrix
(5)while not converge do
(6)Train a bidirectional gated recurrent unit to acquire ;
(7)for each user in the pair i do
(8)calculate
(9)end for
(10)get ;
(11)Train a cascaded variational autoencoder to obtain ;
(12)Obtained by K transformations ;
(13)Combining sums and sums to make final scale incremental forecasts;
(14)end while