The layer number of the GNN

[cwsy]

Thanks for your contribution and sorry to disturb you. The work was discussed in multi-layers/iterations in the paper, but in the experiment parts, the GNN just has one layer. I am just wondering the performance of the multi-layer GNN or when we add the iterations, will the performance not be improved? Thanks again and looking forward the respond.

[giannisnik]

Hi @cwsy ,
Thanks for your interest in our work. In our experiments, we only used a single iteration and we did not investigate how performance varies as the number of iterations increases. Multiple iterations would mean that the center node gets access to information outside its k-hop neighborhood, but I am not sure what is the impact of that on the model's performance.