Hi, I am wondering does feeding the isolated nodes with features into GCN and GAT affect the final outputs for classification tasks?
Those isolated nodes have original features and will they be changed after GCN or GAT? (I suppose that there is no message passing through isolated nodes, and their feature embeddings will not be changed after applied GCN or GAT.)
Also, It seems that GAT does not allow isolated nodes, and one option to deal with isolated nodes is to add self-loop. I am wondering does adding self-loop affect the final outputs for classification tasks?