[psychoslave]

Since you seem versed in these mysteries, do you have some reading recommendation for a gentle introduction to the topic?

[arbol]

I may be wrong, but I think the OP is asking if this method can be used to identify related graphs based on similarity. Take, for example, a graph of someone's movements between locations on a daily basis. Although not exactly the same, there may be similarities that reveal the person the graph relates to.

See https://arxiv.org/pdf/1904.05003 For example