Hi. I'm interested in finding subgraph isomorphisms on graphs representing tensor networks. Nodes of such graphs contain expressions (but here one could think of arithmetic expressions over +-/* and variables). Let's say I want to find an isomorphism between my graph and a pattern graph, which contains more generic expressions. Comparing expressions directly doesn't make much sense because of variables, so some form of unification[1] should be used instead.
What strategy could I use to fit the existing API of subgraph_isomorphism which currently only allows me to calculate some fixed labels for nodes? Is it hard(feasible) to modify the API by adding some form of predicate comparison of nodes? BR, Sergei [1] - https://en.wikipedia.org/wiki/Unification_(computer_science)#Examples_of_syntactic_unification_of_first-order_terms
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