how to code the following graph structure ?
which kind of data structure is suitable in this case for both forward inference and backward propagation ?
Do edges belong to different types? If not, DGLGraph naturally supports multigraphs.
@mufeili yes, the edges are of different arithmetic operations.
However, does the multigraph have support for both forward inference and backward propagation operations ?
If the edges belong to different types and you want to distinguish the types, you will need to construct a heterogeneous graph.
What do you mean by “support for both forward inference and backward propagation operations”? If you simply want to use it with a graph neural network, then yes.
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