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BUPT-GAMMA / OpenHGNN

This is an open-source toolkit for Heterogeneous Graph Neural Network(OpenHGNN) based on DGL.

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Why is the embedding of meta paths different for different nodes in acm4GTN?

wwddd66 opened this issue · comments

commented

❓ Questions and Help

Hi, I found that there are different meta-path embeddings for nodes of different types when I run HGSL model for node classification task in acm4GTN. Normally, it should have one type meta-path embedding for one type meta-path. So could you tell me "Why is the embedding of meta paths different for different nodes in acm4GTN?"

commented

In details, hg.nodes["paper"].data, hg.nodes["author"].data and hg.nodes["subject"].data all have embeddings of type "pspap_m2v_emb", "psp_m2v_emb" and "pap_m2v_emb". I think there should be only one corresponding embedding for a type of meta path, according to the generation results of the metapath2vec model.