How to convert PyG HeteroData object to CogDL dataset

Question

How to convert PyG HeteroData object to CogDL dataset

xiachenrui opened this issue a year ago · comments

❓ Questions & Help

Hi all,
I want to convert a PyG HeteroData object to cogdl.data.Graph. Can I use from_pyg_data function ? I am not sure if it support HeteroData object.

Bests !
Chen-Rui

Yukuo Cen · Answer 1 · Tue Feb 28 2023 15:43:26 GMT+0800 (China Standard Time)

Hi @xiachenrui ,

The current from_pyg_data API does not support PyG's HeteroData. Which dataset do you want to use?

XIA CHENRUI · Answer 2 · Tue Feb 28 2023 17:17:52 GMT+0800 (China Standard Time)

Thanks for your reply!

I create the PyG HeteroData object with my own data. In detail, my dataset contains one node type and multiple edge types. Could you please tell me how to use my data to create a Codgl Graph object, I do not find a tutorial for hetero graph buliding in Codgl yet.

XIA CHENRUI · Answer 3 · Tue Feb 28 2023 17:23:12 GMT+0800 (China Standard Time)

I found the bulid-in hetero dataset such as gtn-acm seems use a list to represent adjacent matrix of every edge type respectively. But I am still not clear how node types are involved.