Add TokenGT model #9834
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Add TokenGT model #9834
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PyG implementation of the Tokenized Graph Transformer following "Pure Transformers are Powerful Graph Learners" (https://arxiv.org/pdf/2207.02505). Includes support for both Laplacian eigenvectors and ORF node identifiers (implemented via a simple data Transform object). A graph regression example is also included.
For a detailed blog post about the implementation, see https://medium.com/stanford-cs224w/pyg-implementation-tokengt-e4aa74dc867b.