updated model configurations

embeddings/NextTagEmbedding.py

embeddings/__pycache__/dataset.cpython-39.pyc

embeddings/__pycache__/dataset_in_memory.cpython-39.pyc

embeddings/__pycache__/helper_functions.cpython-39.pyc

embeddings/__pycache__/hetero_GAT_constants.cpython-39.pyc

...ings/__pycache__/static_graph_construction.cpython-39.pyc

embeddings/gnn_sweep.py

embeddings/helper_functions.py

embeddings/hetero_GAT.py

embeddings/hetero_GAT_constants.py