Esempio n. 1
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    Path("results/").mkdir(parents=True, exist_ok=True)

    # Initialize Model
    tgn = TGN(
        neighbor_finder=train_ngh_finder,
        node_features=node_features,
        edge_features=edge_features,
        device=device,
        n_layers=NUM_LAYER,
        n_heads=NUM_HEADS,
        dropout=DROP_OUT,
        use_memory=USE_MEMORY,
        message_dimension=MESSAGE_DIM,
        memory_dimension=MEMORY_DIM,
        memory_update_at_start=not args.memory_update_at_end,
        embedding_module_type=args.embedding_module,
        message_function=args.message_function,
        aggregator_type=args.aggregator,
        memory_updater_type=args.memory_updater,
        n_neighbors=NUM_NEIGHBORS,
        mean_time_shift_src=mean_time_shift_src,
        std_time_shift_src=std_time_shift_src,
        mean_time_shift_dst=mean_time_shift_dst,
        std_time_shift_dst=std_time_shift_dst,
        use_destination_embedding_in_message=args.
        use_destination_embedding_in_message,
        use_source_embedding_in_message=args.use_source_embedding_in_message,
        dyrep=args.dyrep)

    # loss function
    criterion = torch.nn.BCELoss()
Esempio n. 2
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            args.prefix)
    Path("results/").mkdir(parents=True, exist_ok=True)

    # Initialize Model
    tgn = TGN(
        neighbor_finder=train_ngh_finder,
        node_features=node_features,
        edge_features=edge_features,
        device=device,
        n_layers=NUM_LAYER,
        n_heads=NUM_HEADS,
        dropout=DROP_OUT,
        use_memory=USE_MEMORY,
        message_dimension=MESSAGE_DIM,
        memory_dimension=MEMORY_DIM,
        memory_update_at_start=not args.memory_update_at_end,
        embedding_module_type=args.embedding_module,
        message_function=args.message_function,
        aggregator_type=args.aggregator,
        n_neighbors=NUM_NEIGHBORS,
        mean_time_shift_src=mean_time_shift_src,
        std_time_shift_src=std_time_shift_src,
        mean_time_shift_dst=mean_time_shift_dst,
        std_time_shift_dst=std_time_shift_dst,
        use_destination_embedding_in_message=args.
        use_destination_embedding_in_message,
        use_source_embedding_in_message=args.use_source_embedding_in_message)

    tgn = tgn.to(device)

    num_instance = len(train_data.sources)