{ "model_type": "lstm", "vocab_size": 10000, "embedding_dim": 128, "hidden_size": 64, "num_layers": 2, "dropout_rate": 0.2, "max_sequence_length": 150, "batch_size": 8, "epochs": 50, "loss_function": "sparse_categorical_crossentropy", "optimizer": "adam", "metrics": [ "accuracy" ], "train_data_size": 5000, "categories": [ "Lifestyle", "Movies & Entertainment", "Food & Dining", "Others" ] }