text: FEATURE_KEY = "title"
  LABEL_KEY = "source"
  N_CLASSES = 3
  HUB_URL = "https://tfhub.dev/google/nnlm-en-dim50/2"
  HUB_DIM = 50
  N_NEURONS = 16
  TRAIN_BATCH_SIZE = 5
  EVAL_BATCH_SIZE = 5
  MODEL_NAME = "tfx_title_classifier"
  
  
  def transformed_name(key):
      return key + "_xf"
  