code: def load_citeulike():
      raw_data = dict()
      raw_data["max_user"] = 5551
      raw_data["max_item"] = 16980
  
      raw_data["train_data"] = np.load(
          "dataset/citeulike/user_data_train.npy"
      )
      raw_data["val_data"] = np.load(
          "dataset/citeulike/user_data_val.npy"
      )
      raw_data["test_data"] = np.load(
          "dataset/citeulike/user_data_test.npy"
      )
  
      return raw_data
  
label_desc: Use image node_id 2 for calling a global function with example usage: load_citeulike() and returns: raw_data