text: SESSION_COL = 'session_id:token'
  ITEM_COL = 'item_id:token'
  TIME_COL = 'timestamp:float'
  ITEM_LIST_COL = 'item_id_list:token_seq'
  TARGET_COL = 'item_id:token'
  
  PREFIX_PATH = '/mnt/data/mtaule/RecBole'
  CHECKPOINT_PATH = 'checkpoint/'
  DATASET_PATH = 'dataset/'
  RESULTS_PATH = 'results/'
  