COL_NODE_I = 'item_id'
COL_NODE_U = 'user_id'
COL_TIMESTAMP = 'timestamp'
COL_STATE = 'state_label'
COL_ID = 'idx'
COL_SUBGRAPH_DISTANCE = 'hop_distance'

TRAIN_START_MEMORY_LABEL = 'train-start'
TRAIN_END_MEMORY_LABEL = 'train-end'
VALIDATION_END_MEMORY_LABEL = 'validation-end'
EXPLAINED_EVENT_MEMORY_LABEL = 'explained_event'
CUR_IT_MIN_EVENT_MEM_LBL = 'current_iteration_min_event'
