code: def __init__(self):
      self._tf_graph = tf.Graph()
      self.inputgraph = self._SubGraph(self)
      self.usergraph = self._SubGraph(self)
      self.itemgraph = self._SubGraph(self)
      self.contextgraph = self._SubGraph(self)
      self.fusiongraph = self._SubGraph(self)
      self.interactiongraph = self._SubGraph(self)
      self.optimizergraph = self._SubGraph(self)
  
      self.connector = self._Connector(self)
  
      self._operation_identifier_set = set()
      self._loss_identifier_set = set()
      self._output_identifier_set = set()
      self._input_mapping_dict = dict()
  
imports: import tensorflow
  import numpy
  import os
label_desc: Use image node_id 1 to create a new _RecommenderGraph object from inherited base classes: object with example: obj = _RecommenderGraph()