def add_node(self, node_id, name, labels):
        """ Add a node to the graph with name and labels.
            Args:
                node_id: the unique node_id e.g. 'www.evil4u.com'
                name: the display name of the node e.g. 'evil4u'
                labels: a list of labels e.g. ['domain','evil']
            Returns:
                Nothing
        """
        self.neo_db.add_node(node_id, name, labels)