5. The method of claim 4 , wherein outputting a value of a label of the selected label type for a particular user node comprises determining a value for a particular video label associated with a particular user represented by the particular user node.
5. The method of claim 4 , wherein outputting a value of a label of the selected label type for a particular user node comprises determining a value for a particular video label associated with a particular user represented by the particular user node. 6. The method of claim 5 , further comprising determining one or more videos to recommend to the particular user by identifying one or more videos labels having values for the particular user node that satisfy a threshold requirement.