Methods and apparatus related to determining a ranking of class members of a task component class. A task component class identifier may be identified, the task component class identifier having a plurality of associated class members. One or more task completion indicators having the identified at least one task component class identifier may be determined. Each of the task completion indicators may indicate which of the associated class members was utilized to complete a task. One or more of the associated class members for the task component class identifier may be ranked. The ranking may be based on frequency of occurrence of the given associated class member in the task completion indicators.