7. The method of claim 1 , further comprising determining costs for improving the scores of the references to the entity.
7. The method of claim 1 , further comprising determining costs for improving the scores of the references to the entity. 8. The method of claim 7 , further comprising determining values for improving the scores of the references to the entity associated with the search terms and selecting references to be improved based on determining the costs and values for improving the scores of the references to the entity associated with the search terms.