41. The computer program product of claim 38 , wherein the attribute affinity matrix corresponds to a brand-store affinity matrix, and wherein the base attribute is store.
41. The computer program product of claim 38 , wherein the attribute affinity matrix corresponds to a brand-store affinity matrix, and wherein the base attribute is store. 42. The computer program product of claim 41 , wherein the computer readable program code further performs the step of computing the one or more values, for one or more instances of the brand, in the brand-store affinity matrix, based on normalized scores of one or more instances of the store.