8. The system of claim 7 , wherein the item categorization service is further adapted to assign the first category for the item of interest by identifying the hierarchically organized categories having the highest relevance values as first category candidates.
7. The system of claim 6 , wherein the item categorization service is further adapted to assign the first category for the item of interest based at least in part on relevance values associated with at least a portion of the hierarchically organized categories and the item information.