6. A system for categorizing items of interest, the system comprising: a data store that maintains a mathematical representation of a description of at least one item category; and a computing device operating a categorization service and in communication with the data store, wherein the categorization service is operative to: automatically determine at least one category recommendation for at least one item of interest offered for sale using a network-based service by: generating a mathematical representation of item information associated with the at least one item of interest; comparing the mathematical representations of the item information and the at least one item category description maintained in the data store, wherein the at least one item category description is maintained by the categorization service and is associated with a plurality of items; and determining an item category to be the at least one category recommendation based upon a similarity of the mathematical representations of the item description and item category description; and enable assignment of an item category to the item of interest, the item category selected from the at least one category recommendation.
13. The system of claim 6 , wherein the categorization service is further operative to receive updated item information comprising the item information and the assigned item category.