1. A method for automatically adding new class definitions to a classification system, comprising: determining a product description and classifying said product description into at least one class utilizing a predefined set of characteristics that are related to a product type in a classification system; comparing said product descriptions with said predefined set of characteristics concerning classifying said product description and extracting a plurality of relevant information from said product description; and coalescing and transforming said plurality of relevant information into a set of new classification rules in order to represent a new product type and automatically classifying said product descriptions that represent said new product utilizing said set of new classification rules.