1. A method for classification, the method comprising: receiving, by one or more processors of a server, a classification request comprising a description of an item; determining, by the one or more processors, an item type of the item using a plurality of classifiers; generating, by the one or more processors, information of item type determination corresponding to the item, the information of item type determination comprising the description of the item and a determined item type; determining, by the one or more processors, whether a confidence score associated with the determined item type is less than a predetermined threshold; and in response to a determination that the confidence score associated with the determined item type is less than the predetermined threshold, providing, by the one or more processors, the information of item type determination for analysis.