METHOD FOR PROVIDING TRANSACTION DATA CLASSIFICATION SERVICE FOR VAT REFUND, AND SERVICE PROVIDING SERVER FOR PERFORMING SAME

摘要

According one embodiment of the present invention, provided is a method by which a service providing server provides a transaction data classification service for a VAT refund, comprising the steps of: (a) acquiring transaction data classification criteria information and past transaction data for a VAT refund; (b) classifying the past transaction data by using a predetermined valid variable corresponding to the transaction data classification criteria information; and (c) updating a coefficient of the valid variable in a transaction data classification equation according to the classification result.