ADVERTISEMENT SYSTEM AND ADVERTISEMENT METHOD FOR CONTROLING EXPOSURE FREQUENCY AND EXPOSURE INTERVAL OF ADVERTISEMENT TO MANAGE INVENTORY

摘要

PURPOSE: An advertisement system and method thereof are provided to maximize advertisement effects by enabling a user to provide advertisement related to interesting states of a user based on searching words. CONSTITUTION: A probability calculation unit(710) calculates probability related to searching words which are inputted during unit periods of a user by using the searching words inputted during past unit periods. An inventory prediction unit(720) predicts the inventory of the requested searching word by using the calculated probability. A sellable inventory determination unit(730) determines sellable inventory for the requested searching words by using sales volumes of the probability and the searching words which are previously sold.