An online advertising system using exclusive keywords and a method thereof

The present invention, when provided to the user can be via wired or wireless communication network, as for online advertising systems and methods that can be provided with advertising associated with the content to the user, in particular of the content information to cause the user discomfort or resistance If you can have it for selective online advertising system and method that allows you to restrict the delivery of the ad. The present invention relates to maintaining the advertisement data, keywords, negative keywords, and a category associated with the content provided by the advertisement database, the user terminal through a communication network for holding a category corresponding to the advertisement data associated with the advertising data associated with the advertisement data from to the content database, the advertisement advertising data retrieving unit for retrieving advertisement data corresponding to the category associated with the content from a database, advertisement data by using the keywords the retrieved associated with the search advertisement data to advertisement data according to predetermined criteria the adoption of advertisement data for the introduction portion, the adoption of the advertising data in association with the content, and a display control unit for controlling to display on the user terminal, the advertisement data employed the unit If it is the selected line retrieving a negative keyword associated with the data, determining whether it contains the negative keyword found the the content, and it is determined that the content contains the negative keyword searched the adoption of the selected advertisement data to perform the steps do not provide the online advertising system as claimed.