Keyword advertisement using ranking of advertisers

摘要

A method of providing a keyword advertisement and a system for executing the method are provided. The method of providing the keyword advertisement includes: generating and maintaining an advertiser history ranking by using an advertiser keyword purchase history; and ordering the keyword advertisement display with respect to a user keyword by using the advertiser history ranking. In this instance, the advertiser keyword purchase history includes mapping information between an advertiser and a keyword purchased by the advertiser for each advertisement group or for each advertisement campaign.