Keyword advertising service and keyword advertising service method to extract the search order list of advertisers in response to a search request

摘要

There are provided a keyword advertisement service method and a system including: a step of maintaining a search information database for storing at least one search listing in correspondence to a predetermined keyword; a step of receiving 5 information on predetermined bid participation cost in association with extracting the search listing from the advertiser; a step of extracting at least a part of the search listings corresponding to the keyword inputted for the search request; and a step of arranging the extracted search listings into a search result list by rolling the same and providing the search result list as a search result of the search request, wherein Step of extracting 0 at least the part of the search listings corresponding to the keyword inputted for the search request includes: a step of giving an extraction ranking to each of the search listings corresponding to the keyword based on the bid participation cost and a predetermined additional factor and a step of extracting search listings within a set-up ranking.