METHOD FOR PROVIDING SEARCH SERVICE AND SYSTEM FOR EXECUTING THE METHOD

摘要

The present invention relates to a method of providing search services and a search system executing the method, and more particularly, to a method of selecting search results based on an average click rate and a bid amount of each search result and a search result system executing the method. The search service providing method according to the present invention includes: maintaining a search result database including a keyword, a search result associated with the keyword, a bid amount associated with the search result, an exposure index associated with the search result, and/or an advertiser identifier associated with the search result, computing an average click rate for each of the search results, the average click rate being an average of unit period click rates for a certain period elapsing immediately before a present point in time, each of the unit period click rates corresponding a ratio of a number of clicks to a number of impressions for unit period, computing the exposure index based on the average click rate and the bid amount for each search result and recording the exposure index in the search result database in association with the search result to be updated, receiving a search request including a keyword from a user, selecting a predetermined number of the search results whose exposure index ranks high from the search results associated with the keyword with reference to the search result database, and generating a search result list including the predetermined number of the selected search results and providing the search result list to the user.