| 摘要 |
The search service providing method according to the presents invention, includes maintaining a search result database including a keyword, a search listing associated with the keyword, a bid amount associated with the search listing, a total exposure number associated with the search listing, an exposure index associated with the search listing, and/or an advertiser identifier associated with the search listing; in the case a search request including a predetermined keyword is inputted from a user, selecting a predetermined number of search listings whose exposure index ranks high from search listings associated with the keyword; and generating and providing a search result list including the selected predetermined number of the search listings, wherein the exposure index is computed based on an average click rate that is an average of unit period click rates for a specified period.
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