| 摘要 |
The search service providing method according to the present invention includes: maintaining a search listing database including a keyword, a search listing associated with the keyword, a bid amount, an exposure index, and/or an advertiser identifier associated with the search listing, computing an average click rate for each of the search listings, computing the exposure index based on the average click rate and the bid amount for each search listing and recording the exposure index in the search listing database in association with the search listing to be updated, receiving a search request including a keyword from a user, selecting a predetermined number of the search listings whose exposure index ranks high from the search listings associated with the keyword with reference to the search listing 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.
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