25. A computer implemented method for generating a search result list in response to a search request input from a searcher through a communication network, comprising the steps of: determining a lowest limit bidding price for each keyword by a processor, the lowest limit bidding price being determined in consideration of at least one of a number of page views for each keyword, a basic unit price per one page view and a weight associated with a preference for the each keyword; receiving web page titles, web page descriptions, image files, keywords and bidding prices associated with web pages of the network information providers from network information providers, the bidding prices being higher than or equal to the lowest limit bidding price, wherein the received bidding prices are hidden from the network information providers; generating search listings in real time substantially by combining the web page titles, the web page descriptions and the image files, and offering the generated search listings to the network information providers; receiving confirmation inputs of the network information providers for the generated search listings; selecting a successful bidder among a plurality of network information providers that provided confirmation inputs, wherein the successful bidder is selected according to a predetermined criterion associated with the bidding prices; associating the keywords with the search listings of the successful bidders; receiving a search request from the searcher; identifying search listings associated with a keyword corresponding to the search request; and offering the identified search listings to the searcher by arranging the identified search listings in a predetermined position of a search result web page.
26. The method as claimed in claim 25 , further comprising the steps of: receiving a correction request for one or more of web page titles, web page descriptions and image files from the network information providers; and correcting the search listings in real time substantially in response to the correction request and offering the corrected search listings to the network information providers.