Abstract: Provided is a system and method providing a search result by registering an extended keyword. A search result providing system may include a registration keyword determining unit to determine whether a registration keyword is required to be additionally registered based on at least of information associated with a registration of an input keyword, and a registration keyword registration unit to additionally register the registration keyword associated with the input keyword.

Abstract: An advertising system according to an exemplary embodiment of the present invention includes: an advertising selection unit that receives submission of an advertising bid including a reserved bid price and a desired ranking from each of the plurality of advertiser terminals and selects exposure candidate advertisements from the received bid submission advertisements; and a ranking determination unit that selects advertisements to be exposed, excluding the lowest ranking advertisement, from the exposure candidate advertisements, and determines an exposure ranking of the advertisements to be exposed.

Abstract: Provided is a system and method for adjusting a number of advertisement inventories based on a competition factor. An advertisement inventory adjusting system includes a competition determining unit to determine a competition factor for a keyword, an advertisement inventory adjusting unit to dynamically adjust the number of advertisement inventories based on the determined competition factor, and a data storage medium to store advertisement inventories. A method that uses a processor to adjust a number of advertisement inventories includes determining a competition factor for a keyword advertisement with respect to a keyword, and dynamically adjusting, using the processor, the number of advertisement inventories based on the determined competition factor, in which the advertisement inventories refer to available areas to display the keyword advertisement.

Abstract: A method and system for providing an advertisement using a minimum incremental unit are provided. The advertisement providing method includes adjusting a minimum incremental unit based on an initial bid price, an input bid price, and a maximum bid price bid price during an auction. The minimum incremental unit includes a minimum value of increment to be included in a current input bid price in addition to a previously input bid price.

Abstract: Disclosed herein are a method, a system, and a computer-readable recording medium for performing charging for a search advertisement based on a publication ratio thereof.

Abstract: A charging method and system for determining an advertising cost according to a unit time are provided. The charging method includes checking a performance index numerically indicating performance of an advertisement; checking a priority index of a next-priority advertisement to the advertisement; and determining an actual charge per unit time of the advertisement based on the performance index, the priority index, and a predetermined weight.

Abstract: Provided is a system and method providing a search result by registering an extended keyword. A search result providing system may include a registration keyword determining unit to determine whether a registration keyword is required to be additionally registered based on at least of information associated with a registration of an input keyword, and a registration keyword registration unit to additionally register the registration keyword associated with the input keyword.

Abstract: A method, system, and computer-readable recording medium for holding an auction and imposing a charge in relation to a search advertisement are provided. The method includes receiving bid information related to the search advertisement from an advertiser calculating device, the bid information including a search keyword, a posted time of the search advertisement, and a bid price for the search advertisement, determining a posting position and/or a posting order of the search advertisement with respect to a predetermined time slot of the posted time of the search advertisement, based on the bid price corresponding to the time slot, and posting the search advertisement according to the determined posting position and/or the posting order for the predetermined time slot.

Abstract: Disclosed is a method and system for managing quality of an advertising document. The method of managing document quality may include verifying a number of actual clicks corresponding to a number of clicks that may occur during a predetermined period with respect to at least one document that may exist on the Web, verifying a number of expected clicks corresponding to a number of clicks that may be expected to occur during the predetermined period with respect to the at least one document, and determining a quality management index by which quality of the at least one document may be numerically expressed based on the number of the expected clicks and the number of the actual clicks.

Abstract: Disclosed herein are a method and a system for providing an advertisement using a bidding starting price. The method for providing an advertisement includes: determining a bidding starting price for each keyword based on a minimum cost per click for a keyword and the number of expected clicks for the keyword; determining an area in which an advertisement of an advertiser is to be exposed based on a bidding price per unit time input from the advertiser; and providing the advertisement of the advertiser through the area, wherein the bidding price per unit time has a value of the bidding starting price for each keyword or more.

Abstract: A method and system for offering an advertisement by adjusting a bid price per unit time according to advertising traffic are provided. The advertisement offering method includes determining a bid price per unit time based on an average bid price input by an advertiser and advertising traffic, and determining a charge regarding the advertisement of the advertiser based on the bid price per unit time.

Abstract: Provided is a bid management method and system using bid attribute information. The bid management method may include receiving a bid request including bid attribute information of an advertisement listing, determining a display rank of the advertisement listing using the bid attribute information, and calculating a final bid amount of the advertisement listing based on the display rank of the advertisement listing.