Abstract: Provided are a search method using an extended keyword pool and a system for performing the method.

Abstract: A method of managing an advertiser and a system for executing the method are provided. The method of managing the advertiser selectively includes: calculating a master index based on contribution performance data and activity performance data of the advertiser; and assigning a grade of the advertiser depending on the master index.

Abstract: Provided is a keyword advertising system for extracting search listings in response to a search request. The system comprises a memory for storing a search information database; a bid control module selecting a predetermined number of search listings primarily according to the bid amount and an estimated advertising period; a ranking module generating an ordered search result list; and a computation control module computing the advertising period for the received bids. The ranking module orders the selected search listings in the search result list according to the selected search listings' respective bid amounts and the estimated advertising period and the computation control module estimating advertising costs uses the bid amount of the advertiser and average number of clicks information during a predetermined previous period. The computation control module further calculates the estimated advertising period using deposit from the advertiser and the estimated advertising costs.

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.

Abstract: Provided are a system and method for providing a search result based on a similarity between contents and a system and method for providing an advertisement. The search result providing system may include: a content retrieval unit to retrieve a content corresponding to a user query; a similar content verification unit to verify a similar content based on at least one portion of the retrieved content; and a content provider to provide the retrieved content and the similar content in response to the user query.

Abstract: A method and system for creating an advertising list including a big advertiser's advertising information, which can prevent a big advertiser's advertising information, less associated with a content page, from being displaying only because the big advertiser purchased a plurality of keywords, and thereby control ‘the Poor Get Poorer and the Rich Get Richer’ phenomenon in displaying advertising is provided. According to the present invention, there is provided a method and system for creating an advertising list, which can control ‘the Poor Get Poorer and the Rich Get Richer’ phenomenon in displaying advertising where a big advertiser's advertising information with a great purchasing power is preferentially displayed in an advertising list and thus small and medium advertisers' advertising information may not be displayed.

Abstract: Disclosed is a method of providing customized product information. The method includes maintaining a basic index database for recording basic index data associated with a plurality of users for each product model, extracting the basic index data of the user corresponding to a predetermined classification standard from the basic index database, generating point information associated with each product model by calculating the extracted basic index data, and displaying each product model on a predetermined webpage according to the generated point information.

Abstract: A category recommendation method includes maintaining a category database including an internal identifier and an internal category to which the internal identifier belongs; externally receiving a foreign identifier and a foreign category where the foreign identifier belongs to from an outside; extracting a query associated with the foreign identifier; and recommending at least one of the internal categories stored in the category database by using the query as a category corresponding to the foreign identifier.

Abstract: A keyword advertising service method for providing search information in response to a search request, the method includes the steps of: maintaining a search information database for storing at least one search information record; receiving a search request packet including a keyword inputted in a partner site selected by a user and a site identifier for identifying the partner site, from the partner site; extracting, in response to the search request packet, at least one search information record including a keyword corresponding to the keyword included in the search request packet, from the search information database, by using the bidding participation fee; rolling the extracted search information records independently from the bidding participation fee to be displayed on a result list field and providing the result list field to the partner site in response to the search request; and charging an advertiser corresponding to the search information record, in the case the user clicks the search information r

Abstract: Disclosed is a method of providing customized product information. The method includes maintaining a basic index database for recording basic index data associated with a plurality of users for each product model, extracting the basic index data of the user corresponding to a predetermined classification standard from the basic index database, generating point information associated with each product model by calculating the extracted basic index data, and displaying each product model on a predetermined webpage according to the generated point information.

Abstract: An automatic search advertisement presentation method, including: analyzing a keyword included in a title of an advertiser website, description of the advertiser website, content of the advertiser website, or condition entered by an advertiser; generating an impression keyword based on a result of the analysis; receiving a query from a user; comparing the query and the impression keyword; and presenting an advertisement corresponding to the impression keyword based on a result of the comparing.

Abstract: Provided is a keyword advertising system for extracting search listings in response to a search request. The system comprises a memory for storing a search information database; a bid control module selecting a predetermined number of search listings primarily according to the bid amount and an estimated advertising period; a ranking module generating an ordered search result list; and a computation control module computing the advertising period for the received bids. The ranking module orders the selected search listings in the search result list according to the selected search listings' respective bid amounts and the estimated advertising period and the computation control module estimating advertising costs uses the bid amount of the advertiser and average number of clicks information during a predetermined previous period. The computation control module further calculates the estimated advertising period using deposit from the advertiser and the estimated advertising costs.

Abstract: There are provided a method and system for determining the validity of a command, which includes: a first step of receiving a command including a predetermined query from a terminal of a user; a second step of generating log information associated with the command, in which the log information includes at least one of the query included in the command, input time point information on a time point of inputting the command, and a network address of the terminal; a third step of recording the log information in a log database; a fourth step of calculating a first determination result with respect to the validity of the command according to a predetermined first determination standard; a fifth step of including identification information determined according to the first determination result in the log information and recording in the log database; a sixth step of periodically searching for log information recorded for a first period with reference to the log database; and a seventh step of determining again the

Abstract: A method and system for creating a search result list, which can simplify a system configuration by searching a single database for search information, and also can display search information on a plurality of display areas with only one keyword purchase. According to the present invention, there may be provided a method and system for creating a search result list, which can differ from a conventional method and system of providing an individual database for each of display areas and thereby effectively managing search information, and can enroll a keyword in a single database according to one keyword purchase and thereby display search information on a plurality of display areas.

Abstract: Provided is a keyword advertising system extracting search listings in response to a search request, the system comprising: an interface receiving bid price information corresponding to a keyword from an advertiser; a search information database storing search listings associated with the advertisers in association with each of the received bid price information; a ranking module generating a search result list by referring to the search information database, in response to a search request from a searcher; and a search results providing module providing the searcher with the generated search result list; wherein the ranking module generates the search result list by performing the steps of: identifying a keyword received from the searcher in association with the search request; selecting N of search listings from the at least one search result listing corresponding to the identified keyword, based on the bid price information; and ordering the selected search listings in order of click through rate.

Abstract: Disclosed are a method and system for proposing an advertisement keyword. The method includes receiving an input of a keyword associated with a new advertiser, extracting a representative keyword from among advertisement keywords of an existing advertiser having an outcome of a prescribed reference value or more, comparing a keyword inputted in association with the new advertiser and the representative keyword of the existing advertiser, determining whether the new advertiser has the same business category as that of the existing advertiser based on the compared result, designating a predetermined keyword-set as a business category keyword based on the determined result, and proposing the advertisement keyword to the new advertiser based on a result obtained by analyzing the business category keyword.

Abstract: A method and system of processing an invalid click is provided. The method includes the steps of: verifying an invalid click Internet Protocol (IP) address of a user terminal generating the invalid click with respect to an advertisement; associating the invalid click IP address with the advertisement, and registering and maintaining the invalid click IP address in an invalid click list when the invalid click IP address is verified; and providing the user terminal of the invalid click IP address with a result page other than the advertisement with respect to an advertisement exposure request using the invalid click IP address. When a number of clicks is greater than or equal to a predetermined number of clicks with respect to the same advertisement using the same IP address over a predetermined time, the step of verifying verifies the same IP address as the invalid click IP address.

Abstract: Provided is an advertising method and system for displaying optimal advertising content, the method including the steps of: maintaining an advertisement database that includes a plurality of advertising contents associated with a targeted site; randomly rolling and displaying the plurality of advertising contents associated with the targeted site by referring to the advertisement database, when displaying the targeted site as a search result; analyzing click statistics information associated with each of the randomly displayed advertising contents; and determining the optimal advertising content associated with the targeted site based on the analyzed click statistics information.

Abstract: A digital rights management (DRM) method for a content based on a streaming service and a system for executing the method are provided. The DRM method includes the steps of: generating and maintaining content information about a content; and updating a number of plays of the content information when play information is received from a service page displaying the content, wherein the content and a cloned identical content are classified using different identifiers.

Abstract: A method and system for displaying a knowledge advertisement which can provide a knowledge document that is retrieved in response to a knowledge search request, and also can provide paid advertisement information of an advertiser, and thereby can create advertising effect using a knowledge search and also can prevent the abusive registration of poor advertising questions/answers is provided. Therefore, there may be provided a method and system for displaying a knowledge advertisement which can develop questions and answers corresponding to advertisement knowledge and generate a construction where a system operator can optimally inspect the questions and the answers, and thereby can prevent the abusive registration of advertising questions and answers.