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: Disclosed is a method and system of preventing browser-based abuse. The method of preventing browser-based abuse may include determining whether an access based on a browser function extension module is a malicious access for acquiring data of an Internet browser, and blocking the access based on the browser function extension module when the access is determined to be a malicious access.

Abstract: A search system using an extended keyword pool includes a processor. The processor includes a purchased keyword module configured to generate a purchased keyword set by searching for a keyword having a purchase history through a search advertisement. The processor includes an additional keyword module configured to generate an additional keyword set by extracting a keyword from at least one source. The processor includes a unified search keyword module configured to generate a unified search keyword set by searching for a keyword having a number of hits greater than a determined number of hits among queries comprising the purchased keyword set and the additional keyword set. The processor includes a search module configured to provide, as a keyword pool, an associated keyword or an extended keyword with respect to a search word, using the keywords in the purchased keyword set, the additional keyword set, and the unified search keyword set.

Abstract: Disclosed is a data replication method in a Database Management System (DBMS). The data replication method includes generating a replication log through a transaction log of a master database to thereby transmit the generated replication log to a distributor, determining a slave host distributing the replication log to thereby distribute the replication log to the corresponding slave host, and reflecting the replication log in a slave database.

Abstract: Provided are a location-based service system and method for generating secondary information. The location-based service system, which includes a processor, may include an information receiving unit to receive location information corresponding to a location in a route of a user, and an information adding unit to add to multimedia content that the user created, using the processor, at least a part of the received location information and location-related information which is associated with the received location information.

Abstract: Provided is a method of determining command line validity, including: a step of maintaining a block network address database including block network address information; a step of receiving a command line from a terminal of a user; a step of extracting network address information included in the command line; a step of determining whether the network address information is the block network address information, with reference to the block network address database; a step of generating log information associated with the command line in case that the network address information is not the block network address information as the result of the determination, in which the log information comprises at least one of the network address information included in the command line, input time point information with respect to the input time point of the command line, and request content information; a step of recording the log information in a log database; and a step of determining the validity of the command line by u

Abstract: A method and system of inspecting advertising contents of a keyword advertisement is provided. The method includes: crawling a Universal Resource Locator (URL) registered by an advertiser and extracting a URL keyword related to an advertisement site of the advertiser; extracting a target keyword from a plurality of advertisement information being registered in relation to the URL; and determining further inspection-required advertisement information through keyword comparison between the extracted URL keyword and the target keyword, the further inspection-required advertisement information having low relevance to the advertisement site.

Abstract: A computer-implemented method and computing system for providing advertisement content and a computer-implemented method and computing system for exposing advertisement content are provided. A computer-implemented method of providing advertisement content, the method includes: receiving a bid request with respect to the advertisement content associated with digital broadcast content; determining an exposure ranking of the advertisement content using quality information of the advertisement content; and providing the digital broadcast content and the advertisement content arranged based on the exposure ranking, wherein the advertisement content is classified by an accounting method.

Abstract: A method of determining a command line validity includes maintaining a block network address database including block network address information; receiving a command line from a terminal of a user; extracting network address information included in the command line; determining whether the network address information is the block network address information, with reference to the block network address database; generating log information associated with the command line in case that the network address information is not the block network address information as the result of the determination, in which the log information comprises at least one of the network address information included in the command line, input time point information with respect to the input time point of the command line, and request content information; recording the log information in a log database; and determining the validity of the command line by using the log information.

Abstract: A database management method generates an execution plan with respect to a factorized character string generated by factoring an execution value list of a query and storing the factorized character string and an execution plan identifier associated with the factorized character string. The method includes receiving a factorized character string generated from a query; determining whether the factorized character string is stored in a memory; transmitting an execution plan identifier matching the factorized character string stored in the memory when the factorized character string is stored in the memory; generating and transmitting an execution plan identifier with respect to an execution plan of the factorized character string when the factorized character string is not stored in the memory; receiving a query request consisting of the execution plan identifier and an execution value list included in the query; and providing a query result obtained using the query request.

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 of providing a keyword advertisement and a system for executing the method are provided. The method of providing the keyword advertisement includes: generating and maintaining an advertiser history ranking by using an advertiser keyword purchase history; and ordering the keyword advertisement display with respect to a user keyword by using the advertiser history ranking. In this instance, the advertiser keyword purchase history includes mapping information between an advertiser and a keyword purchased by the advertiser for each advertisement group or for each advertisement campaign.

Abstract: Provided is a method and system for effective search retargeting in search advertising. An advertising method may include determining a search history of a user and changing a display text associated with the search result if the determining determines that the search result has been previously provided to the user. The determining may be based on a search result provided to the user in response to a received input keyword.

Abstract: Disclosed is a database management method which generates an execution plan with respect to a factorized character string generated by factoring an execution value list of a query and stores the factorized character string and an execution plan identifier with respect to the factorized character string, matching each other.

Abstract: A method and system for managing database is disclosed, which is capable of simultaneously performing a data selection procedure and a data click-count update procedure when specific data is selected, the method comprising receiving and analyzing a query in which both a fetch request for a record included in a specific database table and an update request for at least one of columns included in the record are defined together; generating an execution plan to execute the analyzed query; and executing the execution plan by fetching the record and updating at least one of the columns according to the execution plan.

Abstract: Provided is a system and method for controlling server usage in a peer-to-peer (P2P) based streaming service. The system to control server usage in a peer-to-peer based streaming service includes a concurrent connections number providing unit to calculate a number of peer clients concurrently connected to the peer-to-peer based streaming service; a non-transitory memory to store the number of peer clients concurrently connected to the peer-to-peer based streaming service; and a server usage controlling unit to control server usage for the peer-to-peer based streaming service based on a ratio of a variable associated with an influx rate of peer clients to the number of peer clients concurrently connected to the peer-to-peer based streaming service.

Abstract: Provided is a system and method for providing an advertisement that provides an interface for an integrated payment for products in an integrated e-marketplace. The system for providing the advertisement may include: an advertisement receiving unit to receive advertisements associated with products or services sold by a plurality of affiliate stores, an advertisement providing unit to provide at least a portion of the received advertisements to a user connected to a website, an information processing unit to store information on an advertisement selected by the user and providing the information on the advertisement, and an integrated payment processing unit to receive product information from the plurality of affiliate stores associated with the advertisements, and process an integrated payment with respect to products or services selected by the user.

Abstract: A method of determining vulnerability of web application comprises: selecting fixed parameters from parameters of URL link extracted from a website; determining whether a process of determining vulnerability for the selected fixed parameter is completed or not; inserting an attack pattern for each attack type to an input value for the selected fixed parameter, when the process of determining vulnerability for the selected fixed parameter is not completed; and determining vulnerability of the selected fixed parameter by each attack type through an analysis of response to an input of URL link with the attack pattern inserted thereinto.

Abstract: A system and method for providing an advertisement that provides an affiliate marketing service in an integrated e-marketplace is disclosed. The system for providing the advertisement included in a portal site managing system which managing system provides a plurality of services including at least one of a shopping information providing service, a social networking service, a web document searching service, a personal page managing service, and a payment service.

Abstract: Provided is a system and method for providing an advertisement that provides an integrated e-marketplace in a portal site managing system that provides a plurality of services including at least one of a shopping information providing service, a web document searching service, a personal page managing service, and a payment service.