Abstract: A method for implementing non-repudiation of payment in a payment managing server includes receiving, from a user terminal, a terminal public key of a pair of asymmetric keys generated by the user terminal, receiving user authentication information, the user authentication information having been generated by a user authentication server and transmitted to the user terminal, storing the received terminal public key when validity of the user authentication information is confirmed through a communication with the user authentication server, receiving a payment request from the user terminal, receiving, from the user terminal, electronic signature information that has been encrypted with a terminal private key of the pair of asymmetric keys and decrypting the electronic signature information using the stored terminal public key, is provided.

Abstract: A virtual device acquires a transaction history between a legacy computing device and a linked device; obtains a first request provided from the legacy computing device based on the transaction history and a first response received from the linked device in response to the first request; receives a second request corresponding to the first request from a new computing device and determines a second response to the second request; and provides test information for the new computing device based on a comparison of the first response and the second response.

Abstract: Provided are a server and method for recognizing an image to determine whether an inspection target is faulty. The method includes generating a new image by transforming N images acquired from an inspection target into one or more channel spaces, and extracting a feature value by learning N images acquired by separating the new image according to channels.

Abstract: A method for testing an IT system automatically, when it comes to testing based on real transaction data including: (a) obtaining a transaction message by capturing a network packet transmitted and received between a user system and a transaction processing system; (b) transmitting a request data included in the transaction message to the system under test; (c) receiving a response data from the system under test; and (d) comparing the response data received from the system under test and a response data included in the transaction message and determining success or failure, is provided.

Abstract: A card authorization method of a management server includes receiving first attribute information corresponding to a unique card number of a card from a card issuer server, extracting second attribute information corresponding to the unique card number of the card from a database, comparing the second attribute information with the first attribute information, generating fare information for billing to the card based on the comparison result, and transmitting the fare information to a card authorization terminal.

Abstract: Provided are a method and a terminal for unlocking a locked mode of the terminal. The terminal may include a display to display a home screen in an unlocked mode and a lock screen in a locked mode, an appearance of the lock screen being the same as a home screen, a user interface to receive inputs to unlock the lock screen, and a controller configured to unlock the lock screen based on the received inputs. The input may be received when the lock screen is displayed on the display in the lock mode, the input having a prescribed pattern. When the prescribed pattern of the input corresponds to a previously stored unlocking pattern, the lock screen may be unlocked to display the home screen.

Abstract: Provided is a method, system, and a computer-readable record medium for providing a personalized recommendation of products.

Abstract: A method, a server, and a system includes a central server configured to compare an authorization result of a fare payment means upon boarding a transportation means with an authorization result of the fare payment means upon leaving the transportation means, determine whether to update at least one of a boarding terminal and a departure terminal based on the comparison result, and transmit update information to at least one of the boarding terminal and the departure terminal based on the determination result. The boarding terminal performs an authorization process of the fare payment means upon boarding if a network connection between the central server and the boarding terminal is unstable, and the departure terminal performs an authorization process of the fare payment means upon leaving if a network connection between the central server and the departure terminal is unstable.

Abstract: An open fare payment method for a fare payment terminal device which performs a fare transaction process, includes: receiving fare transaction information from a fare media, determining a network state between a device and a central system, and receiving an authorization result of the fare transaction information from the central system according to the network state such that the device authorizes the fare transaction information or authorizes the fare transaction information by itself independently based on authorization reference information in the fare payment terminal device.

Abstract: A system includes one or more processors, and one or more non-transitory computer-readable media having stored thereon a program, which, when executed, causes the one or more processors to perform a method of a distributed server of a transportation system. A method includes monitoring whether a failure has occurred on a communication network between the distributed server and a central server, searching for another distributed server capable of communicating with the central server, based on a result of the monitoring, and communicating with the central server using the other distributed server.

Abstract: An operating method of a distributed server includes downloading operating information from a central server, the operating information including information related to card transactions and terminal information on one or more card terminals, receiving a payment request for a card tagged on a card terminal from the card terminal, and performing an operation related to a payment requested by the card terminal based on the operating information. The operating method may further include receiving status information from the central server, the status information indicating whether or not the central server is overloaded, processing the payment requested by the card terminal if the status information indicates that the central server is overloaded, and transmitting a result of processing the payment to the card terminal.

Abstract: Provided is a transit management server, system and method for managing transit fares for a transportation system. The method includes selecting, in a transit management server, at least one fare module according to a transit fare policy, the at least one fare module corresponding to a prescribed category of fare and configured to determine a fare based on the prescribed category, setting, in the transit management server, at least one parameter in the selected fare module, and transmitting, from the transit management server to at least one terminal communicatively coupled to the transit management server, the set parameter to update a corresponding fare module in the at least one terminal according to the transit fare policy.

Abstract: A method for designing business logic being performed on a computer server that includes respectively executing a test engine and a service engine independent of each other, receiving the business logic representing a business service from a modeling terminal, the business service being associated with an event, allowing the modeling terminal to register the business logic to the test engine and to test the business logic, and allowing the modeling terminal to register the business logic to the service engine when the test of the business logic is completed.

Abstract: A system is provided for managing a mobile vehicle. The system may include: a first terminal that is located in the mobile vehicle and communicates with an external server by being connected to a communication network, and a second terminal that is located in the mobile vehicle and connected to the communication network through the first terminal. At least one of the first terminal and the second terminal is connected to at least one of a meter, a card reader, and a global positioning system (GPS) receiver, which are located in the mobile vehicle, through a connecting device. The first and second terminals may receive power from a power supply device.

Abstract: A method performed by an apparatus for providing nursing service is provided. The method includes: receiving result information about nursing service provided to a patient from a first medical care provider terminal, extracting rule information that is pre-set with respect to the nursing service, determining whether the result information corresponds to the rule information, and transmitting the result information to a second medical care provider terminal if the result information corresponds to the rule information.

Abstract: A method is provided of paying a fare of a mobile vehicle by using a first terminal and a second terminal. The method may include receiving, by the second terminal, fare data of the mobile vehicle, obtained from a meter based on fare calculation data that includes at least one of moving distance data and moving time data of the mobile vehicle, and transmitting the received fare data to the first terminal. The method may also include transmitting, by the first terminal, the fare data to the second terminal, and receiving, by the second terminal, card information of a passenger from a card reader, transmitting the card information to a card server connected to the second terminal through a predetermined communication network, and receiving a payment authorization of a fare of the mobile vehicle from the card server.

Abstract: A database apparatus may include a database unit configured to store first and second data groups being classified based on a data attribute, a first caching unit associated with the first data group and including a first cache architecture and a second caching unit associated with the second data group and including a second cache architecture.

Abstract: Disclosed herein are a financial device and a method for controlling the same. The financial device includes: a multi-media storage module including a first storage part having a first stacking space in which media are stacked and a second storage part disposed under the first storage part and having a second stacking space in which media are stacked, in which the multi-media storage module has the first stacking space and the second stacking space provided at different sizes.

Abstract: Provided is a performance testing method, a system and a storage medium for the same. The method may include determining test object metadata that defines a protocol for a test object and test job metadata that defines a performance test using a prescribed job, generating job data based on the test job metadata, generating load data according to the prescribed job to provide the load data to at least one test performing node among a plurality of test performing nodes coupled to the test object, and causing the at least one test performing node to perform the performance test for the test object.

Abstract: Provided is a management system for a big data processing device that includes a system management master node and at least one system management agent node communicatively coupled to the system management master node over a network. A first request-based communication path may be provided for transmitting data from a system management agent node to the system management master node and a second response-based communication path is provided for transmitting data from the system management master node to the system management agent node. The system management agent node may be configured to detect whether an instruction is included in a response received over the second communication path.