Abstract: Provided is a method of providing a function of managing a VIP message. The method includes transmitting and receiving messages from a plurality of clients; setting at least one of the plurality of clients to a specific person; extracting messages transmitted by a specific person among the transmitted and received messages as VIP messages; combining the extracted VIP messages; and providing the combined VIP messages through a combined chat room.

Abstract: A method to load balance via a load balancing node in a virtual network environment, the method including: receiving a request packet from a client through a router; selecting, via a load balancer of the load balancing node, a backend virtual machine server to receive the received request packet; generating, via a virtual switch of the load balancing node, a packet for virtual networking by overlaying information for transmitting the received request packet to the selected backend virtual machine server through a virtual network to the received request packet; and transmitting the generated packet for virtual networking to a hypervisor node including the selected backend virtual machine server.

Abstract: A method for wirelessly connecting devices performed in a wireless connection system implemented with a computer includes: providing a list of devices capable of remote access with a user account of a user; connecting devices based on the list of devices capable of remote access; automatically updating a list of folders in the connected devices and a list of files included in the folders; and integrally managing files included in the connected devices.

Abstract: A mobile device comprises a display panel configured to display a plurality of graphic user interfaces including one or more first type graphic user interfaces and/or one or more second type graphic user interfaces; one or more sensors configured to detect a position of a user; and one or more processors configured to: calculate a relative inclination of the display panel with respect to the position of the user based on the position of the user detected by the sensor, and change sizes of the first type graphic user interfaces among the plurality of graphic user interfaces based on the relative inclination of the display panel. The first type graphic user interfaces are pre-designated among the plurality of graphic user interfaces and stored in memory, and the processors are configured to magnify the sizes of the first type graphic user interfaces according to the relative inclination of the display panel.

Abstract: An air handling system includes an indirect heat exchange apparatus performing heat exchange between external and internal air heat exchange passages; an external air circulation facility connected to the external air heat exchange passage and circulating an external air in an external space other than a target space through the external air heat exchange passage; an internal air circulation facility connected between the target space and the internal air heat exchange passage; the internal air circulation facility circulating an internal air in the target space through the internal air heat exchange passage; external and internal air temperature sensors disposed in the external and internal air circulation facilities to measure temperatures of the external and internal air; and a control apparatus controlling circulation of the external air within the external air circulation facility based on the temperatures of the external and internal air.

Abstract: Provided are a method, system, and computer-readable medium for a payment service using a card of an integrated function. A payment service method may include registering a representative card that represents payment tools of a user, the representative card being an electronic card configured to be activated through an application installed in a terminal of the user; activating a payment function of the representative card through the application, the application being associated with a payment service installed in the terminal of the user; setting at least one specific payment tool to be represented by the representative card among the payment tools; and processing a payment using the specific payment tool set in the representative card, in response to a payment request using the representative card.

Abstract: A method and system for providing a cooking support service. A computer-implemented method may include receiving a selection on a specific recipe from a user of an electronic device among recipes registered on a platform; and providing specifications information about each piece of cookware included in the specific recipe.

Abstract: Provided is a system and method for creating and providing a mosaic image based on an image tag-word by a mosaic service providing server, which includes: determining each tag-word for each image and classifying a plurality of images according to the determined tag-word; determining a target image among the plurality of images; providing a pixel image selection interface for selecting a pixel image for mosaicizing the determined target image based on the tag-words of the plurality of images; and creating a mosaic image for the target image based on the pixel image selected through the pixel image selection interface.

Abstract: A resource operating method for each of plurality of nodes communicating through a network includes: receiving a problem through a mining program, and performing a proof-of-work process to solve the received problem; generating a transaction and transmitting the generated transaction to the plurality of nodes; receiving a transaction and a block hash value from the plurality of nodes; stopping the proof-of-work process; verifying validity of the generated or received transaction using the block hash value, and creating, in response to the transaction being verified, a block including information of the verified transaction; receiving a reward corresponding to the performed proof-of-work process through the mining program; and connecting the block to a blockchain.

Abstract: A transmitter for wireless charging power transmission comprises a transmitter-side power converting unit converting power of an input Alternating Current (AC) signal and outputting the converted AC signal; a transmitter-side resonant circuit unit generating a magnetic field based on the converted AC signal and providing power to a receiver located within a charging area; and a transmitter-side processor controlling power conversion of the transmitter-side power converting unit and performing impedance matching of the transmitter-side resonant circuit unit.

Abstract: A mobile communication terminal includes an image capturing device obtaining image contents, an image content storage device storing the image contents obtained by the image capturing device, a display device including a touch panel through which a user input is received, and displaying the image contents, and an image contents viewer controller. The image contents viewer controller is configured to generate and display a first image content viewer interface listing thumbnails and/or information of the image contents based on an acquisition time of each of the image contents, receive an interface switching user touch gesture input from an user on the first image content viewer interface, and in response to the interface switching user touch gesture, switch the first image content viewer interface to a period-specific image content viewer interface in which the plurality of image contents are grouped and provided according to a grouping period.

Abstract: A method for constructing a sub-blockchain in a blockchain system comprising a distributed network of nodes comprises generating and propagating, by one of the nodes, a candidate sub-block comprised in a sub-blockchain to be connected to one of main blocks included in a main blockchain; validating the candidate sub-block and storing and propagating the validated candidate sub-block by one of the nodes; validating a content block received from a node which generated the candidate sub-block corresponding to content queried by a user and storing and propagating an end block connected to the content block by one of the nodes; and if the number of the same end blocks received from other nodes is larger than a preconfigured value, generating an approved sub-block, and propagating the approved sub-block by one of the nodes while updating the approved sub-block to a local copy of a blockchain.

Abstract: A mobile cloud system includes a plurality of mobile terminals having at least one functional module and a communicator; a cloud server to receive the information acquired from the at least one functional modules, the cloud server including a read-only file system to provide services applied to all of the plurality of connected mobile terminals, a read/write file system to provide independent services applies to each of the plurality of connected mobile terminals, and a controller to control operations of the both file systems; and a wireless communication network to provide a network between the plurality of mobile terminals and the cloud server.

Abstract: A computer device forms a scope controller for a cloud network, including: memory configured to store a computer-readable instruction; and at least one processor configured to execute the instruction, wherein the cloud network may include: hypervisors classified as a plurality of scopes including a first scope; and virtual machines generated by the hypervisors, wherein the at least one processor is configured to: switch, using a virtual switch of the scope controller, a packet communicated between virtual machines generated by hypervisors classified as the first scope, and a packet received from an outside of the first scope, and route, using a virtual router of the scope controller, a packet communicated between the scope controller and a router for connecting to an outside of the cloud network, and a packet communicated between the scope controller and a different scope controller assigned to a different scope other than the first scope.

Abstract: A method may achieve an agreement among a plurality of nodes executed by one or a plurality of processors of a blockchain system including a distributed network of the plurality of nodes. The method may comprise: receiving a candidate block in a N-th round (N is a positive integer) by an arbitrary node among the plurality of nodes able to be promoted to producer nodes having a block generation status at a predetermined time for each round, determining whether the received candidate block is a valid candidate block, determining whether the valid candidate block is an unapproved block, and determining whether to vote for approval of the unapproved block by determining whether the unapproved block is a first received candidate block which is a first received candidate block within the N-th round by the arbitrary node.

Abstract: A system of controlling an autonomous driving vehicle may include one or more processors; and memory storing executable instructions that, if executed by the one or more processors, configure the one or more processors to: execute a tutorial for recognizing a driving pattern of a driver, obtaining training data when the tutorial performs training of the driver, storing information associated with the driving pattern of the driver based on the obtained training data, and controlling autonomous driving of the autonomous driving vehicle based on the information associated with the driving pattern of the driver.

Abstract: A network server includes a webpage provider, a user monitor, and a content selector. The webpage provider is configured to provide to a user terminal a webpage including a first region and a second region arranged in a first direction in response to a request from the user terminal. The first region includes pieces of first content arranged in a second direction crossing the first direction, and the second region includes pieces of second content arranged in the second direction. The user monitor is configured to detect an action of the user terminal for the pieces of first content. The content selector is configured to search for pieces of third content related to the content for which the action of the user terminal is detected among the pieces of first content in a database, and to include the pieces of third content in the second region.

Abstract: A method of providing an image search result online using device information including: receiving an input of a search query; identifying first device information of a device from the search query; indexing an image that matches the first device information by comparing the first device information to second device information included in metadata of the image; and providing the indexed image that matches the first device information as a search result of the search query.

Abstract: A method to process load balancing via a hypervisor node in a virtual network environment includes: generating one or more backend virtual machine servers and a virtual switch responding to the one or more backend virtual machine servers, the virtual switch including a loopback interface; receiving, from a load balancing node via a virtual network, a request packet of a client received at the load balancing node through a router, the load balancing node including an L4 direct server return (DSR) load balancer; generating a response packet by processing the request packet through a backend virtual machine server selected by the L4 DSR load balancer among the one or more backend virtual machine servers, the request packet including an address of the client; and transmitting, according to the loopback interface, the generated response packet to the router of a real network based on the address of the client.

Abstract: A deep learning-based virtual hair dyeing method is performed by an image editing server including a deep learning neural network and generative adversarial networks (GANs). The method comprises obtaining an original image and a desired hair color; generating a semantic map by providing the original image to the deep learning neural network; generating a trimap automatically with respect to the original image based on the semantic map; generating an alpha mask by performing alpha matting on the original image based on the trimap; obtaining a transformed image by applying the original image to the GANs; and obtaining a virtual dyeing image by synthesizing the original image and the obtained transformed image through the alpha mask.