Abstract: Generating a response to a natural language-based query includes extracting a subject keyword, an object keyword and a query type of a natural language from the natural language; generating a query knowledge graph including the subject keyword, the object keyword and the query type; searching a plurality of query knowledge graphs including the subject keyword; deriving information relevant to the object keyword from map data based on the subject keyword of each of the plurality of searched query knowledge graphs; and providing a query result for the natural language based on the derived information and the query type.

Abstract: An artificial intelligence voice interactive system may provide various services to a user in response to a voice command. The system may perform at least one of: receiving user speech from a user; transmitting the received user speech to the central server; receiving at least one of control signals and audio and video answers, which are generated based on an analysis and interpretation result of the user speech, from at least one of the central server, the internal service servers, and the external service servers; and outputting the received audio and video answers through at least one of speakers and a display coupled to the user interactive device and controlling at least one device according to the control signals.

Abstract: Panoramic view customization may include dividing a panoramic video frame into multiple blocks, encoding the multiple blocks, generating and storing synchronization information and location information corresponding to the multiple blocks, receiving, from a device, information that identifies a viewing area of interest in the panoramic video frame, identifying at least two of the blocks that include at least some of the information that identify the viewing area of interest, combining the identified blocks to frame a first video; and transmitting the first framed video to the device.

Abstract: The disclosure is related to a personalized user interface having at least one moving image produced based on a multimedia stream received in real time from a preferred streaming server. A service server for providing the personalized user interface may perform receiving multimedia streams transmitted in real time from preferred streaming servers selected based on user interface configuration information, obtaining personalized items based on the user interface configuration information, producing a single multimedia stream for the personalized user interface by combining the received multimedia streams and the obtained personalized items, and transmitting the produced single multimedia stream to the user device.

Abstract: An artificial intelligence voice interactive system may provide various services to a user in response to a voice command.

Abstract: A method performed by a cloud service providing apparatus includes receiving a request for execution of an application from a user device, executing the application in response to the request, encoding application execution data generated by the execution of the application into image data and transmitting the encoded image data to the user device, wherein the encoded image data is configured to be displayed on a screen of the user device.

Abstract: In at least one example embodiment, a system may include a television device configured to: transmit a request to execute an application; and a server configured to: execute the application that uses at least one function of the television device to generate an image; transmit the generated image to the television device; and transmit a request to execute the at least one function of the television device, and wherein the television device is further configured to: execute the requested function of the television device and transmit a result of the execution to the server.

Abstract: Panoramic view customization may include dividing a panoramic video frame into multiple blocks, encoding the multiple blocks, generating and storing synchronization information and location information corresponding to the multiple blocks, receiving, from a device, information that identifies a viewing area of interest in the panoramic video frame, identifying at least two of the blocks that include at least some of the information that identify the viewing area of interest, combining the identified blocks to frame a first video; and transmitting the first framed video to the device.

Abstract: In one example embodiment, a system includes an internet protocol television server configured to transmit a first-internet protocol multicast stream of internet protocol television content; a wireless router configured to: receive, from the internet protocol television server, the first-internet protocol multicast stream, convert the first-internet protocol multicast stream into a second-internet protocol unicast stream, and transmit the second-internet protocol unicast stream via a wireless network; and an end device configured to: transmit a request for the internet protocol television content to the wireless router, and receive the second-internet protocol unicast stream from the wireless router.

Abstract: A cloud game service providing apparatus includes an input reception unit configured to receive an input signal from a device from among at least one user device; a game execution unit configured to execute a cloud game in response to the received input signal; and a virtual graphic processing unit configured to encode a frame of the executed cloud game by using a virtual graphic resource, and to provide the encoded frame of the executed cloud game to the user device.

Abstract: An apparatus and method for providing a game service in cloud computing environment. A method may be provided for providing a streaming game service using a plurality of cloud computing servers. The method may include receiving user inputs from at least one user equipments, executing and progressing at least one game program in response to the user inputs, capturing audio and video data as progress results of the executed at least one game program, and streaming the captured audio and video data to a respective user equipment.

Abstract: The disclosure is related to combining a plurality of video streams, and to providing a variety of video advertisements using a video stream combination procedure. Particularly, the video stream combination procedure according to the present embodiment may include extracting a plurality of encoded video data included in a plurality of video streams, and creating a single combined video stream by considering each extracted encoded video data as slice group data. Furthermore, an advertisement stream may be included in the single combined video stream, by using such video stream combination procedure.

Abstract: The disclosure is related to providing a dynamic multi-channel guide service based on broadcast ratings. Particularly, a multi-channel guide stream corresponding to a single combined video stream may be formed using a plurality of encoded video data extracted from a plurality of broadcast channel streams, according to multi-channel guide configuration information. Herein, the multi-channel guide configuration information may be determined based on the broadcast ratings.

Abstract: The disclosure is related to a personalized user interface having at least one moving image produced based on a multimedia stream received in real time from a preferred streaming server. A service server for providing the personalized user interface may perform receiving multimedia streams transmitted in real time from preferred streaming servers selected based on user interface configuration information, obtaining personalized items based on the user interface configuration information, producing a single multimedia stream for the personalized user interface by combining the received multimedia streams and the obtained personalized items, and transmitting the produced single multimedia stream to the user device.

Abstract: In at least one example embodiment, a system may include a television device configured to: transmit a request to execute an application; and a server configured to: execute the application that uses at least one function of the television device to generate an image; transmit the generated image to the television device; and transmit a request to execute the at least one function of the television device, and wherein the television device is further configured to: execute the requested function of the television device and transmit a result of the execution to the server.

Abstract: In at least one example embodiment, a method may include generating, regarding a rendered HTML page, an output image having a plurality of macroblocks; classifying each of the plurality of macroblocks into one of a variable macroblock and an invariable macroblock; generating an encoding map regarding the output image based at least in part on the result of the classifying; and encoding the output image based at least in part on the encoding map.

Abstract: In one example embodiment, a mobile device includes a data receiving unit configured to receive metadata regarding television content that is played by a television device; an icon displaying unit configured to: display a plurality of icons that are associated with the television content based at least in part on the metadata, and receive a touch input via at least one icon from among the plurality of icons; and a signal generating unit configured to generate a control signal regarding an operation of the television device based at least in part on the received touch input.

Abstract: In at least one example embodiment, in connection with a device having a user interface (UI), a method may include transmitting a request for VOD (video on demand) content to a content provider; receiving, from the content provider, a UI stream and the requested VOD content, the UI stream including a VOD header and a plurality of UI videos corresponding to the VOD content; playing a first UI video from among the plurality of UI videos; receiving a first user input; selecting a second UI video from among the plurality of UI videos based at least in part on the first user input; and playing the second UI video.

Abstract: In one example embodiment, a system includes an internet protocol television server configured to transmit a first-internet protocol multicast stream of internet protocol television content; a wireless router configured to: receive, from the internet protocol television server, the first-internet protocol multicast stream, convert the first-internet protocol multicast stream into a second-internet protocol unicast stream, and transmit the second-internet protocol unicast stream via a wireless network; and an end device configured to: transmit a request for the internet protocol television content to the wireless router, and receive the second-internet protocol unicast stream from the wireless router.

Abstract: In one example embodiment, a server includes a data receiving unit configured to receive metadata regarding television content; a data mapping unit configured to generate mapping information to associate web content with the television content based at least in part on the metadata; and an information transmitting unit configured to transmit the mapping information to an end device.