Abstract: Disclosed herein are a server and method for providing collaboration service, and a sociality management server. The server includes a service provision unit and a space construction unit. The service provision unit sets up collaboration service corresponding to the results of combining functions of at least two collaboration terminals based on sociality values corresponding to the at least two collaboration terminals. The space construction unit constructs a service provision device space via which the collaboration service is to be provided. The service provision unit provides the collaboration service to the at least two collaboration terminals via the service provision device space.

Abstract: An apparatus and a method for converting an upstream radio frequency (RF) signal to a digital signal and transmitting the digital signal via an Internet protocol (IP) packet based on an optical network in a cable broadcasting network is provided. The apparatus for transmitting an upstream RF signal includes a detector configured to detect an upstream RF signal, and a transmitter configured to digitize the detected upstream RF signal and transmit the digitized RF signal to a headend via an IP packet.

Abstract: Disclosed herein is a system and method that analyze a plurality of types of interactions between devices and between users, predict intimacies therebetween, find small groups within a certain group based on the intimacies, and then detect outcasts. The system for detecting a small group and an outcast includes a data collection unit for collecting data based on interactions between objects. A data analysis unit analyzes the data. An intimacy prediction unit calculates intimacies between objects based on the analyzed data. A small group configuration unit detects one or more small groups from a certain group, based on the calculated intimacies. An outcast detection unit detects an outcast, based on presence or absence of each object in the one or more small groups and the intimacies.

Abstract: Disclosed herein is an apparatus and method for recognizing a nearby device, which measure distances between devices and calculate intimacies between the devices, thus notifying a user of the distances to and intimacies with nearby devices. The apparatus includes a distance determination module unit for determining distances to a plurality of nearby devices based on signals for distance determination, received from the respective nearby devices. A zone determination module unit determines zones to which the respective nearby devices belong, among multiple zones, depending on the distances to the respective nearby devices. A nearby device recognition module unit recognizes the nearby devices using received information of the nearby devices. An intimacy determination module unit determines intimacies with the nearby devices, based on previously stored information required for intimacy determination. A user interface unit displays results of distance determination and intimacy determination to a user.

Abstract: A broadcasting transmitting apparatus configures one broadcasting channel as at least two video streams, generates a program map table (PMT) representing configuration information of a stream included within the broadcasting channel, sets a program type provided through the corresponding broadcasting channel within the PMT, multiplexes the at least two video streams and signaling information, and transmits the multiplexed two video streams and signaling information through a broadcasting network.

Abstract: Provided is a channel switching method and channel reception method to enhance spectrum use efficiency and a channel switching apparatus and channel reception apparatus using the same. The channel switching method may include extracting, based on received information associated with a virtual channel currently viewed by a user, broadcasting data on a corresponding virtual channel in a physical channel, determining communication data to be added to an idle frequency band in the physical channel including the extracted broadcasting data, and transmitting a transmission data stream generated based on communication data and broadcasting data included in the physical channel, wherein the physical channel comprises broadcasting data on a plurality of virtual channels and uses a predetermined frequency band.

Abstract: A method for transmitting a multi-view program composed of a plurality of video streams in a digital broadcasting system includes generating information representing that the program is a multi-view program, information on a composition of the multi-view program and information on the plurality of physical channels through which the multi-view program is transmitted; and transmitting the multi-view program and the generated information through the plurality of physical channels.

Abstract: A demultiplexing apparatus, a multiplexing apparatus, and a multi-channel transmission and reception method using the same are provided. The demultiplexing apparatus includes a broadcasting data reception unit for separating a broadcasting data stream into N input packets, an output packet generation unit for generating (N+1) output packets by connecting a pre-header, including a field for multi-channel transmission, with each of the N input packets, and a packet distribution unit for distributing the (N+1) output packets over at least two channels.

Abstract: Disclosed herein is an apparatus and method that enable data sharing to be performed between short-range/middle-range/long-range mobile terminals by minimizing specific intervention of a user. The apparatus includes a social relationship management unit for managing social network group information formed by a user while the user utilizes a social network service. A device recognition and authentication unit identifies a mobile terminal of another party attempting to make a connection and allocates a data communication channel for data exchange, based on device information received from the mobile terminal of the other party attempting to make a connection and the social network group information. A shared data setting unit sets data to be shared with the mobile terminal of the other party between which the data communication channel has been established. A shared data transmission unit transmits the data to be shared to the mobile terminal of the other party.

Abstract: A method and apparatus for providing a mobile broadcasting service over a cable broadcasting network are provided. A mobile broadcast signal and a cable broadcast signal are transmitted over the cable broadcast network. The cable broadcast signal and the mobile broadcast signal are filtered to pass the mobile broadcast signal, and the passed mobile broadcast signal is sent to a mobile broadcast terminal.

Abstract: Disclosed are a smart learning system using a device social relation and a method thereof. The smart learning system includes a first device that generates a device social relation and shares learning content, and at least one second device that executes an event related to the learning content by acquiring the shared learning content when is included in the device social relation.

Abstract: An apparatus for controlling load allocation in a cluster system includes a cluster module having a plurality of target nodes and a cluster power management module. The cluster power management module analyzes resource usage of the target nodes by monitoring the load states of the target nodes. The cluster power management module adaptively allocates loads to the target nodes based on the analyzed resource usage and N allocation thresholds settled in response to an increase of the analyzed resource usage. The cluster power management module controls the target nodes so that the power state can be changed with the adaptively allocated loads.

Abstract: A broadcasting transmitting apparatus splits a piece of broadcast content into an audio signal and a video signal, encodes the audio signal to generate an audio bit string, encodes the video signal to generate a video bit string, multiplexes the audio bit string and the video bit string, and modulates the multiplexed bit strings into a symbol. The encoded audio bit string is allocated to some bits of the symbol, and the encoded audio bit string is allocated to the remaining bits of the symbol.

Abstract: A broadcasting transmitting apparatus configures one broadcasting channel as at least two video streams, generates a program map table (PMT) representing configuration information of a stream included within the broadcasting channel, sets a program type provided through the corresponding broadcasting channel within the PMT, multiplexes the at least two video streams and signaling information, and transmits the multiplexed two video streams and signaling information through a broadcasting network.

Abstract: Disclosed are a combining method of smart devices and an apparatus thereof. More specifically the combining method of resources of the smart devices and the apparatus thereof are disclosed. The smart device includes a storage unit configured to store identity information of a counterpart device, a sensing unit configured to sense approach by the counterpart device, a control unit configured to determine whether the counterpart device sensed by the sensing unit corresponds to the identity information stored in the storage unit, and a combining processing unit configured to combine a resource of the counterpart device if the counterpart device is determined by the control unit to correspond to the identity information.

Abstract: Provided is a data sharing apparatus and method for sharing data between a terminal possessed by a user and another terminal using social relations. The data sharing apparatus includes a social relation information acquisition unit that accesses a social network service (SNS) server for providing an SNS to acquire social relation information of a user, a social relation information storage unit that stores the acquired social relation information, and a data sharing control unit that controls data sharing between a user terminal possessed by the user and a target terminal based on the stored social relation information.

Abstract: A projection-type display device having an improved structure to effectively cool an optical engine to generate light having image information and project the same onto a screen, and a driving circuit to drive the optical engine are provided. The display device includes a screen on which an image is formed, a stand to support the screen, an optical engine accommodated in the stand, the optical engine generating light having image information and projecting the light onto the screen, a first heat-radiating plate connected to a rear surface of the screen, and a driving circuit connected to a rear surface of the first heat-radiating plate, the driving circuit driving the optical engine.

Abstract: Disclosed are an OFDM transmission method and apparatus. In the present invention, channel bonding information includes at least one of information indicating whether or not a channel through which the transport frame is transmitted is a bonded channel, information indicating how many channels form the bonded channel, and information about a transmission frequency of each of the bonded channels.

Abstract: A method and apparatus for transmitting and receiving Ultra High Definition (UHD) broadcasting service in a digital broadcasting system are provided. The method includes receiving a TS through a transport channel, determining whether or not the TS includes information about an association relation with other TSs, analyzing the information about the association relation from the TS, determining whether or not the TS includes information about a program provided in association with the other TSs based on the information about the association relation, extracting the information about the program from the TS, and obtaining the program based on the information about the program. In accordance with the present invention, high definition broadcasting service can be provided because a broadcasting program having a great transmission bandwidth can be transmitted and received in a digital broadcasting system.

Abstract: Disclosed herein is an apparatus and method that enable data sharing to be performed between short-range/middle-range/long-range mobile terminals by minimizing specific intervention of a user. The apparatus includes a social relationship management unit for managing social network group information formed by a user while the user utilizes a social network service. A device recognition and authentication unit identifies a mobile terminal of another party attempting to make a connection and allocates a data communication channel for data exchange, based on device information received from the mobile terminal of the other party attempting to make a connection and the social network group information. A shared data setting unit sets data to be shared with the mobile terminal of the other party between which the data communication channel has been established. A shared data transmission unit transmits the data to be shared to the mobile terminal of the other party.