Abstract: An apparatus for displaying images, a driving method thereof, a method for processing information related to cloud infrastructure, a method for setting correlation between cloud infrastructure resources, and a computer-readable recording medium are provided. An image displaying apparatus includes a user interface configured to receive from a user topology information to build an infrastructure required for a cloud service on a resource which is composed or part of the infrastructure, an infrastructure organization determination unit configured to, using a correlation among resources which compose a preset infrastructure, determine whether the received topology information is suitable for the correlation, and a communication interface configured to transmit the information to a cloud service providing apparatus to build the infrastructure using topology information determined according to the result of determination.

Abstract: Provided are a network node and a method of performing discovery, which may stably perform discovery without delay or crash of a network at the time of initial discovery in a large-scale network. The network node operated in a distributed network includes a discovery performing unit that determines a discovery back-off time that is a transmission wait time of a discovery message based on levels of priority of the network node, and a communication unit that transmits the discovery message using the discovery back-off time.

Abstract: A content providing apparatus, a content providing method, an image forming displaying apparatus, and a computer-readable recording medium are provided. A content providing apparatus includes a communication interface configured to receive viewer reaction information related to a program from an image displaying apparatus, a highlight information generator configured to measure a level of viewer reaction by analyzing the received viewer reaction information, and generates highlight information by detecting highlights based on the measured level of viewer reaction, wherein the generated highlight information is stored, and the image displaying apparatus is provided with the stored highlight information.

Abstract: Provided are a network node and a method of performing discovery, which may stably perform discovery without delay or crash of a network at the time of initial discovery in a large-scale network. The network node operated in a distributed network includes a discovery performing unit that determines a discovery back-off time that is a transmission wait time of a discovery message based on levels of priority of the network node, and a communication unit that transmits the discovery message using the discovery back-off time.

Abstract: A method for authenticating a mobile device and a display apparatus using the same, and a mobile device authentication system are provided. In the method for authenticating the mobile device by the display apparatus, the display apparatus generates a code image in which information on the display apparatus is encrypted if the mobile device is sensed, displays the code image on a screen, receives information on the mobile device which is transmitted using the code image and authenticates the mobile device using the information on the mobile device. Accordingly, the user controls the display apparatus using the mobile device easily and intuitively.