Abstract: A home server of a home network system is provided. The home server includes a communication interface configured to communicate with a plurality of devices, included in the home network system, and a server of an internet network; and a controller configured to extract a conditional sentence from a webpage of the server, the conditional sentence including a condition and an action, and configured to generate a rule for controlling at least one of the plurality of devices to perform the action of the conditional sentence in response to the condition of the conditional sentence being satisfied.

Abstract: Provided are method and apparatus for searching for a second device relaying at least one IPTV service included in the same residential network as a first device, wherein the searching is performed by the first device, and receiving the IPTV service provided from outside of the residential network through a found second device.

Abstract: A home server of a home network system is provided. The home server includes a communication interface configured to communicate with a plurality of devices, included in the home network system, and a server of an internet network; and a controller configured to extract a conditional sentence from a webpage of the server, the conditional sentence including a condition and an action, and configured to generate a rule for controlling at least one of the plurality of devices to perform the action of the conditional sentence in response to the condition of the conditional sentence being satisfied.

Abstract: A method and apparatus for providing contents-sharing services are provided. The method for providing contents-sharing services includes: receiving a contents-sharing request message for a contents sharer from a first contents reproducing apparatus of a contents sharing requester; transmitting a contents-sharing notify message generated using the received contents-sharing request message to a second contents reproducing apparatus of the contents sharer; and transmitting the received contents-sharing request message to a streaming server, wherein the transmitted contents-sharing request message requests the streaming server to transmit contents to the second contents reproducing apparatus of the contents sharer.

Abstract: A method and apparatus for receiving an application for providing an Internet protocol television (IPTV) communication service. The method includes: acquiring IP address information for initiating an IPTV service provider discovery at an entry point for searching for a service provider; receiving information regarding an IPTV service provider from an IPTV service provider discovery entity apparatus by using the IP address information; and acquiring information regarding the application for providing the IPTV communication service based on the information regarding the IPTV service provider.

Abstract: Provided are a method and apparatus by which a first entity receives information about one or more Internet Protocol Television (IPTV) service providers or information about one or more IPTV services from a second entity by using a Session Initiation Protocol (SIP) message.

Abstract: Provided are a method and an apparatus for a client, connected to a broadcasting network and an Internet network, to receive data for executing an application through the broadcasting network or the Internet network, according to information about the application received through the broadcasting network. The method includes: receiving information about the application from at least one of the through the broadcasting network; and receiving data for executing the application from at least one of the broadcasting network and the Internet network based on the received information about the application.

Abstract: Provided are a method and apparatus for notifying a specific device, which requests a service, of an event if the event relating to the service occurs in a home network. An event notification message that is multicasted in the home network includes a device ID that requests a service relating to an event, and devices discard the event notification message when the device ID included in the event notification message is not identical to IDs of the devices, thereby preventing all devices that are not related to the service from being notified of the event relating to the service.

Abstract: A method and apparatus for controlling content recording for a buddy of a management server are provided. The method includes: receiving a recording request message for the buddy according to an external input; determining whether a local recording apparatus of the buddy is in a recording state; and selectively sending a recording start message to a recording apparatus on a network, different from the local recording apparatus of the buddy, according to a result of the determining.

Abstract: A method and apparatus for controlling content recording for a buddy of a management server are provided. The method includes: receiving a recording request message for the buddy according to an external input; determining whether a local recording apparatus of the buddy is in a recording state; and selectively sending a recording start message to a recording apparatus on a network, different from the local recording apparatus of the buddy, according to a result of the determining.

Abstract: Provided are a method and apparatus for notifying a specific device, which requests a service, of an event if the event relating to the service occurs in a home network. An event notification message that is multicasted in the home network includes a device ID that requests a service relating to an event, and devices discard the event notification message when the device ID included in the event notification message is not identical to IDs of the devices, thereby preventing all devices that are not related to the service from being notified of the event relating to the service.

Abstract: A user terminal device, an information providing system, and a method of providing information thereof are provided. The method for providing information in a user terminal device includes registering contact information in an address list according to a user's input, transmitting an event of registering the contact information to an external server, in response to profile information which corresponds to the contact information being received from the server, storing contact information registered in the address list and the profile information in association with each other, and in response to a display item which corresponds to the contact information being selected while the address list is displayed, displaying the profile information.

Abstract: Disclosed are an information storage medium storing metadata for providing additional content during a broadcast program, the metadata including information indicating whether to insert second additional content instead of first additional content, which is underlying additional content of the broadcast program, and a locator of the second additional content, a method of providing additional content by using the same, and a digital broadcast reception apparatus.

Abstract: Provided are a method and apparatus by which a first entity receives information about one or more Internet Protocol Television (IPTV) service providers or information about one or more IPTV services from a second entity by using a Session Initiation Protocol (SIP) message.

Abstract: Provided are a method and apparatus by which a first entity receives information about one or more Internet Protocol Television (IPTV) service providers or information about one or more IPTV services from a second entity by using a Session Initiation Protocol (SIP) message.

Abstract: A method and apparatus for providing contents-sharing services are provided. The method for providing contents-sharing services includes: receiving a contents-sharing request message for a contents sharer from a first contents reproducing apparatus of a contents sharing requester; transmitting a contents-sharing notify message generated using the received contents-sharing request message to a second contents reproducing apparatus of the contents sharer; and transmitting the received contents-sharing request message to a streaming server, wherein the transmitted contents-sharing request message requests the streaming server to transmit contents to the second contents reproducing apparatus of the contents sharer.

Abstract: A method and apparatus for providing contents-sharing services are provided. The method for providing contents-sharing services includes: receiving a contents-sharing request message for a contents sharer from a first contents reproducing apparatus of a contents sharing requester; transmitting a contents-sharing notify message generated using the received contents-sharing request message to a second contents reproducing apparatus of the contents sharer; and transmitting the received contents-sharing request message to a streaming server, wherein the transmitted contents-sharing request message requests the streaming server to transmit contents to the second contents reproducing apparatus of the contents sharer.

Abstract: Provided are a method and apparatus for limiting a content usage authority scope of a client by using metadata in an Internet Protocol Television (IPTV) service. The method performed by a metadata server adds control information to the metadata and transmits the metadata, wherein the content usage authority scope of the client is defined in the control information. The client of a user limits a content control operation according to a user input by using the control information extracted from the metadata.

Abstract: Provided are a method and apparatus for providing and using content advisory (CA) information on Internet contents. A method of providing CA information by using a CA information server, includes receiving a request for the CA information on a content, from an Internet Protocol television (IPTV); searching for CA information on the content; and transmitting the found CA information to the IPTV. A method of using CA information when an IPTV reproduces a content not having the CA information, according to the present invention, includes transmitting a request for CA information, to a CA information server; receiving the CA information from the CA information server; analyzing the CA information; and applying the CA information.

Abstract: Provided are a method and apparatus for providing and using content advisory (CA) information on Internet contents. A method of providing CA information by using a CA information server, includes receiving a request for the CA information on a content, from an Internet Protocol television (IPTV); searching for CA information on the content; and transmitting the found CA information to the IPTV. A method of using CA information when an IPTV reproduces a content not having the CA information, according to the present invention, includes transmitting a request for CA information, to a CA information server; receiving the CA information from the CA information server; analyzing the CA information; and applying the CA information.