Abstract: Provided are a method of communicating content in a mobile ad-hoc network and a communication node included in a mobile ad-hoc network, the method and communication node intended to efficiently perform communication based on information centric networking (ICN) in a mobile ad-hoc network and reduce the waste of energy resulting from frequent reconfiguration of communication caused by the mobility of a terminal. The method includes receiving an interest packet or a response packet for content; determining a next node to which the received packet will be relayed based on a forwarding information base (FIB) or a pending interest table (PIT), and relaying the packet using a unicast scheme; and when the relay of the packet to the next node fails, restoring a routing path by storing the packet in a relay candidate buffer and broadcasting the packet.

Abstract: A bypassing apparatus for providing content, the apparatus including: a processor configured to determine whether content for which a service request has been received is acceptable in a service platform terminal based on service platform profile information about the content for which a service request has been received; a content collector configured to collect, from a content provider, the content for which a service request has been received; and a content converter configured to convert the collected content into a form that is acceptable in the service platform terminal, in which the bypassing apparatus for providing content may further includes a profile manager configured to store the service platform profile information and in response to a request of the processor, to transmit, to the processor, service platform profile information about the content for which a service request has been received.

Abstract: The present invention relates to an apparatus and a method for providing a virtual API for a web-application mashup service. The apparatus for providing a virtual API includes: a screen data obtaining unit configured to obtain a website screen by accessing a website based on website access information or obtain an application program execution result screen by executing an application program based on application program execution information; and a virtual API processing unit configured to capture an interested area from the website screen related to a virtual API called by a client or from the application program execution result screen and provide the captured predetermined area of interest to the client.

Abstract: A system for providing a virtual desktop infrastructure (VDI) service includes: a service provider configured to provide VDI service data to a client terminal; and a watermark inserter configured to insert a watermark into the VDI service data, in which the watermark comprises a watermark code for identifying a watermark and a terminal code for identifying a client terminal.

Abstract: In a method for providing content-related information based on a digital watermark and fingerprint, the method includes: receiving a request for content-related information from a client terminal; using a watermark and a fingerprint of content to retrieve the requested content-related information from a database; and transmitting the retrieved content-related information to the client terminal.

Abstract: A method for dynamically selecting multiple cameras to track a target object, the method including selecting a main camera from among multiple cameras; selecting a target object from an image captured by the main camera; projecting a captured location of the target object onto images to be captured by one or more sub cameras; and selecting sub cameras according to a pixel proportion that indicates a number of pixels which are included in a capture location of the target object in the images captured by the one or more sub cameras.

Abstract: A method of providing a service among heterogeneous services may include verifying whether a second web application associated with an external web service is installed in a user agent, when data of the external web service is requested from a first web application executed in the user agent, requesting key information to be used for accessing the requested data from a first server providing a web service associated with the first web application, when the second web application is installed in the user agent, receiving the key information from the first server, and accessing the requested data existing on the second web application, using the received key information, in the first web application.

Abstract: An apparatus and method for virtualizing multiple terminals are provided. The apparatus includes a terminal virtualizer configured to virtualize a group of a plurality of transmitter terminals of a first user and a group of receiver terminals of a second user through the change of source and destination addresses of a packet that is transmitted between the transmitter terminal group and the receiver terminal group so that the transmitter terminal group and the receiver terminal group may be recognized as if they were single terminals. Accordingly, it is possible to provide seamless IP connectivity regardless of which terminal is currently being used by a user.

Abstract: Disclosed are a multicast source registration method, a multicast receiver joining method and a multicast service providing method during handover, in which another mobile node may constantly receive multicast data even when a mobile node performs handover while transmitting multicast data in various mobile networks. According to the present invention, a safe and fast mobility of a network-based multicast source can be provided.

Abstract: An access point, a layer 2 switch, and multicast handover supporting method using the access point and the layer 2 switch are provided. According to the method of supporting multicast handover, when a mobile node is handed over from one cell to another while being provided with a multicast service in a wireless mobile communication network, the L2 switch performs multicast traffic routing in response to reception of MAC address information and multicast service source and group information from the access point. Hence, multicast traffic can be supported to be fast and seamlessly handed over within layer 2 network equipment.

Abstract: An apparatus and method for virtualizing multiple terminals are provided. The apparatus includes a terminal virtualizer configured to virtualize a group of a plurality of transmitter terminals of a first user and a group of receiver terminals of a second user through the change of source and destination addresses of a packet that is transmitted between the transmitter terminal group and the receiver terminal group so that the transmitter terminal group and the receiver terminal group may be recognized as if they were single terminals. Accordingly, it is possible to provide seamless IP connectivity regardless of which terminal is currently being used by a to user.

Abstract: An access point, a layer 2 switch, and multicast handover supporting method using the access point and the layer 2 switch are provided. According to the method of supporting multicast handover, when a mobile node is handed over from one cell to another while being provided with a multicast service in a wireless mobile communication network, the L2 switch performs multicast traffic routing in response to reception of MAC address information and multicast service source and group information from the access point. Hence, multicast traffic can be supported to be fast and seamlessly handed over within layer 2 network equipment.

Abstract: A method for providing a multicast service for an MN includes: transmitting, by an MN connected to a first access point within a first access network, multicast information of the MN to an agent of the first access network through the first access point, wherein the multicast information includes information on a multicast source and a multicast group; transmitting and receiving messages between agents according to a predetermined protocol based on the multicast information of the MN transmitted to the agent of the first access network, and setting a multicast path between the multicast source and the MN of the first access network between the agents; transmitting, by the agent of the first access network, the multicast information of the MN to the MICS; and registering, by the MICS, the multicast information of the MN transmitted from the agent of the first network.

Abstract: Provided is a method of preparing a cyclic olefin polymer by addition polymerization of a cyclic olefin monomer, the method including contacting a metal catalyst complex represented by Formula 1 below with a cyclic olefin monomer represented by Formula 2 below: [M(L1)x(L?2)y(L3)z]a[Ani]b ??<Formula 1> wherein M is a Group X metal; [M(L1)x(L?2)y(L3)z] is a cationic complex; L1 is an anionic hydrocarbyl-containing ligand; L?2 is a neutral ligand; L3 is an N-heterocyclic carbene ligand; [Ani] is an anion capable of weakly coordinating with the metal M; x is 1 or 2; y is 0 to 4; z is 1 or 2; 2?x+y+z?6; a and b are respectively the number of cations and the number of anions capable of weakly coordinating with the metal M and are each a number of 1-10 which is used to satisfy the net charge balance of the metal catalyst complex, and wherein for each of L1, L?2, and L3, when a plurality of ligands are present in a molecule of the metal catalyst complex, the ligands may be the same or different, and where

Abstract: Provided is a metal catalyst complex for preparing a cyclic olefin-based polymer by addition polymerization of a cyclic olefin-based monomer, which is represented by Formula 1 below: [M(L1)x(L?2)y(L3)z]a[Ani]b??<Formula 1> wherein M is a Group X metal; [M(L1)x(L?2)y(L3)z] is a cationic precatalyst; L1 is an anionic hydrocarbyl-containing ligand; L?2 is a neutral ligand; L3 is an N-heterocyclic carbene ligand; [Ani] is an anion capable of weakly coordinating with the metal M; x is 1 or 2; y is 0 to 4; z is 1 or 2; 2?x+y+z?6; a and b are each 1 to 10. The metal catalyst complex has an N-heterocyclic carbene ligand, and thus, is excellent in thermal stability and reactivity.