Abstract: The present invention provides a scalable digital twin system structure and a scalable digital twin service method that are capable of, based on a digital twin, performing real-time control of the real world while providing information required for the user to determine the optimal countermeasure in solve real-world problems in stages, thereby helping rapidly solve problems of the real-world. In order to preemptively respond to the real-world problems by providing decision support information with improved reliability according to a timeline based on a digital twin of a scalable structure, the operation of the digital twin is divided into several stages according to complexity and a result of each stage is transferred to an application service and the next stage, so that as the stage becomes higher, a more reliable result can be provided.

Abstract: A method of generating context-customized digital twin is provided. The method includes receiving pieces of basic data by using a data receiver, classifying the pieces of basic data into a plurality of layers and tagging the classified pieces of basic data to tags by using a preprocessor, generating context-customized digital twin models by using pieces of basic data corresponding to tags selected from among the tags by using a twin model generator, and storing the tags, the tagged pieces of basic data, and the context-customized digital twin models in a storage.

Abstract: Provided is a digital twin disaster management system customized to keep safety for urban underground tunnels, including: a sensor sub-system configured to detect environmental information, status information and image information in the urban underground tunnels; a digital twin model management sub-system configured to create and update a virtual space corresponding to the urban underground tunnels using information provided from the sensor sub-system and 3D space, insert various types of attributes into the virtual space, detect tagging information, predict the spread of each disaster, and infer a degree of risk of a management facility; a disaster management sub-system having a control function of conducting centralized supervision by displaying information about components installed in the urban underground tunnels in the metaverse space and recording a situation; and a network sub-system configured to provide the virtual space to a user terminal of an external inspector.

Abstract: A wearable device for providing disaster information includes a communicator configured to receive, from a user terminal, a disaster information code obtained by coding a type of a disaster and a degree of risk of the disaster, a symbol and image generator configured to generate a symbol and an image corresponding to the disaster information code received through the communicator, and a display displaying the symbol and the image generated by the symbol and image generator.

Abstract: Provided is a digital twin disaster management system customized to keep safety for urban underground tunnels, including: a sensor sub-system configured to detect environmental information, status information and image information in the urban underground tunnels; a digital twin model management sub-system configured to create and update a virtual space corresponding to the urban underground tunnels using information provided from the sensor sub-system and 3D space, insert various types of attributes into the virtual space, detect tagging information, predict the spread of each disaster, and infer a degree of risk of a management facility; a disaster management sub-system having a control function of conducting centralized supervision by displaying information about components installed in the urban underground tunnels in the metaverse space and recording a situation; and a network sub-system configured to provide the virtual space to a user terminal of an external inspector.

Abstract: Provided is an apparatus for controlling a distributed cloud for three-dimensional (3D) printers, the apparatus including a user matcher configured to transmit and receive data to/from a user terminal, a 3D model receiver configured to receive a 3D model selected by the user terminal from a 3D model distribution platform server, a 3D printer manager configured to manage a plurality of 3D printers connected to a distributed cloud for 3D printers, a 3D part model generator configured to divide the 3D model into 3D part models, each of which is producible by a single 3D printer, on the basis of property information of the 3D model and specification information of the 3D printers collected by the 3D printer manager, and a 3D part model transmitter configured to transmit the 3D part models to the plurality of 3D printers on the basis of the property information of the 3D model and the specification information of the 3D printers collected by the 3D printer manager.

Abstract: Disclosed is an apparatus and method for tagging a topic to content. The apparatus may include an unstructured data-based topic generator configured to generate a topic model including an unstructured data-based topic based on content and unstructured data, a viewer group analyzer configured to analyze a characteristic of a viewer group including a viewer of the content based on a social network of the viewer and viewing situation information of the viewer, a multifaceted topic generator configured to generate a multifaceted topic based on the topic model and the characteristic of the viewer group, a content divider configured to divide the content into a plurality of scenes, and a tagger configured to tag the multifaceted topic to the scenes.

Abstract: Disclosed are a method, apparatus, and system for predicting a spread of a disaster with respect to multiple disasters. According to the present disclosure, the method includes: receiving disaster-related information; generating a disaster-connection scenario by applying a regional characteristic and connection between disasters to the disaster-related information; performing disaster modeling on each of the disasters that make up the disaster-connection scenario; and predicting a spread of the multiple disasters by integrating results of the disaster modeling. According to an embodiment of the present disclosure, it is possible that a spread of multiple disasters originated from a single disaster situation is predicted and provided in real time. Also, according to an embodiment of the present disclosure, it is possible that a multi-disaster situation predicted in real time is checked and preparation for natural disasters and multiple disasters in advance is performed.

Abstract: Disclosed is a manufacturing method of a sensor by using 3D printing and 3D printer therefor. According to an embodiment of the present disclosure, a manufacturing method of a sensor by using 3D printing includes: forming a first shape having an inner space by using a non-conductive material, and simultaneously or sequentially, forming an electrode at a preset location in the inner space by using a conductive material; injecting conductive liquid into the inner space; and forming a second shape on the first shape by using the non-conductive material to seal the inner space of the first shape.

Abstract: Provided is an apparatus for bi-directional sign language/speech translation in real time and method that may automatically translate a sign into a speech or a speech into a sign in real time by separately performing an operation of recognizing a speech externally made through a microphone and outputting a sign corresponding to the speech, and an operation of recognizing a sign sensed through a camera and outputting a speech corresponding to the sign.

Abstract: Provided is an apparatus for controlling a distributed cloud for three-dimensional (3D) printers, the apparatus including a user matcher configured to transmit and receive data to/from a user terminal, a 3D model receiver configured to receive a 3D model selected by the user terminal from a 3D model distribution platform server, a 3D printer manager configured to manage a plurality of 3D printers connected to a distributed cloud for 3D printers, a 3D part model generator configured to divide the 3D model into 3D part models, each of which is producible by a single 3D printer, on the basis of property information of the 3D model and specification information of the 3D printers collected by the 3D printer manager, and a 3D part model transmitter configured to transmit the 3D part models to the plurality of 3D printers on the basis of the property information of the 3D model and the specification information of the 3D printers collected by the 3D printer manager.

Abstract: Provided herein is an apparatus and method for secure access controlling of a terminal, and more particularly, to a method for secure access controlling of a terminal configured to analyze a behavior pattern of the terminal based on location tracking and path anticipating of the terminal, compare a current location and an anticipated path so as to restrict secure access when an abnormality is discovered from the behavior pattern, and an apparatus thereof, the method including inferring an anticipated path of the terminal based on location information of the terminal collected on a predetermined cycle; determining whether or not the terminal deviated from the anticipated path by comparing a current location of the terminal and the anticipated path of the terminal; and in response to determining that the terminal deviated from the anticipated path, rejecting a secure access request of the terminal.

Abstract: Provided is an apparatus for bi-directional sign language/speech translation in real time and method that may automatically translate a sign into a speech or a speech into a sign in real time by separately performing an operation of recognizing a speech externally made through a microphone and outputting a sign corresponding to the speech, and an operation of recognizing a sign sensed through a camera and outputting a speech corresponding to the sign.

Abstract: The present invention provides content providing apparatus and method and a content providing system which maintains a compatibility with an IP network and deliver a content with a complete distributed architecture excluding the content synchronizing process and the request routing process which delivers the content.

Abstract: Provided are a clustering method using broadcast content and broadcast related data and a user terminal to perform the method, the clustering method including creating a story graph with respect to each of a plurality of scenes associated with broadcast content based on the broadcast content and broadcast related data, and creating a cluster of a scene based on the created story graph.

Abstract: Disclosed is an apparatus and method for tagging a topic to content. The apparatus may include an unstructured data-based topic generator configured to generate a topic model including an unstructured data-based topic based on content and unstructured data, a viewer group analyzer configured to analyze a characteristic of a viewer group including a viewer of the content based on a social network of the viewer and viewing situation information of the viewer, a multifaceted topic generator configured to generate a multifaceted topic based on the topic model and the characteristic of the viewer group, a content divider configured to divide the content into a plurality of scenes, and a tagger configured to tag the multifaceted topic to the scenes.

Abstract: A wireless access point apparatus for configuring a multiple data security tunnel, and a system having the same and a method thereof, and more particularly, a technology associated with a wireless access point apparatus that supports a wireless secure throughout all layers in a wireless network section. The wireless access point apparatus for configuring a multiple data security tunnel includes: a control security tunnel managing unit managing a control security tunnel that transfers policies and authentication information for wireless network access control and management; and a multiple data security tunnel managing unit creating a data security tunnel for each of a plurality of wireless terminals, while, creating and managing the multiple data security tunnel for each of application services of the plurality of wireless terminals.

Abstract: Provided herein is an apparatus and method for secure access controlling of a terminal, and more particularly, to a method for secure access controlling of a terminal configured to analyze a behavior pattern of the terminal based on location tracking and path anticipating of the terminal, compare a current location and an anticipated path so as to restrict secure access when an abnormality is discovered from the behavior pattern, and an apparatus thereof, the method including inferring an anticipated path of the terminal based on location information of the terminal collected on a predetermined cycle; determining whether or not the terminal deviated from the anticipated path by comparing a current location of the terminal and the anticipated path of the terminal; and in response to determining that the terminal deviated from the anticipated path, rejecting a secure access request of the terminal.

Abstract: A method of assuring QoS in consideration of fairness in a contention-based wireless network and a terminal for the same are provided. When a token is allocated by a wireless access point, the terminal determines priority of a data frame which the terminal intends to use in communication, through a scheme of splitting the allocated token. Therefore, fairness can be assured by selection of the terminal.

Abstract: Disclosed is a Quality of Service (QoS) providing method and apparatus in a software-defined networking (SDN) based network, the QoS providing method including receiving a first packet of a predetermined flow, searching for forwarding information corresponding to the packet and QoS rule information corresponding to the packet in a forwarding table and a QoS rule table, respectively, transmitting the packet to a controller if the forwarding information and the QoS rule information do not exist in the forwarding table and the QoS rule table, and generating a flow entry corresponding to the packet in a flow learning table based on forwarding information and QoS rule information that are received from the controller, thereby efficiently providing QoS.