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 an apparatus for managing zone presence, which manages presence information of a zone including a plurality of wireless access points, including: a presence managing unit receiving a subscription request from an application server and determining whether user terminal access information received from at least any one among the plurality of wireless access points corresponds to the subscription request; and an API processing unit providing the presence information to the application server when the user terminal access information corresponds to the subscription request.

Abstract: Disclosed is a system for recommending a task, including: an log collecting unit collecting an action log of a user; a context information collecting unit collecting a schedule of the user; an association pattern learning unit generating an association pattern from the association relationship, when an occurrence probability of an association relationship between the action log and the schedule is equal to or higher than a predetermined reference value; and a recommended task generating unit generating a recommended task according to the schedule of the user by matching the schedule of the user with the association pattern.

Abstract: Provided is an apparatus for managing zone presence, which manages presence information of a zone including a plurality of wireless access points, including: a presence managing unit receiving a subscription request from an application server and determining whether user terminal access information received from at least any one among the plurality of wireless access points corresponds to the subscription request; and an API processing unit providing the presence information to the application server when the user terminal access information corresponds to the subscription request.

Abstract: An access control management apparatus and method for open service components are provided. The access control management apparatus may include a header extractor configured to extract a header from a request message for a service component which is received from an application, an authentication manager configured to authenticate a permission of the application for the service component using an application ID, a service key for the service component and an authorization code which are included in the header, and a history manager configured to store an execution result of the service component if the permission is authenticated.

Abstract: Disclosed is a file cloud service apparatus that is not a file cloud system for simply sharing a file between users, but a social file cloud server that enables social information about a file shared within a group to be used by including a comment of a user or scores on a file in file metadata information in group sharing. The file cloud service apparatus may construct a single system together with a file cloud client apparatus by adding social information of the user on the file and thereby may provide an efficient social sharing service. The file cloud service apparatus becomes a base for providing a user-oriented file cloud service.

Abstract: A method of processing an open asynchronous application service event and an open web service gateway implementing the method are provided. The open web service gateway includes: a plurality of SCFs (service capability features) operatively connected to an application service through a web service interface, receives an event registration request from the application service, and notifies an event occurring in a network to the application service; and an event broker registering the registration-requested based on a predetermined policy in correspondence with the SCFs, when the registration-requested event received from the application service is an asynchronous event, and notifies an occurrence of the event in the network to the SCFs according to a registered priority of the event.

Abstract: Provided are a system and method for interworking Service Capability Features (SCFs) and protocols in an open service gateway. The system includes service capability features that generate and process various protocol messages, and a protocol stack that enables an interwork with a communications network. The protocol stack includes: one or more units that maintain various protocols, a unit that performs data connection and transmits and processes messages, and a unit that manages the various protocols. In the protocol stack, protocol identifiers that differentiate the protocols from one another, and message identifiers that differentiate service capability features from one another are stored in the unit that manages the various protocols.

Abstract: A system for user customized media service based on single-media multi-devices (SMMD), which cooperatively controls devices in accordance with effect information when media are reproduced, includes menu providing means for providing a setting menu capable of setting or correcting the effect information; and managing means for setting or correcting a device profile having information for cooperation with the devices in accordance with the setting or correcting the effect information. The system further includes controlling means for controlling the devices in accordance with the effect information. The method for user customized media service based on SMMD includes providing a setting menu capable of setting or correcting the effect information; setting or correcting a device profile having information for cooperation of the devices on a basis of the set or corrected effect information; and cooperatively controlling the devices in accordance with the effect information for the device profile.

Abstract: An IPTV supplementary service control system and an IPTV supplementary service method using the system are provided. The IPTV supplementary service control system decrypts an IPTV supplementary service request contained in an SOAP message contained in a set-top box in order to provide the IPTV supplementary service. The IPTV supplementary service control system generates a control command required to perform the requested IPTV supplementary service and transmits the control command to a head end which transmits a content via a multicast network. Accordingly, it is possible to easily generate and provide the IPTV supplementary service by remotely controlling the head end.