Abstract: A self-evolving agent-based simulation system generates model evolution strategy for applying a difference between real-data and a simulation resulting value to a simulation model, and reconstructing components included in the simulation module using the model evolution strategy to evolve the simulation model when the difference between the real-data and the simulation resulting value of the agent-based simulation model does not satisfy a value in a predetermined error range.

Abstract: The preset invention is directed to a building energy management system and method, more specifically to a building energy management system and method that can quickly detect and control an abnormal situation or an emergency situation that may occur within a building.

Abstract: A self-evolving agent-based simulation system generates model evolution strategy for applying a difference between real-data and a simulation resulting value to a simulation model, and reconstructing components included in the simulation module using the model evolution strategy to evolve the simulation model when the difference between the real-data and the simulation resulting value of the agent-based simulation model does not satisfy a value in a predetermined error range.

Abstract: Provided is an edge-based load shedding system. The edge-based load shedding system includes an analysis server configured to determine to perform server or edge separation execution, transmit an operational module of an analysis application, issue a request to offload the transmitted operational module, and receive and analyze data obtained through preprocessing and an edge machine configured to receive and offload the operational module from the analysis server, preprocess raw data collected from a sensor by using the offloaded operational module, and transmit the data obtained through the preprocessing to the analysis server.

Abstract: A local analysis server includes: a communicator for communicating with a plurality of devices and a central analysis server; and a controller for transmitting data collected from the plurality of devices to the central analysis server, receiving an analysis model including cluster information on a plurality of clusters generated by performing a clustering analysis on the collected data from the central analysis server, reconstructing the plurality of clusters based on the analysis model, and identifying a cluster corresponding to the received data from among the reconstructed clusters through a clustering analysis on the data received from the plurality of devices.

Abstract: The preset invention is directed to a building energy management system and method, more specifically to a building energy management system and method that can quickly detect and control an abnormal situation or an emergency situation that may occur within a building.

Abstract: Provided is an edge-based load shedding system. The edge-based load shedding system includes an analysis server configured to determine to perform server or edge separation execution, transmit an operational module of an analysis application, issue a request to offload the transmitted operational module, and receive and analyze data obtained through preprocessing and an edge machine configured to receive and offload the operational module from the analysis server, preprocess raw data collected from a sensor by using the offloaded operational module, and transmit the data obtained through the preprocessing to the analysis server.

Abstract: An image monitoring apparatus is provided to monitor a wide area and accurately identify an object of surveillance based on radar technology. The monitoring area of a surveillance camera can be extended using radar, and an object to be detected can be accurately identified using fixed background information.

Abstract: Disclosed is a dynamic load balancing system. The dynamic load balancing system includes a resource management master managing bare servers that do not execute services and having a hierarchical structure and a service master dynamically allocating the bare servers to a load balancing server or a service execution server or dynamically releasing the pre-allocated load balancing server or service execution server by the bare servers, in consideration of monitoring information on a state or performance of a server and service requirements to be provided.

Abstract: The present invention provides an apparatus for visualizing hyperlinks using color attribute values including a category determination unit configured to determine a plurality of importance categories for respective hyperlinks extracted as results of searches, a color extraction unit configured to extract a plurality of color attribute values for the respective hyperlinks based on the importance categories, and a color setting unit configured to make the hyperlinks have colors corresponding to the extracted color attribute values.

Abstract: Provided are a method for generating an instantaneous decoding refresh (IDR) unit for trick play, and a trick play system and method using the same. The trick play system includes: a speed information input unit configured to receive a speed value; a transmission condition determining unit configured to determine instantaneous decoding refresh (IDR) transmission conditions based on the speed value inputted through the speed information input unit; a double-speed IDR-unit generating unit configured to generate a double-speed IDR-unit by adjusting the number and data size of video frames to be transmitted in accordance with the transmission conditions determined by the transmission condition determining unit; and a transmitting unit configured to transmit the generated double-speed IDR-unit to an external user terminal.

Abstract: Provided are a method and apparatus for obtaining a minimum cost vector for making a skyline object in a multi-dimensional space. The method includes calculating respective vector values having a query point and respective moving points to which the query point is moved as both end points in a multi-dimensional space having a plurality of coordinate axes, and selecting a vector value whose moving point is included in a skyline and has the minimum distance value from the query point as the minimum vector value from among the vector values.

Abstract: Disclosed is a dynamic load balancing system. The dynamic load balancing system includes a resource management master managing bare servers that do not execute services and having a hierarchical structure and a service master dynamically allocating the bare servers to a load balancing server or a service execution server or dynamically releasing the pre-allocated load balancing server or service execution server by the bare servers, in consideration of monitoring information on a state or performance of a server and service requirements to be provided.

Abstract: An adaptive mobile cloud system using a private virtual instance (PVI) includes: a PVI automatic provisioning for generating a PVI by providing a hardware resource, an operating system and an application which are requested by a user terminal; a PVI image manager for storing and managing an image of an execution state of the PVI by checking a state of the PVI; a mobile interface adaptor that is adaptively operated according to an input/output device and resources of the user terminal; and an adaptive application manager for executing an application by adaptive cooperation between the user terminal and the PVI according to the resource of the user terminal.

Abstract: Provided is an availability prediction method for a high availability. The method includes calculating a basic survival probability that the other node survives until a failure on one node of two nodes constituting a cluster is fixed, and determining an optimal number of nodes meeting a preset reference availability probability by calculating an availability probability for a predetermined range of the number of nodes on the basis of the basic survival probability. The method determines the number of nodes in the high availability cluster so as to match a reference availability probability, and is able to accomplish an optimal configuration of a cluster by calculating the availability probabilities for combinations between active node and passive nodes and between head nodes and switches.

Abstract: Provided are a method and apparatus for obtaining a minimum cost vector for making a skyline object in a multi-dimensional space. The method includes calculating respective vector values having a query point and respective moving points to which the query point is moved as both end points in a multi-dimensional space having a plurality of coordinate axes, and selecting a vector value whose moving point is included in a skyline and has the minimum distance value from the query point as the minimum vector value from among the vector values.

Abstract: Provided are a cluster system, which makes general nodes appear as if they provide seamless services without failure when seen from the outside, and a method for operating the cluster system. The cluster system for operating individual nodes in a distributed management manner includes a board server having a task board registered with a task list, an agent server for managing the task board, and a plurality of general server nodes for performing a corresponding task on the basis of the task list, among which a failed general server node is replaced with another normal general server node.

Abstract: Provided is an availability prediction method for a high availability. The method includes calculating a basic survival probability that the other node survives until a failure on one node of two nodes constituting a cluster is fixed, and determining an optimal number of nodes meeting a preset reference availability probability by calculating an availability probability for a predetermined range of the number of nodes on the basis of the basic survival probability. The method determines the number of nodes in the high availability cluster so as to match a reference availability probability, and is able to accomplish an optimal configuration of a cluster by calculating the availability probabilities for combinations between active node and passive nodes and between head nodes and switches.

Abstract: A fractional caching method and an adaptive contents transmitting method using the same are provided. The fractional caching method includes the steps of setting up a divided location for dividing a certain object into two parts, receiving an evict request for acquiring a space in the inside of the cache, when the evict request is transmitted, dividing a plurality of objects stored in the cache into a prefix-Object located in the head of the object and a suffix-Object located in the tail of the object from the divided location, and removing only the suffix-Object of each object, wherein the divided location is set up at a size rate that a size of the prefix-Object is in inverse proportion to the number of the destination types.

Abstract: A fractional caching method and an adaptive contents transmitting method using the same are provided. The fractional caching method includes the steps of setting up a divided location for dividing a certain object into two parts, receiving an evict request for acquiring a space in the inside of the cache, when the evict request is transmitted, dividing a plurality of objects stored in the cache into a prefix-Object located in the head of the object and a suffix-Object located in the tail of the object from the divided location, and removing only the suffix-Object of each object, wherein the divided location is set up at a size rate that a size of the prefix-Object is in inverse proportion to the number of the destination types.