Abstract: Provided are a server and a method for providing a multilingual subtitle service using an artificial intelligence learning model, and a method for controlling the server. The server includes: a communication unit configured to perform data communication with either or both of a first user terminal device of a client requesting translation of a content image and a second user terminal device of a worker performing a translation task; a storage configured to store a worker search list based on learned worker information, and an artificial intelligence learning model for performing a worker's task performance evaluation; and a controller configured to input image information on the content image to the artificial intelligence learning model in accordance with a worker recommendation command of the client to acquire a worker list of workers capable of translating the content image, and control the communication unit to transmit the acquired worker list to the first user terminal device.

Abstract: A semiconductor memory device includes a substrate including an element separation film and an active region defined by the element separation film, a bit line structure on the substrate, a trench in the element separation film and the active region, the trench on at least one side of the bit line structure and including a first portion in the element separation film and a second portion in the active region, a bottom face of the first portion placed above a bottom face of the second portion, a single crystal storage contact filling the trench, and an information storage element electrically connected to the single crystal storage contact.

Abstract: Provided are a server and a method for providing a multilingual subtitle service using an artificial intelligence learning model, and a method for controlling the server. The server includes: a communication unit configured to perform data communication with either or both of a first user terminal device of a client requesting translation of a content image and a second user terminal device of a worker performing a translation task; a storage configured to store a worker search list based on learned worker information, and an artificial intelligence learning model for performing a worker's task performance evaluation; and a controller configured to input image information on the content image to the artificial intelligence learning model in accordance with a worker recommendation command of the client to acquire a worker list of workers capable of translating the content image, and control the communication unit to transmit the acquired worker list to the first user terminal device.

Abstract: Proposed are a multilingual subtitle service system and a method for controlling a service server thereof. The subtitle service system includes: a subtitle service server configured to, in response to a request from a worker, provide a subtitle content creating tool for creating a subtitle content for a content image requested by a client and evaluate task performance of the worker based on the subtitle content created by the worker; and a user terminal device configured to access the subtitle service server to transmit project information on the content image requested by the client, and, in response to a request from the worker, display a subtitle service window including the subtitle content creating tool provided by the subtitle service server.

Abstract: An aging environment measurement apparatus measures aging environment data within an oak barrel and transmits the measured aging environment data within the oak barrel to a server, and the aging environment measurement apparatus is mounted in a bung of the oak barrel.

Abstract: A gateway system for a sensor network and a driving method thereof are disclosed. The gateway system includes a sink node board that collects sensor data measured by a sensor node and transmits the sensor data, and a gateway board that transmits the sensor data transmitted from the sink node board to a server. Herein, the sink node board controls whether to apply power to the gateway board or not.

Abstract: A mobile terminal in a sensor network selects one of the sensors nodes in the sensor network as an upstream agent, and piggybacks a list of neighboring sensor nodes found in the upstream agent selection process on an upstream packet and transmits the upstream packet to a gateway through the upstream agent. The gateway in the sensor network selects one of the neighboring sensor nodes as a downstream agent using state information of the neighboring sensor nodes in the list, and transmits a downstream packet to the mobile terminal through the selected downstream agent.

Abstract: An apparatus for controlling power of sensor nodes based on estimation of power acquisition, includes: a self power acquisition unit acquiring self power; an internal sensing unit sensing power acquired from the self power acquisition unit and consumed power; a power cut-off unit cutting-off power for each component of the sensor nodes; and a microprocessor receiving information of acquired power and consumed power from the internal sensing unit to analyze a supply and demand of power, estimating the acquired power using annual meteorological statistics data and recent weather forecast data, controlling power for each component of the sensor nodes through the power cut-off unit according to the estimation of the acquired power, and controlling a sensing period and a communication period of the sensor nodes.

Abstract: A resource sharing apparatus which allows a first terminal and a second terminal to share a resource includes a virtual node generating unit which generates a virtual node corresponding to the second terminal in a storing space in the first terminal, and a sharing control unit which transmits sharing data to the second terminal through the virtual node, if information on at least one resource which is permitted to be shared with the second terminal, among the resources of the first terminal, is generated, deleted, or changed.

Abstract: An aging environment measurement apparatus measures aging environment data within an oak barrel and transmits the measured aging environment data within the oak barrel to a server, and the aging environment measurement apparatus is mounted in a bung of the oak barrel.

Abstract: Provided are a sensor node included in a sensor network, an update server updating the sensor node, and a method of updating a sensor node. The update server updating a sensor node included in a sensor network includes an execution code manager managing execution codes for a plurality of sensor nodes included in the sensor network, a rule generator generating an update rule based on a result of comparing an existing execution code managed by the execution code manager with an update execution code required for a new function update of the sensor node, and a downloader causing the sensor node to download the update rule generated by the rule generator. Accordingly, an execution code can be updated by a small amount of data transmission.

Abstract: An apparatus for controlling power of sensor nodes based on estimation of power acquisition, includes: a self power acquisition unit acquiring self power; an internal sensing unit sensing power acquired from the self power acquisition unit and consumed power; a power cut-off unit cutting-off power for each component of the sensor nodes; and a microprocessor receiving information of acquired power and consumed power from the internal sensing unit to analyze a supply and demand of power, estimating the acquired power using annual meteorological statistics data and recent weather forecast data, controlling power for each component of the sensor nodes through the power cut-off unit according to the estimation of the acquired power, and controlling a sensing period and a communication period of the sensor nodes.

Abstract: A mobile terminal in a sensor network selects one of the sensors nodes in the sensor network as an upstream agent, and piggybacks a list of neighboring sensor nodes found in the upstream agent selection process on an upstream packet and transmits the upstream packet to a gateway through the upstream agent. The gateway in the sensor network selects one of the neighboring sensor nodes as a downstream agent using state information of the neighboring sensor nodes in the list, and transmits a downstream packet to the mobile terminal through the selected downstream agent.

Abstract: Provided are a gateway apparatus for providing multi-channel functionality in a sensor network, and a method and an apparatus for interfacing using serial peripheral interface (SPI) in the gateway apparatus. The SPI interfacing apparatus is connected to a plurality of wireless transmit/receive units, and receives a data frame via an SPI to output the data frame to a wireless transmit/receive unit, based on information regarding selection of the wireless transmit/receive unit, wherein the information is contained in the data frame. Then, the SPI interfacing unit receives data frames from the wireless transmit/receive units to output the data frames in a predetermined order via an SPI. Thus, the wireless transmit/receive units for providing multi-channel functionality can interface a signal processing unit by using an SPI method.

Abstract: Provided are a bridge system, a network management server, and communication methods at the bridge system and the network management server for efficient communication in a wireless sensor network (WSN).

Abstract: Provided is a method for forming a customized-quality integrated transport network based on synch and asynch frames, and a transport network forming apparatus thereof. The method of the present invention includes: a) synchronizing a transmission bit rate in a network; b) when the transmission bit rate is synchronized in the network and a connection request is received, establishing a connection by determining a route and a start cycle time of the link based on a quality of the connection request and transporting it to nodes of the link; and c) transmitting data to be transported to a link of an adjacent node within the virtual cycle time when the data are synch frames; or when the data are asynch frames and the data are not transmitted within a virtual cycle time of a link to be switched, keeping the data waiting for a next cycle time.

Abstract: Provided are a sensor node included in a sensor network, an update server updating the sensor node, and a method of updating a sensor node. The update server updating a sensor node included in a sensor network includes an execution code manager managing execution codes for a plurality of sensor nodes included in the sensor network, a rule generator generating an update rule based on a result of comparing an existing execution code managed by the execution code manager with an update execution code required for a new function update of the sensor node, and a downloader causing the sensor node to download the update rule generated by the rule generator. Accordingly, an execution code can be updated by a small amount of data transmission.

Abstract: A memory management apparatus and method for storing data in units of various packet sizes in appliances utilizing memory devices are provided. The memory allocation apparatus includes data memory which includes a plurality of data blocks, each of which includes a plurality of sub data blocks having a predetermined size, and when there is a request for allocating memory space of a variable size, allocates memory space in units of any one of the sub data blocks and the data blocks, a free list memory which manages an free memory space of the data memory as at least one or more lists, and registers that store head location information and tail location information of the list.

Abstract: Provided are a gateway apparatus for providing multi-channel functionality in a sensor network, and a method and an apparatus for interfacing using serial peripheral interface (SPI) in the gateway apparatus. The SPI interfacing apparatus is connected to a plurality of wireless transmit/receive units, and receives a data frame via an SPI to output the data frame to a wireless transmit/receive unit, based on information regarding selection of the wireless transmit/receive unit, wherein the information is contained in the data frame. Then, the SPI interfacing unit receives data frames from the wireless transmit/receive units to output the data frames in a predetermined order via an SPI. Thus, the wireless transmit/receive units for providing multi-channel functionality can interface a signal processing unit by using an SPI method.

Abstract: Provided are a method and apparatus for connecting a sensor network to a heterogeneous network, in which an external network connected to the sensor network functions as a virtual personal area network (PAN) so that the same PAN address system is used between the sensor network and the external network by using a concept of a ‘virtual PAN’. According to the method and apparatus for connecting the sensor network to the heterogeneous network, a node of the sensor network can efficiently communicate with a node of the external network including the heterogeneous network by assigning the virtual PAN address to the node of the external network including the heterogeneous network without inserting any additional layer into the node of the sensor network.