Abstract: A system comprises: an endpoint configured to look up a domain name for at least one cloud service, an application cloud service, and a database cloud service and transmit context information; and a security gateway configured to set up a domain name list of the cloud service and perform context-based access control of the endpoint to the cloud service using the context information transmitted from the endpoint, wherein the endpoint comprises: a domain name system client configured to store domain cache information and an IP address corresponding to the domain name; and a traffic forwarding agent configured to update domain matching information for each IP address of the domain name list provided from the security gateway, generate the context information for the cloud service through a lookup of the domain cache information or the domain matching information, and transmit the generated context information to the security gateway.

Abstract: Provided are a method and apparatus for providing a driver interface. The method of providing a driver interface may include, based on a state of a vehicle, determining a main interface configured to display information regarding a vehicle operation service, and generating the determined main interface, wherein the generating of the main interface may include determining a before-starting-work interface as the main interface, in response to the state of the vehicle being switched to a moving-to-workplace state, determining a moving-to-workplace interface as the main interface, and in response to the state of the vehicle being switched to a standby-for-dispatch state, determining a standby-for-dispatch interface as the main interface.

Abstract: Systems and methods are provided for detecting inaccuracy in a product title, comprising identifying, by running a string algorithm on a title associated with a product, at least one product type associated with the product, predicting, using a machine learning algorithm, at least one product type associated with the product based on the title, detecting an inaccuracy in the title, based on at least one of the identification or the prediction, and outputting, to a remote device, a message indicating that the title comprises the inaccuracy. Running the string algorithm may comprise receiving a set of strings, generating a trie based on the received set of strings, receiving the title, and traversing the generated trie using the title to find a match. Using the machine learning algorithm may comprise identifying words in the title, learning a vector representation for each character n-gram of each word, and summing each character n-gram.

Abstract: Systems and methods are provided for detecting inaccuracy in a product title, comprising identifying, by running a string algorithm on a title associated with a product, at least one product type associated with the product, predicting, using a machine learning algorithm, at least one product type associated with the product based on the title, detecting an inaccuracy in the title, based on at least one of the identification or the prediction, and outputting, to a remote device, a message indicating that the title comprises the inaccuracy. Running the string algorithm may comprise receiving a set of strings, generating a trie based on the received set of strings, receiving the title, and traversing the generated trie using the title to find a match. Using the machine learning algorithm may comprise identifying words in the title, learning a vector representation for each character n-gram of each word, and summing each character n-gram.

Abstract: A power quality monitoring apparatus is developed for a railway power system. The apparatus is calculating the energy flow and the power consumption and recording the by using the voltage and current sensors at AC and DC power source in the various industrial fields. The voltage and current phases are detected for the AC power. The direction of current is detected to calculate the power consumption for the DC power. Then, the detected data is analyzed. It is possible to monitor the variation of the voltages and current values of the railway vehicle in real time. It is possible to display the variations of the vehicle loads, the AC power output, the voltage and current value fluctuations, the power consumption and power flows in a form of the graphic or text format. Thereby, it is possible to easily understand the overall status of the overhead line's environment.

Abstract: An energy storage apparatus has developed for railway vehicles by adopting a bidirectional DC-DC converter to increase the efficiency of charge/discharge, comprising that; a power receiving unit, filter unit, charging unit storage unit having a plurality of super-capacitors, capacitor monitoring unit, a plurality of bidirectional DC-DC converters arranged in parallel, and voltage detector electrically connected to the filter unit, current detector for detecting the currents flowing. The controller further comprises; an analog interface board, signal identifying board, signal control board, digital output contact unit, communicating board, PWM control board, optical output board, external gate driver. The PWM control board includes; a sensor input circuit, A/D converter, calculation unit, calculation control processor, and power monitoring unit.

Abstract: An energy storage apparatus has developed for railway vehicles by adopting a bidirectional DC-DC converter to increase the efficiency of charge/discharge, comprising that; a power receiving unit, filter unit, charging unit storage unit having a plurality of super-capacitors, capacitor monitoring unit, a plurality of bidirectional DC-DC converters arranged in parallel, and voltage detector electrically connected to the filter unit, current detector for detecting the currents flowing. The controller further comprises; an analog interface board, signal identifying board, signal control board, digital output contact unit, communicating board, PWM control board, optical output board, external gate driver. The PWM control board includes; a sensor input circuit, A/D converter, calculation unit, calculation control processor, and power monitoring unit.

Abstract: A power quality monitoring apparatus is developed for a railway power system. The apparatus is calculating the energy flow and the power consumption and recording the by using the voltage and current sensors at AC and DC power source in the various industrial fields. The voltage and current phases are detected for the AC power. The direction of current is detected to calculate the power consumption for the DC power. Then, the detected data is analyzed. It is possible to monitor the variation of the voltages and current values of the railway vehicle in real time. It is possible to display the variations of the vehicle loads, the AC power output, the voltage and current value fluctuations, the power consumption and power flows in a form of the graphic or text format. Thereby, it is possible to easily understand the overall status of the overhead line's environment.

Abstract: An automatic tuning method is developed for an energy storage system of the railway vehicle. The method comprises; an optimal tracking for voltage fluctuation in the overhead line voltage varying with hourly-basis, the voltage variation of the substation and railway vehicle operating pattern. The railway vehicle is automatically performed the tuning to maximize the energy storing efficiency. The railway vehicle can achieve the optimum operation for saving energy effectively by bidirectional DC/DC converter using regenerative energy of DC. The railway vehicle stably operates under the overhead line voltage fluctuation. The energy efficiency is maximized by charging/discharging energy while the power is tracking unstable, which is generated by utilizing natural energies such as wind or solar energy, in real time by applying an automatic tuning algorithm to an energy storage system which is applied to a smart grid or a micro grid that uses renewable energy as a primary energy source.

Abstract: A semiconductor package comprises a silicon substrate having an insulative surface; a patterned metal layer, formed on the insulative surface of the silicon substrate; an insulation layer formed on the patterned metal layer, and the patterned metal layer being partially exposed for functioning as at least a set of the device attaching pads and ball attaching pads; at least a device electrically connected to the set of the device attaching pads; a sealing compound for covering portions of the insulative surface of the silicon substrate and encapsulating the devices; and a plurality of solder balls attached to the set of ball attaching pads.