Patent application number | Description | Published |
20130260359 | APPARATUS AND METHOD FOR DIAGNOSING LEARNING ABILITY - The present disclosure relates to an apparatus and method for diagnosing a learning ability. The apparatus for diagnosing learning ability includes a receiving unit configured to receive from a terminal chapter-related information or problem-related information which is desirably diagnosed by a learner, and a semantic information generator configured to generate, responsive to each piece of problem information included in the chapter-related information or problem-related information, semantic information with structural information of the problem information, the problem information having subject-specific problem information distinguished from the semantic information. | 10-03-2013 |
20130275122 | METHOD FOR EXTRACTING SEMANTIC DISTANCE FROM MATHEMATICAL SENTENCES AND CLASSIFYING MATHEMATICAL SENTENCES BY SEMANTIC DISTANCE, DEVICE THEREFOR, AND COMPUTER READABLE RECORDING MEDIUM - A method of extracting the semantic distance from the mathematical sentence and classifying the mathematical sentence by the semantic distance, includes: receiving a user query; extracting at least one keyword included in the received user query; and extracting a semantic distance by, indexing one or more of natural language tokens and mathematical equation tokens including semantic information, extracting the semantic distance, between the at least one extracted keyword and the one or more indexed semantic information by referring indexed information, and acquiring a similarity of the received user query and the semantic information. | 10-17-2013 |
20130290390 | METHOD AND DEVICE FOR INPUTTING EQUATION - The present disclosure relates to a method and apparatus for inputting equations. An equation input apparatus includes a learning context recognizer for extracting learning context information regarding a learner; a target equation group extractor for generating a target equation group including target mathematical symbols based on the extracted learning context information; and a predicted equation provider for providing a predicted mathematical symbol list relating to information, input or selected from the target equation group by user command, and for reflecting an equation selected from the predicted mathematical symbol list in the input or selected information. | 10-31-2013 |
20130295537 | MATHEMATICS EDUCATION SERVICE SYSTEM, SERVICE METHOD THEREOF, APPARATUS FOR ANALYZING AND GENERATING MATHEMATICAL PROBLEMS, AND METHOD THEREOF - The present disclosure provides a mathematics education service system includes a problem storing unit to store at least one mathematical problem; a transform method executing unit to execute a plurality of problem transform methods; a problem separating unit to collect equations used in the mathematical problem, separate one or more terms from the collected equations by parsing the collected equations, and separate a constant and a variable from each of the separated one or more terms; and a problem generating unit to generate another applied problem of the mathematical problem by applying at least one of the problem transform methods (i) to the collected equations, and (ii) to the constant and the variable of each of the separated one or more terms, wherein the system is configured to provide the mathematical problem and the generated another problem are provided to a learner terminal. | 11-07-2013 |
Patent application number | Description | Published |
20120012798 | Positive electrode material for lithium secondary battery and method for manufacturing the same - The present invention provides a positive electrode material for a lithium secondary battery comprising a compound represented by the following Formula 1: | 01-19-2012 |
20120141877 | ELECTRODE OF SECONDARY CELL INCLUDING POROUS INSULATING LAYER, AND MANUFACTURING METHOD THEREOF - The present invention provides a manufacturing method of a secondary cell electrode forming a porous insulating layer on at least one surface between a negative electrode and a positive electrode, including coating an electrode layer slurry on the electrode surface, coating the porous insulating layer while in a state in which the electrode layer slurry has not been dried, and simultaneously drying the electrode layer slurry and the porous insulating layer coating slurry so a binder of the porous insulating layer does not block the pores of the electrode layer. | 06-07-2012 |
20120305855 | POSITIVE ELECTRODE MATERIAL FOR SECONDARY BATTERY AND METHOD FOR MANUFACTURING THE SAME - A positive electrode material for a secondary battery and a method for manufacturing the same are provided, in which manganese fluorophosphate containing lithium or sodium can be used as an electrode material. That is, a positive electrode material for a lithium/sodium battery is provided, in which intercalation/deintercalation of sodium/lithium ions is possible due to a short lithium diffusion distance caused by nanosizing of particles. Furthermore, a positive electrode material for a lithium/sodium battery is provided, which has electrochemical activity due to an increase in electrical conductivity by effective carbon coating. | 12-06-2012 |
20130069012 | COMPOSITIONS AND METHODS FOR MANUFACTURING A CATHODE FOR LITHIUM SECONDARY BATTERY - Disclosed are compositions and methods for producing a cathode for a secondary battery, where lithium manganese fluorophosphate such as Li | 03-21-2013 |
20130078521 | COMPOSITIONS AND METHODS FOR MANUFACTURING A CATHODE FOR A SECONDARY BATTERY - Disclosed are compositions and methods for producing a cathode for a secondary battery, where a fluorophosphate of the formula Li | 03-28-2013 |
20130134362 | CATHODE MATERIAL FOR SECONDARY BATTERY AND MANUFACTURING METHOD OF THE SAME - Disclosed are a cathode material for a secondary battery, and a manufacturing method of the same. The cathode material includes a lithium manganese phosphate LiMnPO | 05-30-2013 |