Abstract: A system includes a database configured to store a matrix of knowledge units, a curriculum generation unit configured to generate a curriculum for the user based on the matrix of knowledge units stored in the database, a knowledge providing unit configured to provide the user with the at least one problem and to provide the user with contents on the knowledge unit associated with the user's response to the at least one problem, and a user knowledge analysis unit configured to determine the user's achievement for the at least one knowledge unit based on a feedback that the user provided in response to at least one other problem, and to reflect information on the determined achievement to the database.

Abstract: A system includes a database configured to store a matrix of knowledge units, a curriculum generation unit configured to generate a curriculum for the user based on the matrix of knowledge units stored in the database, a knowledge providing unit configured to provide the user with the at least one problem and to provide the user with contents on the knowledge unit associated with the user's response to the at least one problem, and a user knowledge analysis unit configured to determine the user's achievement for the at least one knowledge unit based on a feedback that the user provided in response to at least one other problem, and to reflect information on the determined achievement to the database.

Abstract: A method for providing education service based on knowledge units includes generating a curriculum based on a user's achievement for at least one knowledge unit when the curriculum includes at least one problem composed based on the at least one knowledge unit, and providing the at least one problem to the user.

Abstract: The present invention relates to a method, system and non-transitory computer-readable recording medium for supporting learning of basic arithmetic operations. According to one aspect of the invention, there is provided a method for supporting learning of basic arithmetic operations, comprising the steps of: calculating a user's achievement score for at least one number type matchable with a knowledge unit, with reference to feedback from the user, wherein a question for the at least one number type is provided to the user; and determining a supplemental question to be provided to the user, which is associated with the number type in which the user is weak, on the basis of the calculated achievement score.

Abstract: A method for providing education service based on knowledge units includes generating a curriculum based on a user's achievement for at least one knowledge unit when the curriculum includes at least one problem composed based on the at least one knowledge unit, and providing the at least one problem to the user.