US20140065590A1 - Method, system, and computer-readable recording medium for providing education service based on knowledge units - Google Patents

Method, system, and computer-readable recording medium for providing education service based on knowledge units Download PDF

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Publication number
US20140065590A1
US20140065590A1 US13/989,772 US201313989772A US2014065590A1 US 20140065590 A1 US20140065590 A1 US 20140065590A1 US 201313989772 A US201313989772 A US 201313989772A US 2014065590 A1 US2014065590 A1 US 2014065590A1
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Prior art keywords
knowledge
user
unit
curriculum
units
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Abandoned
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US13/989,772
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English (en)
Inventor
Yong Jae Kim
Seo Joon Kim
Jong Ho Shin
Seung Yun Cho
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KNOWRE KOREA Inc
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KNOWRE KOREA Inc
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Publication of US20140065590A1 publication Critical patent/US20140065590A1/en
Assigned to KNOWRE KOREA INC. reassignment KNOWRE KOREA INC. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: CHO, SEUNG YUN, KIM, SEO JOON, KIM, YONG JAE, SHIN, JONG HO
Priority to US14/588,067 priority Critical patent/US10937330B2/en
Priority to US17/137,879 priority patent/US11605305B2/en
Abandoned legal-status Critical Current

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    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
    • G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers
    • G09B7/02—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student
    • G09B7/04—Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by a student characterised by modifying the teaching programme in response to a wrong answer, e.g. repeating the question, supplying a further explanation
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/20—Education
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G06Q50/20—Education
    • G06Q50/205—Education administration or guidance
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
    • G09B7/00—Electrically-operated teaching apparatus or devices working with questions and answers

Definitions

  • the present invention relates to a method, a system, and a computer-readable recording medium for providing education service based on knowledge units.
  • the present inventor(s) now suggest techniques for providing education service based on knowledge units through the specification of the present application, which significantly improve the above-identified issues in prior art.
  • the present invention is to resolve the above prior art issues.
  • a method for providing education service based on knowledge units comprising the steps of: (a) generating a curriculum based on a user's achievement for at least one knowledge unit, said curriculum including at least one problem composed based on said at least one knowledge unit; and (b) providing said at least one problem to said user.
  • a new form of education service can be provided based on knowledge units.
  • the knowledge units for which a user has shown insufficient achievement can be identified to enable the user's learning about the knowledge units.
  • a plurality of knowledge units can be organized into a form of knowledge chain or matrix to advantageously make use of the knowledge units.
  • FIG. 1 is a schematic diagram of the structure of an entire system for providing education service according to one embodiment of the present invention.
  • FIGS. 2 a to 2 c are diagrams to facilitate understanding of the knowledge units and knowledge chains of the present invention.
  • FIG. 3 is a detailed diagram of the internal structure of an education service providing system 200 according to one embodiment of the present invention.
  • FIG. 4 illustrates a graphic user interface according to one embodiment of the present invention.
  • FIGS. 5 a and 5 b illustrate the procedures to optimize (generate) a curriculum for a specific user according to one embodiment of the present invention.
  • FIG. 5 c illustrates an exemplary achievement matrix of the specific user for individual knowledge units, which is identified for the curriculum optimization.
  • FIGS. 6 a to 6 l are textual representations illustrating exemplary knowledge chains of mathematics or science courses and their corresponding knowledge units, problems, explanations on individual solution steps, or the like.
  • FIG. 7 shows another example of the user achievement matrix according to the present invention.
  • content denotes digital information or individual information elements comprised of text, symbol, voice, sound, image, video, or the like, which are accessible via communication networks.
  • content may comprise data such as text, image, video, audio, and links (e.g., web links) or a combination of at least two types of such data.
  • FIG. 1 is a schematic diagram of the structure of an entire system for providing education service according to one embodiment of the present invention.
  • the entire system comprises a communication network 100 , an education service providing system 200 , and a user terminal device 300 .
  • the communication network 100 may be implemented regardless of communication modality such as wired or wireless communication, and may be constructed from a variety of communication networks such as local area networks (LANs), metropolitan area networks (MANs), and wide area networks (WANs).
  • LANs local area networks
  • MANs metropolitan area networks
  • WANs wide area networks
  • the communication network 100 described herein may be the Internet or the World Wide Web (WWW).
  • WWW World Wide Web
  • the communication 100 is not necessarily limited thereto, and may at least partially include known wired or wireless data communication networks, known telephone networks, or known wired or wireless television networks.
  • the education service providing system 200 may provide education contents to the user terminal device 300 via the communication network 100 , the contents including problems, correct answers, problem items of individual solution steps (i.e., sub-problems), correct answers to individual solution steps (i.e., correct answers to sub-problems), explanations on individual solution steps, hints on individual solution steps, knowledge units available for solutions (to be described below), and so on.
  • the education service providing system 200 may receive feedback (e.g., the user's answers to the problems or answers to the individual solution steps) on the user terminal device 300 , if necessary.
  • the education service providing system 200 may be a website server operating to provide education service on the web.
  • user applications may be downloaded from the education service providing system 200 to the user terminal device 300 .
  • the user terminal device 300 is a digital equipment capable of connecting to and communicating with the education service providing system 200 , and may be any type of digital equipment having a microprocessor and memory means for computing capabilities, such as desktop computers, notebook computers, workstations, personal digital assistants (PDAs), web pads, and mobile phones.
  • PDAs personal digital assistants
  • the user terminal device 300 may include a web browser (not shown) to allow the user to receive contents from the education service providing system 200 and send feedback thereon to the education service providing system 200 .
  • the user terminal device 300 may further include the aforementioned user applications. In any case, a graphic user interface may be provided to the user.
  • FIGS. 2 a to 2 c are diagrams to facilitate understanding of the knowledge units and knowledge chains of the present invention.
  • individual problems are composed on the basis of knowledge units, which are knowledge modules required to solve the problems.
  • At least one of such knowledge units may constitute a knowledge chain, which may be of a similar problem type.
  • the knowledge chain may be a chunk of information that sequentially includes the identification information of the knowledge units constituting the knowledge chain.
  • one knowledge unit may be solely used in one knowledge chain, while it may be usually used in a variety of knowledge chains. Therefore, the knowledge units that may constitute a knowledge chain together may be associated with each other and organized into the form of a matrix (three-dimensional in certain cases).
  • the corresponding knowledge units may be “Subtract the same number from both sides of the equation.” (1 ⁇ 2), “Factorize a quadratic trinomial with one unknown.” (2 ⁇ 3), “If a multiplication results in zero, then at least one of the factors of the multiplication is zero.” (3 ⁇ 4), or the like.
  • FIG. 2 c an example of the actual program code for implementing a knowledge unit regarding factorization of a quadratic equation is illustrated in FIG. 2 c.
  • FIG. 3 is a detailed diagram of the internal structure of the education service providing system 200 according to one embodiment of the present invention.
  • the education service providing system 200 may comprise a curriculum generation unit 210 , a knowledge providing unit 220 , a user knowledge analysis unit 230 , a database 240 , a communication unit 250 , and a control unit 260 .
  • the curriculum generation unit 210 , the knowledge providing unit 220 , the user knowledge analysis unit 230 , the database 240 , the communication unit 250 and the control unit 260 may be program modules that communicate with the user terminal device 300 .
  • Such program modules may be included in the education service providing system 200 in the form of operating systems, application modules, or other program modules, and may be physically stored in a variety of known storage devices.
  • program modules may be stored in a remote storage device capable of communicating with the education service providing system 200 .
  • the program modules include, but are not limited to, routines, subroutines, programs, objects, components, data structures, and so on, to perform specific tasks or implement specific abstract data types according to the present invention, which are to be described below.
  • the curriculum generation unit 210 may receive information on the user's basic profile (e.g., information on the user's grade, learning courses, learning units, or the like) and collect information on the user's achievements for individual knowledge units, which may be identified by the knowledge analysis as will be described below.
  • information on the user's basic profile e.g., information on the user's grade, learning courses, learning units, or the like
  • collect information on the user's achievements for individual knowledge units which may be identified by the knowledge analysis as will be described below.
  • the curriculum generation unit 210 may generate a curriculum for the user.
  • the curriculum may be a collection of problems that require understanding of at least one knowledge unit (these problems may be assigned the identification information of the corresponding knowledge units in the form of metadata.), or a collection of problems that require understanding of a particular knowledge chain (these problems, which may be of a specific type, may be assigned the identification information of the corresponding knowledge chain in the form of metadata).
  • the curriculum generation unit 210 may generate a curriculum by selecting the problems composed based on the knowledge units for which the user has shown low achievement, as necessary, in consideration of the following: the information on the user's grade, learning courses, or learning units, together with the grade information, learning course information, or learning unit information of the knowledge units (to this end, the knowledge units may have been previously associated with the grade information, learning course information, or learning unit information by way of tagging or the like.); the difficulty levels of the problems (in this case, the difficulty level may have been previously determined based on, for example, the average of the scores that other users have made on the corresponding problem, as in prior art.); or the number of the knowledge units constituting the problem.
  • the curriculum generation unit 210 may manage the history of the curriculums that have been generated for the user.
  • the knowledge providing unit 220 may provide a user with the problems according to a specific curriculum, and as necessary, provide the user with the problem items, correct answers, explanations, hints, or the like of individual solution steps, or the correct answers to the problems themselves.
  • the knowledge providing unit 220 may provide contents on the knowledge units associated with the answers of the individual solution steps that the user provides as feedback in response to the problems. This will be further described below with reference to FIG. 4 .
  • FIG. 4 illustrates a graphic user interface according to one embodiment of the present invention.
  • the knowledge providing unit 220 may provide the user with Problem A and allow the user to solve the problem item (i.e., sub-problem) provided in each of the solution steps of Problem A.
  • the knowledge providing unit 220 may provide the user with a first sub-problem that asks the user to find the least common multiple of 2 and 3.
  • the knowledge providing unit 220 confirms that it is the correct answer to the first sub-problem.
  • the knowledge providing unit 220 may provide an indication that the user did not make an error in connection with the knowledge unit on “finding a least common multiple” through the knowledge unit display interface B on the left hand side.
  • the knowledge providing unit 220 may provide a second sub-problem that asks the user to turn the equation of Problem A into a form that can be solved more easily.
  • the knowledge providing unit 220 confirms that it is not the correct answer to the second sub-problem.
  • the knowledge providing unit 220 may provide an indication that the user made an error in connection with the knowledge unit on “multiplying both sides of the equation by the same number” through the knowledge unit display interface B.
  • the knowledge providing unit 220 may provide the user with a third sub-problem that asks the user to leave only the term containing the unknown on the left hand side of the equation which would have been the correct answer to the second sub-problem.
  • the knowledge providing unit 220 may confirm that it is the correct answer to the third sub-problem.
  • the knowledge providing unit 220 may provide an indication that the user did not make an error in connection with the knowledge unit on “subtracting the same number from both sides of the equation” through the knowledge unit display interface B.
  • the knowledge providing unit 220 may provide the user with a fourth sub-problem (not shown) that asks the user to finally solve the equation which was the correct answer to the third sub-problem.
  • the knowledge providing unit 220 confirms that it is the correct answer to the fourth sub-problem and Problem A.
  • the knowledge providing unit 220 may provide an indication that the user did not make an error at this time in connection with the knowledge unit on “multiplying both sides of the equation by the same number” (not shown) through the knowledge unit display interface B.
  • the user terminal device 300 is a smartphone or the like, the user may use a mobile key interface C as shown in the drawing in such cases as the user needs to enter his or her answers (of course, the mobile key interface C may be replaced by any known mathematical formula recognition (input) interface).
  • the user knowledge analysis unit 230 may analyze the correctness of the user's answers each time the user enters the answers to the problems or sub-problems, and determine the user's achievements for the individual knowledge units of the corresponding problems or sub-problems.
  • the user knowledge analysis unit 230 may assign a score indicating one success in one attempt (e.g. 1/1) to the user and each of the knowledge units K 1 , K 2 and K 4 constituting the first problem.
  • the user knowledge analysis unit 230 may assign a score indicating two successes in two attempts (e.g.
  • a score indicating one success in one attempt e.g. 1/1
  • a score indicating one success in two attempts e.g. 1/2
  • a score may or may not be assigned to the knowledge unit K 5 .
  • the user knowledge analysis unit 230 may analyze the user's achievements for the corresponding knowledge units more accurately as the user solves more problems of the same or similar types. Accordingly, the curriculum generation unit 210 may generate effective curriculums as described above.
  • the user knowledge analysis unit 230 may also determine the user's achievements for the corresponding knowledge units differently, based on the amount of time that the user spent in solving the problems or sub-problems (e.g., the amount of time between when a problem is first displayed to the user and when the user enters the answer to the problem) and/or the number of hints that the user used to solve the problems or sub-problems. For example, the larger the amount of time that the user spent in solving a problem or sub-problem, or the more the hints that the user used to solve the problem or sub-problem, the lower the user's achievements for the corresponding knowledge units may be determined relatively.
  • the user knowledge analysis unit 230 may update the user's achievement accordingly. For example, if a user solves five problems associated with a certain knowledge unit and gets all the answers right, the user's achievement for that knowledge unit may be 5/5 for the moment. However, the user knowledge analysis unit 230 may adjust the value of the user's achievement to 5/5 ⁇ (1 ⁇ 0.1 ⁇ 1) after one year.
  • the formula used by the user knowledge analysis 230 may be generalized, for example, to “achievement ⁇ (1 ⁇ reduction coefficient ⁇ time period (in years) elapsed from determination of achievement).” Meanwhile, the reduction coefficient used in the above formula may be determined according to a known memory loss curve.
  • the database 240 may store the following: a large number of knowledge units (preferably a large number of organized knowledge units); a large number of problems from which a curriculum may be generated; sub-problems for such problems; correct answers to respective problems or sub-problems; explanations and hints on individual solution steps; information on each user's achievements for individual knowledge units; and so on.
  • a large number of knowledge units preferably a large number of organized knowledge units
  • problems from which a curriculum may be generated
  • sub-problems for such problems correct answers to respective problems or sub-problems
  • explanations and hints on individual solution steps information on each user's achievements for individual knowledge units; and so on.
  • FIG. 3 shows that the database 240 is configured to belong to the education service providing system 200
  • the database 240 may be configured separately from the education service providing system 200 , as needed by those skilled in the art to implement the present invention.
  • the database 240 according to present invention encompasses a computer-readable recording medium, and may refer not only to a database in a narrow sense but also to a database in a broad sense including data records based on a file system or the like.
  • the database 240 according to the present invention may be even a collection of simple logs if one can search and retrieve data from the collection.
  • the communication unit 250 may operate to enable data reception and transmission from/to the curriculum generation unit 210 , the knowledge providing unit 220 , the user knowledge analysis unit 230 , and the database 240 .
  • control unit 260 may operate to control data flow among the curriculum generation unit 210 , the knowledge providing unit 220 , the user knowledge analysis unit 230 , the database 240 , and the communication unit 250 . That is, the control unit 260 according to the present invention may control data flow into/out of the education service providing system 200 or data flow among the components of the education service providing system 200 , such that the curriculum generation unit 210 , the knowledge providing unit 220 , the user knowledge analysis unit 230 , the database 240 , and the communication unit 250 may carry out their particular functions, respectively.
  • the curriculum optimization results in generating a collection of problems suitable for learning, preferably with reference to information on the user's grade or the learning unit, so as to enable the user's intensive and phased learning about the knowledge units for which the user has shown low or medium achievement.
  • the user may solve a first problem composed based on Units (i.e., Knowledge Units) A 1 to E 1 , which belong to one of the four solution steps including problem interpretation, formulation, computation, and answer confirmation (for details on the above solution steps, see the present inventor's Korean Patent Application No. 2009-36153.)
  • Units i.e., Knowledge Units
  • the user knowledge analysis unit 230 may reflect the information on the achievements for the individual knowledge units to the database 240 in real time, which indicates that the user has a good understanding of Units A 1 to C 1 but lacks understanding of Unit D 1 .
  • the user may then solve a second problem composed based on the units except Unit D 1 (i.e., Units A 1 to C 1 and E 1 ). If the user gets the correct answer to the second problem, the information on the achievements for the individual knowledge units, which indicates that the user has a good understanding of Units A 1 to C 1 and E 1 , may be reflected to the database. Meanwhile, after getting the correct answer to the first problem, the user may solve a third problem composed based on more number of knowledge units. In accordance with the result, the information indicating that, for example, the user has shown medium achievement for Unit D 1 and low achievement for Unit B 2 may be reflected. After going through the above procedures several times, the curriculum generation unit 210 may generate an optimized curriculum as shown in FIG. 5 b and provide it to the user.
  • the curriculum generation unit 210 may generate an optimized curriculum as shown in FIG. 5 b and provide it to the user.
  • an achievement matrix for the individual knowledge units may be generated as shown in FIG. 5 c by asking the user to solve various types of problems.
  • the user needs to overcome the low achievement for the knowledge units such as K 7 and K 8 as well as the medium achievement for the knowledge units such as K 7 in order to learn the ninth year courses preliminarily because the above-mentioned knowledge units are considered to be fundamental to (i.e., associated with the knowledge units for) the preliminary learning.
  • the achievement matrix for the individual knowledge units is significantly useful for the curriculum generation unit 210 to identify, with respect to a specific user, the case where the achievements for various knowledge units which are closely associated with each other are generally low or medium, or the case where the knowledge units of the learning units (or grade courses) for which the user has finished learning and shown low or medium achievement are associated with those required for preliminary learning. Therefore, the curriculum generation unit 210 may generate an optimized curriculum with reference to the aforementioned achievement matrix for individual knowledge units.
  • FIG. 7 shows another example of the user achievement matrix according to the present invention.
  • the user's achievements for individual knowledge units may be represented by a three-dimensional achievement matrix.
  • the larger circles in blue indicate the knowledge units for which the user has shown high achievement and the smaller circles in other colors indicate the knowledge units for which the user has not shown high achievement.
  • the associative relationship between the individual knowledge units may be determined, for example, based on the number of knowledge chains to which the knowledge units belong together, and may be represented by the connection of lines.
  • the database 240 may store a significantly large number of knowledge chains (which may be referred to as problem templates.)
  • the knowledge chains may be stored in association with one or more knowledge units, problems (practice problems), explanations on individual solution steps, or the like as described above.
  • FIGS. 6 a to 6 l are textual representations illustrating exemplary knowledge chains of mathematics or science courses and their corresponding knowledge units, problems, explanations on individual solution steps, or the like. It is apparent that the database 240 may store numerous knowledge chains and corresponding knowledge units other than illustrated in FIGS. 6 a to 6 l, as desired by those skilled in the art who implement the database 240 .
  • the embodiments according to the present invention as described above may be implemented in the form of program instructions that can be executed by various computer components, and may be stored on a computer-readable recording medium.
  • the computer-readable recording medium may include program instructions, data files, data structures, and the like separately or in combination.
  • the program instructions stored on the computer-readable recording medium may be specially designed and configured for the present invention, or may also be known and available to those skilled in the computer software field.
  • Examples of the computer-readable recording medium include the following: magnetic media such as hard disks, floppy disks, and magnetic tapes; optical media such as compact disk-read only memory (CD-ROM) and digital versatile disks (DVDs); magneto-optical media such as floptical disks; and hardware devices such as read-only memory (ROM), random access memory (RAM), and flash memory, which are specially configured to store and execute program instructions.
  • Examples of the program instructions include not only machine language codes created by a compiler or the like, but also high-level language codes that can be executed by a computer using an interpreter or the like.
  • the above hardware devices may be changed to one or more software modules to perform the operations of the present invention, and vice versa.

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US13/989,772 2012-02-20 2013-02-20 Method, system, and computer-readable recording medium for providing education service based on knowledge units Abandoned US20140065590A1 (en)

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US14/588,067 US10937330B2 (en) 2012-02-20 2014-12-31 Method, system, and computer-readable recording medium for providing education service based on knowledge units
US17/137,879 US11605305B2 (en) 2012-02-20 2020-12-30 Method, system, and computer-readable recording medium for providing education service based on knowledge units

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KR10-2012-0016748 2012-02-20
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PCT/KR2013/001349 WO2013125861A1 (ko) 2012-02-20 2013-02-20 지식 유닛에 기초하여 교육 서비스를 제공하기 위한 방법, 시스템 및 컴퓨터 판독 가능한 기록 매체

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US20210366299A1 (en) * 2020-05-19 2021-11-25 Enduvo, Inc. Selecting lesson asset information based on a physicality assessment
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US11600196B2 (en) * 2017-03-13 2023-03-07 Vitruv Inc. Method and system for supporting learning, and non-transitory computer-readable recording medium
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