JP2002139984A - Education system and data processing method for education system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an education system which improves the convenience relating to questions and answers. SOLUTION: A question and answer server 1 receives the time stamp in a teaching material detected by the operation of one action, i.e., a mouse clock, during the reproduction of the teaching material at a student terminal 3 as the time stamp to indicate the point of the time of the question in this teaching material together with question contents from the student terminal 3. The question and answer server 1 selects the set of the questions and answers at the point of the time of the question described above or near the same from the sets of the questions and answers previously stored in a question and answer data base 12 in correspondence to the time stamps in accordance with the received time stamp and supplies the same to the student terminal 3. Accordingly, the convenience of the questions and answer in the education system is improved.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an education system for supplying a data stream as a teaching material to a terminal capable of reproducing a data stream including a moving image and a sound, and a data processing method of the education system.

[0002]

2. Description of the Related Art In a conventional server-client type education system, a server uses a CMI (Computer-Managed I).
nstruction) function and all contents (data streams and HTML (Hypertext Markup Lang
uage) format teaching materials, question and answer collections, etc.), while the client uses CBT (Com
It has a putter-based training function and an AICC out-of-scope function (functional interface other than the learning function), so that students receive education using clients.

[0003]

In the above-mentioned conventional educational system, a collection of questions and answers for answering students' questions is managed as documents. The search function is limited to keyword search and free text search for the entire document.

[0004] Therefore, when a student uses a collection of questions and answers, it is necessary to know unique information such as a document configuration and the like, and to understand a unique usage.

[0005] On the other hand, a device has been devised to link a teaching material with a collection of questions and answers.

[0006] This is realized by embedding a link to each question and answer book in an HTML-format teaching material.

[0007] Therefore, when creating the teaching material, the creator assumes a question and prepares an answer, and the belief of the teaching material creator affects the link position, the content of the question, and the content of the answer. It was difficult to properly link the collections.

Further, in a system having a mechanism for answering questions received one by one and adding the contents to a collection of questions and answers, linking from the teaching material at the same timing involves dynamic generation of the teaching material. A large-scale mechanism was required.

[0009] Even with such a system, it has been difficult to prevent unanswered questions from being provided to students.

[0010] Further, in order to find a correction portion of the teaching material, it has been troublesome for the student to point out the correction portion one by one.

That is, in the conventional educational system, the convenience regarding questions and answers is low, and it is difficult to specify a part related to a predetermined request such as a part requiring correction in a data stream as a teaching material.

The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide an educational system that improves the convenience of questions and answers. It is an object of the present invention to provide an educational system in which a part related to a predetermined request in a data stream as a teaching material can be easily specified.

[0013]

According to a first aspect of the present invention, there is provided an educational system for answering a question from a terminal capable of reproducing a data stream as a teaching material. In the educational system to be performed, means for receiving a time stamp in the teaching material detected by an operation during the playback of the teaching material on the terminal together with the content of the question as an indication of the time of the question in the teaching material from the terminal; and Means for selecting a set of questions and answers at or near the time of the question from a set of questions and answers stored in advance in association with the time stamp and supplying the selected set of questions and answers to the terminal. And

According to a third aspect of the present invention, there is provided a data processing method of an educational system for answering a question from a terminal capable of reproducing a data stream as a teaching material. A procedure for receiving a time stamp in the teaching material detected by an operation during playback of the teaching material from the terminal together with the content of the question as an indication of the time of the question in the teaching material, and corresponding to the time stamp in advance based on the received time stamp. And a step of selecting a set of questions and answers at or near the time of the question from the stored sets of questions and answers and supplying the set to the terminal.

Therefore, according to the present invention, the time stamp in the teaching material detected by the operation of one action such as mouse click and keyboard input during the playback of the teaching material is used as the time stamp of the question in the teaching material together with the content of the question. , For example, received from the student terminal,
Further, based on the received time stamp, a question and answer set at or near the time of the question is selected from a set of questions and answers previously stored in the database for question and answer in association with the time stamp. Since it is supplied to the student terminal or the like, the convenience of questions and answers is improved.

[0016] The educational system according to claim 2 of the present invention comprises:
In an educational system that supplies data streams as educational materials to terminals that can play data streams,
Means for appropriately receiving and accumulating a time stamp in the teaching material detected by an operation during reproduction of the teaching material on the terminal from the terminal as indicating a portion related to a predetermined request in the teaching material, and storing the time stamp based on the accumulated time stamp. Means for generating a distribution of the number of requests for locations in the teaching material and supplying the distribution to terminals that need the distribution.

According to a fourth aspect of the present invention, there is provided a data processing method of an educational system for supplying a data stream as a teaching material to a terminal capable of reproducing a data stream. A time stamp in the teaching material detected by the operation during the reproduction being received from a terminal as appropriate to indicate a location related to a predetermined request in the teaching material, and a procedure for accumulating the time stamp, and a time stamp for the location in the teaching material based on the accumulated time stamp. Generating a distribution of the number of requests and supplying the distribution to terminals requiring the distribution.

Therefore, according to the present invention, the distribution of the number of requests such as questions to the points in the teaching material is supplied to the terminal. Easy to do.

[0019]

Embodiments of the present invention will be described below with reference to the drawings.

[First Embodiment] FIG. 1 is a diagram showing a configuration and a use form of an education system according to an embodiment of the present invention. The education system according to the first embodiment shown in FIG. 1 includes a question answering server 1, a streaming server 2, and a student terminal 3.
And the teacher terminal 4 are connected by a private wiring. The student terminal 3 and the teacher terminal 4 shown in FIG. 1 each represent one of a number of terminals. In addition, the education system further includes a mail server (not shown).

The question answering server 1 includes a control section 11 for controlling transmission and reception of questions and answers, and a question answering database 12 for storing questions and answers. In the control unit 11, a student ID and a teacher ID for identifying each student terminal 3 and each teacher terminal 4 are set in advance.

The control section 11 basically stores the contents of the question from the student terminal 3 in the question answer database 12 in association with the question ID for identifying the question and the teaching material ID for identifying the teaching material. At the same time, the answer from the teacher terminal 4 is stored in association with the question ID. Then, a main function of the education system such as generating a question answer list in which questions and answers are associated with each other and supplying the generated list to the student terminal 3 is realized.

Further, the control unit 11 of this embodiment receives from the student terminal 3 the time stamp in the teaching material detected by a click operation during the playback of the teaching material together with the content of the question as indicating the time of the question in the learning material, It is stored in the question answer database 12 in association with the question. Then, based on the received time stamp, the question stored at the question answer database 12 is searched for the question at or near the time of the question and the answer to this question, and a question answer list is supplied to the student terminal 3. . Therefore, the control unit 11 has a means for receiving a time stamp and a means for supplying a reply in the present invention.

The control unit 11 has a function of determining whether or not each terminal is connected to the system, and stores an e-mail address of each terminal. Notifications can be made as necessary or by e-mail.

The streaming server 2 has a CMI (Computer-Managed Instruction) function for managing learning such as course management of learning materials, learning history management, session management, and the like. It also has a teaching material supply function for managing and supplying a data stream (also referred to as content) as a teaching material. FIG. 1 illustrates a teaching material database 21 in which a data stream as a teaching material is stored, and a teaching material transmitting unit 22 that controls transmission of the teaching material, which embodies the above function. The data stream is stored in association with the teaching material ID.

The student terminal 3 and the teacher terminal 4 are computers provided with communication functions for use by students and teachers, respectively. The student terminal 3 is a CBT (Computer-Basic), which is a learning interface for students to learn through teaching materials.
sed Training). On the other hand, the teacher terminal 4
It has a teacher function that is an interface for the teacher to answer questions and the like.

The student terminal 3 is connected to a display device 31 using a CRT or liquid crystal as a display element, a keyboard 32, a mouse 33, and a headset 34. A display device 41, a keyboard 42, a mouse 43, and a headset 44 are connected to the teacher terminal 4, respectively. The headsets 34 and 44 have the functions of a headphone speaker and a microphone, respectively. Student terminal 3
The video of the teaching material is played on the display device 31, while
The sound is reproduced by the speaker of the headset 34.

The student terminal 3 receives a question input from the keyboard 32 or using the microphone function of the headset 34. Further, the student terminal 3 detects the time stamp by indicating a time point of the question by a click operation of the mouse 33. In addition, the student terminal 3 displays the question and answer list provided from the question and answer server 1 on the display device 31. If the question or answer in the list is input by voice, it is displayed on the headset 34. Playback on the speaker.

The teacher terminal 4 displays a list of unanswered questions (unanswered question list) provided from the question answering server 1 on the display device 41, and the questions in the list are input by voice. In this case, this is reproduced by the speaker of the headset 44. In addition, the teacher terminal 4
An answer input from the keyboard 42 or using the microphone function of the headset 44 is received.
Further, when receiving an instruction to input an answer by a click operation of the mouse 43, the teacher terminal 4 transmits the answer to the question answering server 1.

These peripheral devices allow students and teachers to use the educational system. In the present invention, the student terminal 3 and the teacher terminal 4 correspond to terminals capable of reproducing a data stream as a teaching material.

Next, the operation of the first embodiment will be described. FIG. 2 shows a processing sequence of the education system. First, when a student starts the student terminal 3 and performs an operation of selecting a teaching material to be taken, the student terminal 3 requests the streaming server 2 for the teaching material in step S1. At this time, the teaching material ID and student ID
Is sent. In step S <b> 3, the teaching material transmitting unit 22 of the streaming server 2 reads the teaching material (data stream) corresponding to the transmitted teaching material ID from the teaching material database 21 and transmits it to the student terminal 3. And step S
In 5, the student terminal 3 displays the animation of the teaching material on the display device 31.
, While the sound is reproduced by the headset 44.
At this time, the CBT function causes the question button 35 to be displayed on the screen of the display device 31.

If there is an unknown part during the learning using the teaching material, the student clicks the question button 35 during reproduction of the unknown part using the mouse 33 in step S7. At this time, the student terminal 3 detects and stores the time stamp (time information) embedded in the data stream as the teaching material as indicating the question time. Then, in step S9, the student inputs a question to the student terminal 3 by text or voice using the keyboard 32 or the microphone function of the headset 34.

In step S 11, the student terminal 3 transmits the contents of the question and the time stamp to the question answering server 1. Specifically, the teaching material ID, the student ID, and the teacher ID of the teacher in charge of the teaching material are also transmitted at the same time. Step S11 corresponds to a procedure for receiving a time stamp according to the present invention.

In step S13, the control section 11 of the question answering server 1 stores the transmitted question in the question answering database 1
Stored in 2. At this time, a question ID, a teaching material ID,
The student ID and the teacher ID are also stored in association with each other.

Then, in step S15, the control unit 11 of the question answering server 1 uses the received time stamp to select a question near or at the time of the question from among the answers stored in the question answering database 12, Search for an answer. For example, as shown in FIG. 1, when the received time stamp indicates the time when 11:00 seconds have elapsed from the beginning of the 60-minute teaching material, questions 2, 3, and 4 made during 10 seconds before and after the time stamp, The corresponding answers 2, 3, and 4 are searched.

Returning to FIG. 2, in step S17, the control unit 1
1 excludes unanswered ones among the searched ones.
In the following step S19, a question answer list is generated excluding unanswered questions and transmitted to the student terminal 3. Unanswered questions are also displayed to the students, and if there is a question with the same content, step S
It is also possible to omit the process 17 and send a list of all the questions and answers retrieved in step S19 to the student terminal 3.

Therefore, the student can obtain a question at or near his / her own question and an answer to the question using the display device 31 or the headset 34. Therefore, the level of understanding of the teaching materials can be further enhanced. In addition, the student terminal 3 displays a question form and prompts the student to input a new question in case the question is not resolved with respect to this answer. Then, the time stamp, the teaching material ID, the student ID, and the teacher ID at which the input question is transmitted together with the question in step S11.
Is transmitted to the question answering server 1 again. Then, the question answering server 1 stores this in the question answering database 12 as a new question (unanswered question).

Step S31 and the subsequent steps show processing when the teacher makes an answer.

First, when the teacher activates the teacher terminal 4 to operate the question answering function in the teacher function, step S31 is performed.
Then, the teacher terminal 4 requests the unanswered question list from the question answering server 1. Then, in step S33, the control unit 11 of the question answering server 1 searches the question answering database 12 for unanswered questions. Specifically, the corresponding teaching material ID and time stamp are also searched. This step is called question filtering.

Subsequently, in step S37, the control section 11 generates an unanswered question list based on the searched unanswered questions and transmits the list to the teacher terminal 4. In step S37, the teacher terminal 4
Displays the unanswered question list on the display device 41. For example, as shown in FIG. 1, unanswered questions A, B, and C are displayed. If these questions are input by voice, the teacher terminal 4
Play question from speaker. Note that, on the display device 41, an input form of an answer and an input button for inputting the answer to the system are displayed by the teacher function.

When the teacher inputs an answer from the keyboard 42 or using the microphone function of the headset 44, and clicks the input button with the mouse 43 in step S41, the teacher terminal 4 sends the input answer to the question answering server 1 Send to

In step S43, the control section 11 of the question answering server 1 stores the answer from the teacher terminal 4 in the question answering database 12 in association with the question ID.

Therefore, the number of unanswered questions can be reduced, and thereby a more complete answer can be given to the student.

As described above, according to the education system according to the first embodiment, the question answering server 1
The time stamp in the teaching material detected by one action operation of mouse click (may be keyboard input) during the playback of the teaching material at the time is indicated as the time of the question in the teaching material and the student terminal 3 in question.
From the question and answer set stored in advance in the question and answer database 12 in association with the time stamp based on the received time stamp, and the question and answer server 1 Since a set of questions and answers is selected and supplied to the student terminal 3, when a student solves a question, the mouse is used without considering the structure of the question answer collection, keywords, and other auxiliary information necessary for the search operation. The search can be performed by a simple operation of clicking. That is, the trouble of searching is reduced.

In addition, by filtering the questions, only the questions that have not been solved in the past can be limited, and the number of questions to be answered by the teacher can be kept to a minimum.

Conventionally, when preparing a teaching material, it is necessary to prepare a question answer in advance in association with a point of the teaching material. For this purpose, the position of the point on the teaching material is recognized. Although it is necessary to perform tasks such as assuming appropriate questions, the education system of this embodiment eliminates these tasks. In other words, it is possible to eliminate the need for point search of teaching materials and the task of assuming questions.

[Second Embodiment] Next, a second embodiment of the present invention will be described. In this embodiment, it is assumed that the processing in FIG. 2 is performed in the education system having the configuration in FIG. Further, in this embodiment, as shown in FIG.
Is stored in a storage area different from the question answer database 12 in association with the teaching material ID and the time stamp as a question log. further,
The question answer server 1 is provided with a question time distribution generation unit 13 for generating a question time distribution. In the present invention, the control unit 11 and the question time distribution generation unit 13 correspond to a unit that generates a distribution and supplies the distribution to a terminal that needs the distribution.

Next, the operation of the second embodiment will be described. First, the teacher activates the teacher terminal 4 and operates a function of acquiring a question log in the teacher function to designate a desired teaching material. Request. Then, the question time distribution generating unit 13 of the question answering server 1 generates a distribution of the number of questions with respect to the question time for the designated teaching material based on the contents of the question log stored and stored. And the control unit 11
Is transmitted to the teacher terminal 4. For more information,
The corresponding teaching material ID and time stamp are also searched. Subsequently, in step S37, the control unit 11 generates an unanswered question list based on the unanswered questions searched and transmits the unanswered question list to the teacher terminal 4. Then, as shown in FIG.
Displays the distribution transmitted to the display device 41.
It should be noted that by performing a display that emphasizes a portion of the teaching material to which a predetermined number or more of questions have been sent, the teacher can be made aware that the portion needs to be corrected.

As described above, for example, when upgrading the teaching material, it is necessary to correct a mistake or a portion that is difficult to express. According to the education system according to the second embodiment, Since the distribution of the number of requests, such as questions for a location, is supplied to the terminal, it is possible to easily find the location to be corrected. That is, it is possible to reduce the task of extracting the teaching material problems.

In the above embodiment, the LAN (Local Area)
Network), but it is of course possible to configure the system via a public network such as the Internet.

Although the data stream as a teaching material usually includes both a moving image and a sound, it may be either one of them when targeting a student who is blind or hard of hearing. Further, each terminal may play back while receiving the data stream, or may play back after receiving.

In this embodiment, since the teaching material is specified by transmitting and receiving the teaching material ID, it is of course possible to perform the above-described processing in parallel for each of the plurality of teaching materials.

[0053]

As described above, according to the education system or the data processing method according to the present invention, a set of questions and answers at or near the time of the question is selected and supplied to the student's terminal or the like. And the convenience of the answer is improved.

Further, according to the educational system or the data processing method of the present invention, the distribution of the number of requests for the points in the teaching material is automatically generated and supplied to the terminal, so that the points can be easily specified. Therefore, appropriate measures such as correction can be taken for this part.

[Brief description of the drawings]

FIG. 1 is a diagram showing a configuration and a use form of an education system according to a first embodiment of the present invention.

FIG. 2 is a diagram showing a sequence of processing of the education system according to the first embodiment.

FIG. 3A is a diagram showing a partial configuration of an education system according to a second embodiment of the present invention, and FIG.
FIG. 4 is a diagram showing a distribution displayed on a display device 41 of the teacher terminal 4.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Question answer server 2 Streaming server 3 Student terminal 4 Teacher terminal 11 Control part 12 Question answer database 13 Question time distribution generation part 21 Teaching material database 22 Teaching material transmitting part 35 Question button

 ────────────────────────────────────────────────── ─── Continuing on the front page (72) Inventor Takehiko Watanabe F-term (reference) 2C028 BA01 BA02 BA03 BB04 BB05 BB06 BC01 NTT Communicationware Co., Ltd. 1-9-1 Minami, Minato-ku, Tokyo BC05 BD02 BD03 CA12 CB13 DA07 5B075 KK07 ND20 PP10 PP14 PP28 PQ02 PQ04 UU40

Claims (4)

[Claims] 1. An educational system for answering a question from a terminal capable of reproducing a data stream as a learning material, wherein a time stamp in the learning material detected by an operation during reproduction of the learning material at the terminal is used as the learning material. Means for receiving from the terminal together with the content of the question as an indication of the time of the question in, based on the received time stamp, from among a set of questions and answers stored in advance in association with the time stamp, the time of the question Or means for selecting a set of nearby questions and answers and supplying the selected set to a terminal. 2. An educational system for supplying a data stream as a learning material to a terminal capable of reproducing a data stream, wherein a time stamp in the learning material detected by an operation during reproduction of the learning material at the terminal is determined by a predetermined time in the learning material. Means for appropriately receiving and accumulating from the terminal as an indication of the location related to the request, and means for generating a distribution of the number of requests for the location in the teaching material based on the accumulated time stamp and supplying the distribution to the terminal requiring the distribution An educational system comprising: 3. A data processing method of an educational system for answering a question from a terminal capable of reproducing a data stream as a teaching material, wherein a time in the learning material detected by an operation during playback of the learning material on the terminal is provided. A procedure for receiving the stamp from the terminal together with the content of the question as an indication of the time of the question in the teaching material, and, based on the received time stamp, from a set of questions and answers stored in advance in association with the time stamp, Selecting a set of questions and answers at or near the time of the question and supplying the set to the terminal. 4. A data processing method of an educational system for supplying a data stream as a teaching material to a terminal capable of reproducing a data stream, wherein a time stamp in the teaching material detected by an operation during playback of the teaching material at the terminal is used. A procedure for appropriately receiving and accumulating from the terminal as an indication of a location related to a predetermined request in the teaching material, and generating a distribution of the number of requests for the location in the teaching material based on the accumulated time stamp and requiring the distribution. A data processing method for an education system.