JP2002297866A - Questionnaire system using internet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a questionnaire system using the Internet in which secondary use of digital raw material being used in a questionnaire and leakage thereof can be prevented and load sharing is performed. SOLUTION: This questionnaire system characterized in that it is provided with a questionnaire server for storing a ciphered questionnaire file and a ticket server for storing a ticket for decoding the questionnaire file, and secondary use of digital raw material being used in the questionnaire and leakage thereof can be prevented, and load sharing is performed. The questionnaire answerer is given the ticket for decoding the questionnaire file from the ticket server, thereby being enabled to answer the questionnaire. Thus, the digital raw material is enciphered, whereby saving, copying, cutting, pasting, printing and screen capture of the enciphered digital raw material can't be performed on the terminal of the questionnaire answerer, and the digital raw material can't be stored in the non-ciphered state in the primary and secondary storage areas on the terminal of the questionnaire answerer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a questionnaire system using the Internet, in which secondary use and leakage of digital materials such as moving images, still images, and sounds used in questionnaires are prevented and load is shared.

[0002]

2. Description of the Related Art Conventionally, in a questionnaire conducted using the Internet, digital materials such as moving images, still images, and sounds used in the questionnaire have been distributed in an unencrypted state.

[0003]

However, in the above-mentioned method, the digital materials used for the questionnaire are released on the Internet by the questionnaire respondents, distributed to an unspecified number of people, stored, copied, cut, and pasted. At the same time, there is a problem that it can be freely processed and used freely by attaching, printing, screen capturing, etc. Digital materials that can be used in Internet questionnaires, There was a problem in that it was limited to those that had no problem even if they were used next time, resulting in a loss of opportunity for questionnaires conducted using the Internet.

[0004] In addition, when digital materials are used in a questionnaire, the size of the questionnaire file increases, especially when the access from the respondents is concentrated to download the questionnaire file, such as immediately after the start of the questionnaire. There is a problem that the load on the server increases.

The present invention has been made in view of such a background, and is based on the Internet in which secondary use and leakage of digital materials such as moving images, still images, and sounds used in questionnaires are prevented and load is shared. The purpose of the present invention is to provide a questionnaire system and appropriately control the answer procedure in order to secure the accuracy of the questionnaire.

[0006]

According to a first aspect of the present invention, there is provided a questionnaire server comprising: a questionnaire server for storing an encrypted questionnaire file; and a ticket server for storing a ticket for decrypting the questionnaire file. The present invention provides a questionnaire system via the Internet, characterized in that secondary use and leakage of digital materials such as moving images, still images, audio, etc., used for the above are prevented and load sharing is performed.

According to a second aspect of the present invention, in the questionnaire system using the Internet according to the first aspect, it is possible to answer the questionnaire by receiving a questionnaire file access ticket from the ticket server. Features.

According to a third aspect of the present invention, there is provided an Internet-based questionnaire system according to the first or second aspect, wherein digital materials such as moving images, still images, and voices used in the questionnaire are encrypted and stored on a terminal of a questionnaire respondent. , The encrypted digital material cannot be stored, copied, cut, pasted, printed, or screen-captured.

[0009] The invention according to claim 4 is the invention according to claims 1 to 3.
The digital questionnaire system according to any one of the above, wherein the digital material cannot be stored in an unencrypted state in a primary storage and a secondary storage area on a terminal of the questionnaire respondent.

[0010] The invention according to claim 5 is the invention according to claims 1 to 4.
In the internet-based questionnaire system according to any one of the above, when the questionnaire respondent answers the questionnaire, the questionnaire subject's intention is provided by providing the questionnaire file access ticket to the questionnaire respondent in the order specified by the ticket server. The digital material can be browsed or answered in a questionnaire in the same order.

[0011] The invention according to claim 6 is the invention according to claims 1 to 5.
In the questionnaire system using the Internet according to any of the above, when the respondent to the questionnaire responds to the questionnaire, by limiting the number of times the ticket is provided to the same respondent to the number specified by the questionnaire subject, as intended by the questionnaire subject The number of times of reproduction of the digital material can be limited, and a questionnaire can be answered.

[0012] The invention according to claim 7 is the invention according to claims 1 to 6.
In the questionnaire system using the Internet according to any one of the above, when a questionnaire respondent answers the questionnaire, the time interval for providing each ticket is limited to a time specified by the questionnaire subject or more, so that the digital The questionnaire can be answered after the material is reliably brought into contact with the questionnaire respondent until the end. In the invention described in claim 8, the number of times the ticket is provided can be individually specified for each ticket. According to the ninth aspect, the time interval at which the ticket is provided can be individually specified for each ticket.

A digital material such as a moving image, a still image, and a sound used in a questionnaire conducted on the Internet is subjected to a process that cannot be secondarily used by a questionnaire respondent. , Which includes response error check information, branch control information, page switching information, and display control information, and is provided as an encrypted file to questionnaire respondents via a download via the Internet or stored in a storage medium. . Surveyor respondents can start the survey by double-clicking this file after launching the survey software.

Further, by encrypting the questionnaire file including the digital material so that the questionnaire cannot be answered without a ticket for decryption, the respondent can download the questionnaire even before the survey is started. I do.

[0015]

DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the drawings.

<Description of Configuration> FIG. 1 is a block diagram showing the configuration of a questionnaire system using the Internet according to an embodiment of the present invention. The Internet questionnaire system of the present invention includes a questionnaire subject terminal 1, a questionnaire server 2, a ticket server 3, and a questionnaire respondent terminal 4.

The questionnaire subject terminal 1 requests a questionnaire respondent for a questionnaire response, generates a questionnaire file and software dedicated to the questionnaire, transmits the file to the questionnaire server 2, and sends a questionnaire file access ticket to the questionnaire file. This is a device for transmitting to the server 3.

The questionnaire server 2 is a device that stores the generated questionnaire file and software dedicated to the questionnaire, and stores the questionnaire that has been answered by the questionnaire respondent.

The ticket server 3 is a device for storing a questionnaire file access ticket.

The questionnaire respondent terminal 4 downloads a questionnaire file from the questionnaire server 2, downloads a questionnaire file access ticket from the ticket server 3, answers the questionnaire, and transmits the answered questionnaire to the questionnaire server 2. It is.

<Description of Operation> The operation of the embodiment of the present invention will be described with reference to FIGS.

FIG. 2 is a flowchart showing the flow of operations related to the questionnaire. In step S1 (hereinafter simply referred to as S1 etc.) of this figure, the questionnaire subject uses the questionnaire subject terminal 1 to ask questions, options, moving images, still images, audio, answer error check information, branch control information,
Create an encrypted questionnaire file by integrating page switching information and display control information.

In S2, the questionnaire file generated in S1 is stored in the questionnaire server 2.

In step S 3, the software dedicated to the questionnaire is stored in the questionnaire server 2.

In S4, the ticket for accessing the questionnaire file is stored in the ticket server 3.

Next, FIG. 3 is a flowchart showing a flow of operations related to the questionnaire respondent. In S11 of this figure, the questionnaire respondent downloads a questionnaire file and questionnaire-dedicated software from the questionnaire server 2 using the questionnaire respondent terminal 4 in response to the requested questionnaire.

In step S12, the questionnaire respondent terminal 4 starts software for questionnaire.

In S13, a questionnaire file access ticket is downloaded from the ticket server 3.

In S14, the questionnaire file is activated on the questionnaire respondent terminal 4 via the questionnaire file access ticket, and the questionnaire is answered.

In S15, the answered questionnaire is transmitted to the questionnaire server 2, and a series of operations is completed.

Next, control of the answer procedure used for the questionnaire will be described. When conducting a questionnaire, there is a demand to strictly control the answer procedure. For example: ・ Control the number of times data is played back to reflect the respondent's first impression on the evaluation target data in the response result. ・ Specify the order of viewing and answering the evaluation target data.
Controlling the order in which the answer is made only in that order, or performing time control for ensuring that the respondent browses the data until the end of data reproduction when the data to be evaluated is a moving image or a sound. By realizing such control, the reliability of the questionnaire results can be improved, and the control of the answer procedure stored in the capsule in an encrypted state, such as a moving image or a sound to be evaluated, is concrete. The operation is performed as follows.

First, FIG. 4 is a diagram for explaining data reproduction number control. ACL (Access Control Lis) issued from the ticket server corresponding to page A in FIG.
t: File that defines usage conditions included in the ticket)
Is set so that once a moving image is reproduced, the ticket is discarded. ACSF (Access Contr
ol Support Framework: A framework for determining usage conditions when a survey respondent makes a usage request, enabling dynamic setting of usage conditions by calling a function at the time of matching a usage request with an ACL on a ticket server, The algorithm for determining the use condition is made into a part, and the desired part is called at the time of calling, so that the means for determining the use condition can be easily changed or added). When the ticket request for A is received, the ticket issuance history for the respondent is searched from the ticket issuance log database, and if a ticket for reproducing the moving image of page A has been issued in the past, the issuance of the ticket is rejected. To do.

FIG. 4B is a flowchart of the operation of controlling the number of times of data reproduction. When a ticket A for viewing page A in FIG. 4A is requested in S21, execution of a number control routine is requested in S22. You. In S23, the issuance history of ticket A is searched. If there is no issuance history, ticket A can be issued in S24 to view page A. However, if there is an issuance history, the issuance of ticket A is rejected in S25. Cannot see page A.
With this control operation, the number of times of reproduction of the moving image on page A can be strictly limited to one.

FIG. 5 is a diagram for explaining order control of answers to questions. For example, when the ticket request for page C in FIG. 5A is received using ACSF, the ticket issuing log database is searched for the ticket issued immediately before for the respondent who made the ticket request. If the ticket is for, issuance of the ticket is permitted.

FIG. 5B is an operation flow chart for controlling the answer order. When a ticket C for viewing the page C of FIG. 5A is requested in S31, execution of the order control routine is requested in S32. . In S33, the immediately preceding ticket issuance history is searched. If there is an issuance history of the ticket B corresponding to the immediately preceding page B, the ticket C is issued and the page C can be viewed in S34. If there is no issuance history of ticket B, issuance of ticket C is rejected in S35 and page C
Can not see. From this control operation, only the respondent who has completed the questionnaire for the moving image of the previous page cannot reproduce the moving image of the next page, and the answer order of the questionnaire can be controlled.

FIG. 6 is a diagram for explaining time control of page browsing. When a ticket request for page E in FIG. 6A is received, the ticket issuing time for page D of the respondent is searched and compared with the time when the ticket request for page E is received. At this time, if the reproduction time of the page D has not elapsed, the issuance of the ticket is rejected, and after the reproduction of the evaluation target data is completed, a question on the data is viewed.

FIG. 6B is an operation flowchart of time control.
When a ticket E for viewing page E is requested in S41, execution of a time control routine is requested in S42. In S43, the issuance history of the ticket D for viewing the page D is searched, and in S44, the request time of the ticket E is compared with the issuance time of the ticket D. S
If the elapsed time from the ticket D issue time to the ticket E request time is longer than the page D playback time at 45, the ticket E can be issued and the page E can be viewed at S46, and the elapsed time is longer than the page D playback time. If not, ticket E
Is rejected and page E cannot be viewed. This control operation enables time control between pages.

The operation of one embodiment of the present invention has been described above in detail with reference to the drawings. However, the present invention is not limited to this embodiment, and a design change or the like may be made without departing from the gist of the present invention. The present invention is also included in the present invention.

[0039]

As described above, according to the present invention, the questionnaire file is encrypted and the ticket for decrypting the questionnaire file is stored in a server different from the questionnaire file. The effect can be obtained.

(1) It is possible to prevent saving, copying, cutting, pasting, printing, and screen capture of digital materials such as moving images, still images, and audio used on a questionnaire on a terminal used by a questionnaire respondent. As well as
It is possible to prevent the data from being left unencrypted in the primary storage and the secondary storage area.

(2) The range of digital materials, such as moving images, still images, and voices, that can be used for questionnaires on the Internet is expanded, and business opportunities for questionnaires on the Internet are expanded.

(3) Moving pictures, still pictures,
Even if digital materials such as audio are illegally accessed, they will not be leaked unless there is a ticket for decryption.

(4) The number of presentations and the order of presentation of digital materials such as moving images, still images, and audio and question items can be set for each respondent, and the questionnaire can be answered as intended by the questionnaire.

(5) A log of the access status of digital materials such as moving images, still images, and voices and the status of questionnaire responses can be collected.

(6) A questionnaire respondent can answer a questionnaire on a general-purpose Web browser.

(7) By encrypting the questionnaire file, it is only necessary to download only a ticket having a very small capacity as compared to the questionnaire file after the questionnaire is started. It is possible to prevent the concentration of accesses from the respondents, and to reduce the load on the server.

[Brief description of the drawings]

FIG. 1 is a block diagram showing a configuration of a questionnaire system using the Internet according to an embodiment of the present invention.

FIG. 2 is a flowchart showing a flow of operations related to the questionnaire subject.

FIG. 3 is a flowchart showing a flow of an operation related to a questionnaire respondent.

FIG. 4 is a view for explaining data reproduction number control.

FIG. 5 is a diagram illustrating order control of answers to questions.

FIG. 6 is a diagram illustrating time control of page browsing.

[Explanation of symbols]

 1. Terminal for questionnaire subject 2. Questionnaire server 3. Ticket server 4. Terminal for questionnaire respondents

Continuing on the front page (72) Inventor: Sumitaka Okaki 5-7-1 Shiba, Minato-ku, Tokyo Inside the NEC Corporation (72) Inventor Masayuki Nakae 5-7-1, Shiba, Minato-ku, Tokyo NEC Corporation Within the company (72) Inventor Tadashi Hosomi 5-7-1 Shiba, Minato-ku, Tokyo NEC Corporation (72) Inventor Mikiya Tani 5-7-1 Shiba, Minato-ku, Tokyo NEC Corporation (72) Inventor Shunji Ichiyama 5-7-1 Shiba, Minato-ku, Tokyo Within NEC Corporation

Claims (9)

[Claims] 1. A questionnaire server that stores an encrypted questionnaire file when a questionnaire respondent answers the questionnaire by playing back the encrypted questionnaire file and answering the questionnaire, and decrypts the questionnaire file. And a ticket server that stores tickets for accessing questionnaire files to prevent the secondary use, leakage, and load sharing of digital materials such as videos, still images, and audio used in questionnaires. Internet-based questionnaire system. 2. The questionnaire according to claim 1, wherein the questionnaire file access ticket is given from the ticket server to the questionnaire respondent terminal so that the questionnaire can be answered. Questionnaire system. 3. On the terminal for questionnaire respondents, save, copy, and save digital materials used in the questionnaire.
3. The questionnaire system according to claim 1, wherein cut-out, pasting, printing, screen capture, and the like cannot be performed. 4. The apparatus according to claim 1, wherein the digital material cannot be stored in an unencrypted state in a primary storage and a secondary storage area on a terminal of the questionnaire respondent. Questionnaire system by Internet described. 5. When a questionnaire respondent answers the questionnaire, the questionnaire file access ticket is provided to the questionnaire respondent in the order specified by the ticket server, so that the questionnaire respondent answers the questionnaire. The questionnaire system using the Internet according to any one of claims 1 to 4, wherein the material can be browsed and a questionnaire can be answered. 6. When a questionnaire respondent answers a questionnaire, the number of times the ticket is provided to the same respondent is limited to the number specified by the questionnaire subject, thereby reproducing the digital material as intended by the questionnaire subject. The Internet-based questionnaire system according to any one of claims 1 to 5, wherein the number of times can be limited and a questionnaire can be answered. 7. When the questionnaire respondent answers the questionnaire, the time interval for providing each ticket is limited to a time specified by the questionnaire subject or more, so that the digital material is sent to the questionnaire respondent as intended by the questionnaire subject. 7. The questionnaire system on the Internet according to claim 1, wherein the questionnaire can be answered after the contact is securely made until the end. 8. The Internet-based questionnaire system according to claim 6, wherein the number of times the ticket is provided can be individually specified for each ticket. 9. The questionnaire system using the Internet according to claim 7, wherein a time interval for providing the ticket can be individually designated for each ticket.