JP2001325558A - Compound document data managing method in electronic data storage system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To automatically generate compound document data and constitution information and safely store the constitution information of compound document data and the compound document. SOLUTION: A compound document data storing computer, when receiving a connection request from a compound document data registering computer, performs user authenticating reception processing, and sets the service use right of the user and sends an initial menu when the user is successfully authenticated, and then the compound document data registering computer displays the received initial menu, and sends a compound document data registration request to the compound document data storing computer when the user does compound document data registration instructing operation. The compound document data storing computer having received the service request generates the constitution information of the compound document data, generates the retrieval key information of the compound document data, and registers the constitution information, retrieval key information, and compound document data information and the compound document data storing computer sends registration confirmation information to the compound document data registering computer.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to a storage method for an electronic data storage system. More specifically, the present invention relates to a method for managing electronic data of a compound document including a report and an application filed to a government office or a local government, and attached documents attached thereto.

[0002]

2. Description of the Related Art Ministries and local governments are carrying out the "Administrative Informatization Promotion Plan" aimed at improving the quality of national services and increasing the efficiency of administrative operations. As part of this plan, digitization of methods for receiving and storing filings and applications submitted by citizens is being considered. Since these documents are important documents based on laws and regulations, conventionally, these documents have been handled using paper which has excellent long-term storage properties and is difficult to be tampered with. Therefore, in digitizing these documents,
The question is how to ensure long-term storage and safety.

Conventionally, there has been proposed a method for protecting electronic data from tampering and erasure and for safe storage. For example, Japanese Patent Application Laid-Open No. H11-143361 (“Electronic data storage device, storage system, and storage method”) discloses a method for storing electronic data and authentication information for detecting whether the stored electronic data has been tampered with. There has been proposed an electronic data storage device having a means for creating and a means for attaching and outputting authentication information when outputting electronic data to the outside.

As an example of a method for digitizing paper form data, there is Japanese Patent Laid-Open Publication No. Hei 8-137971 (“Automatic optical disk filing method and form data management device”). Here, a method for registering a character data portion of a form and an image data portion of the form in association with one form is described.

[0005]

[0004] The declarations and applications submitted to ministries and local governments are rarely single documents, and a set of documents including a plurality of attached documents attached to those documents. It is often a document (hereinafter referred to as a compound document). For example, when a salaryman filed a tax return for medical expenses deduction, it is necessary to submit not only a tax return but also a receipt issued by a doctor, a certificate, and a withholding slip issued by the company.

In the prior art, when these compound documents are handled electronically, it is necessary to independently store electronic data of each document constituting the compound document. For example, Japanese Patent Application Laid-Open
Japanese Patent Publication No. 143361 describes a method of storing one electronic data representing one document. Therefore, in order to store a compound document including a report and an attached document attached thereto, the user separately needs to obtain the relation information between the individual documents which are the components of the compound document (hereinafter, the compound information of the compound document). ) And save the information.

As a technique related to a method of automatically creating composition information of a compound document, Japanese Patent Laid-Open Publication No.
No. 1 publication. This is a method of creating correspondence information between character data and image data, which are two electronic forms of one form, and it is impossible to automatically create the composition information of the compound document. it is obvious. SUMMARY OF THE INVENTION It is an object of the present invention to provide a method for automatically creating composition information of compound document data in an electronic data storage system and securely storing the composition information and the compound document.

[0008]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a method for receiving a report or application (hereinafter referred to as "report / application") by accepting a registrant's operation. A plurality of compound document data registration computers for electronically registering compound documents composed of attached documents, and a plurality of compound document data browsing computers for accepting operation of a viewer and providing a function of viewing compound document data; In an electronic data storage system comprising a compound document data registration computer and a compound document data storage computer providing storage and browsing function services to the compound document data browsing computer, and these computers are connected to each other via a communication network, Upon receiving the connection request from the compound document data registration computer, the document data storage computer executes a user authentication reception process, and In this way, set the service use authority of the user, and sends the initial menu, the compound document data registration computer of said displays an initial menu received, accepts the composite document data registration instruction operation from a user,
The compound document data registration request is transmitted to the compound document data storage computer described above, and the compound document data storage computer that has received the service request creates configuration information of the compound document data,
Subsequently, search key information of the compound document data is created, and further, the configuration information, the search key information and the compound document data information are registered, and finally, the compound document data storage computer
The registration confirmation information is transmitted to the compound document data registration computer.

[0009]

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

FIG. 1 shows a system configuration of a system according to an embodiment of the present invention. The electronic data storage system accepts a registrant's operation and electronically registers a compound document consisting of a declaration or application (hereinafter referred to as a declaration / application) and a plurality of attached documents accompanying it. Multi-document data registration computers 108 and 112, a plurality of multi-document data browsing computers 120 for receiving browsing operations and providing a multi-document data browsing function, the multi-document data registration computers and the multi-document data browsing computer Document data storage computer 11 that provides storage and browsing function services to
8. These computers are connected by a communication network 100 and can communicate with each other.

The compound document data registration computer has general-purpose scanner devices 110 and 11 for reading and digitizing paper documents.
4 are connected. The compound document 102 composed of the declaration / application document 104 and the attached document 106 is digitized by the scanner that accepts a user operation, and is stored as individual electronic data in the storage device of the compound document data registration computer.

In the storage device 118 associated with the compound document data storage computer, information on the user who operates the compound document data registration computer and the compound document data viewing computer, information on the registered compound document data, and registration of the compound document data Software for providing service functions to the computer and the compound document viewing computer is stored.

The storage device described above is realized by a magnetic disk, a magneto-optical disk, a semiconductor memory, or the like. In particular, the storage device 118 attached to the compound document data storage computer preferably has a large capacity for storing and managing a large amount of compound document data.

It is preferable that the compound document data storage computer is a computer provided with a network connection device which permits a large number of simultaneous accesses and has a high-speed processing capability. Specifically, a UN with a large computer and multiple central processing units
IX (registered trademark) computer. The compound document data registration computer and compound document data browsing computer operated by the user include input devices such as a keyboard and a mouse, storage devices such as a hard disk and a RAM, output devices such as a CRT display, a liquid crystal display, and a printer, and communication devices. It can be realized by a general-purpose personal computer having a network device. Of course, the present invention is not limited to a personal computer, but may be any computer provided with an input device and an output device for a user, and a communication device.

The communication network 100 is a public network, IS
This can be realized by a communication network such as a wired network such as a DN network or a wireless network using a communication satellite.

It is needless to say that the compound document data registration computer that accepts the user operation may have the function of the compound document viewing computer.

FIG. 2 shows a compound document data storage computer 116.
3 is a diagram showing a processing configuration and a data configuration of software stored in a storage device 118 of FIG. First, the data configuration will be described, and then the software configuration will be described. Finally, an overall image of the processing will be described.

The storage device 118 associated with the compound document data storage computer 116 stores the compound document data registration computer 10
8 and 112 and user information 230 which is information about a user who operates the compound document data viewing computer 120. The compound document data storage computer 116 uses this data to register the compound document data registration computer 108,
The user who operates the computer 112 and the compound document data viewing computer 120 determines whether or not the user has the authority to use the service, and provides an appropriate service function.

In the storage device 118, the compound document data registration computers 108 and 112 that accept user operations are stored.
Configuration information 232 of compound document data registered via
Search key information 23 for registered compound document data
4. Compound document data information 236 is stored.

Further, the storage device 118 stores software for realizing the embodiment of the present invention. The user reception management unit 204 is an interface between the compound document data registration computers 108 and 112 and the compound document browsing computer 120 that accept user operations. Here, the input 200 indicates the input of the compound document data registration computer and the compound document data browsing computer to the compound document data storage computer. The output 202 indicates the output of the compound document data registration computer and the compound document data viewing computer to the compound document data storage computer.

The user reception management unit 204 includes a user authentication process 206 and service proxy processes 208 that mediate communication between the computer that receives a user operation and a service execution unit described later.

Next, a software configuration for realizing the service processing will be described. The compound document data registration unit 210 creates compound document data composition information received from the compound document data registration computer, and writes the compound document data composition information 232 as compound document data composition information creation processing 212. The compound document data search key The process includes a search key information creation process 214 for creating information and registering it as search key information 234, and a compound document data process 216 for registering compound document data as compound document data 236. The compound document data browsing unit 218 reads the compound document data configuration information 232, the search key information 234, and the compound document data 236 in response to a request from the compound document data browsing computer that accepts a user operation. It comprises a search process 220 for realizing a document search and browsing service, and a browsing process 222. 3 to 6
In the following, an example of a data configuration according to an embodiment of the present invention will be described in detail.

FIG. 3 shows a compound document data storage computer 116.
6 is an example of a management table of user information 230 stored in the storage device 118 of FIG. User information management table 3
Reference numeral 00 denotes a user ID field 302 referred to at the time of a user authentication process, a user name field 304 corresponding to the user ID, a password field 306 indicating a user authentication password, and a secret key based on a public key cryptosystem known in the art. It comprises an information field 308, a digital certificate field 310, and a usage right field 312 that defines a user's service usage right. By referring to these pieces of information, the compound document data storage computer 116 can
Since the user who operates the compound document data registration computers 108 and 112 and the compound document data viewing computer 120 can be authenticated and appropriate service use authority can be set, the security of the system can be improved.

Incidentally, as a public key cryptosystem known in the art, there is an RSA cryptosystem by RSA of the United States. Also, the digital certificate is ISO X. 509 Certificate can be used.

FIG. 4 shows a compound document data storage computer 116.
3 is a conceptual diagram when deriving compound document configuration information stored in the storage device 118 of FIG. Assuming that the composite document data is composed of a declaration / application form and three types of attached documents, one element value 408 of the configuration information of the composite document data is a hash value of the declaration / application form data and each attached document data. (Hereinafter, referred to as the hash value of the composite document data). Here, the hash value is obtained by converting target document data using a one-way function such as a well-known technique such as MD5 or SHA1. The hash value is widely known as guaranteeing the uniqueness of the electronic data on which the hash value is based. It is also known that obtaining original electronic data from a hash value generally takes a lot of trouble, and is often used for a method of detecting falsification of electronic data. According to the present invention, the configuration relationship between the declaration / application form and the accompanying documents is uniquely defined by obtaining the hash value of the compound document data as described above. By doing so, the uniqueness of the configuration information of the compound document data is guaranteed, and at the same time, (1) the security is improved, such as easy detection of falsification of the configuration information, and (2) the configuration information is Since the information is obtained by referring to the contents information, there is an effect that the system is flexibly provided, for example, the name and storage position of each component data of the compound document data may be changed.

FIG. 5 shows a composite document data storage computer 116.
9 is an example of a management table of compound document data configuration information 232 stored in the storage device 118 of FIG. The compound document data configuration information management table 500 stores the compound document data registration computer 1
08, 112, a registrant ID field 502 indicating the user operating the compound document data, a compound document data hash value field 504 described with reference to FIG. 4, a compound document obtained by encrypting the hash value of the compound document data using the registrant's secret key information. A data digital signature field 506 and a registration receipt number field 508 for guaranteeing the uniqueness of registration when compound document data is newly registered in the compound document data storage computer. By creating and storing the composite document data digital signature information, it is possible to enhance security such as preventing the falsification of the composite document data and the configuration information of the composite document data.

FIG. 6 shows a composite document data storage computer 116.
6 is an example of a management table of search key information 234 stored in the storage device 118 of FIG. Search key information management table 600
Is a registrant ID field 602 indicating a user who operates the compound document data registration computers 108 and 112, and the date when the compound document data storage computer 116 registered the compound document data received from the compound document data registration computer in the storage device 118. A registration date field 604 indicating the date and a registration receipt number field 606 issued at the time of registration of the compound document data and guaranteeing the uniqueness of the compound document data.

One instance of the compound document data 236 can be realized as one record on a database in which the retrieval key information and the electronic document data of each component are paired.

FIG. 7 shows a compound document data storage computer 116.
4 shows a service processing procedure executed by software stored in the storage device 118 of FIG. In step 702, the authentication processing 206 of the user reception management unit 204 determines that the compound document data registration computers 108 and 112 accept user operations.
And the user identifier and password transmitted from the compound document data viewing computer 120. If the authentication is successful in step 704, the use user reception management unit 204 sets the service use authority of the computer in step 706.
Next, in step 708, the initial menu is transmitted. In step 710, each service proxy process 208 is executed,
The service request transmitted from the computer is received, and the following determination is made (steps 712 and 716).
If the service request is a compound document data registration process, the compound document data registration unit 210 executes the compound document data registration process (step 714). On the other hand, if the request is a compound document data browsing process, a compound document data browsing process is executed (step 718). FIG. 8 shows a detailed procedure of the compound document data registration processing 714 described in FIG. In step 802, compound document data registration request information transmitted from compound document data registration computers 108 and 112 that accept user operations is received. In step 804, it is determined whether the registration request is new registration or update / additional registration. If it is a new registration, at step 806,
The hash value of the declaration / application data received from the compound document data registration computer is obtained. Next, in step 808, the hash values of a plurality of attached documents are obtained. Further, in step 810, a hash value for the sum of these hash values is calculated to obtain a hash value of the compound document data. In step 812, the hash value is encrypted using the secret key of the registrant who operates the compound document data registration computer, and digital signature data of the compound document data is obtained. Subsequently, in step 814, the configuration information of the composite document data is stored in the storage device, and in step 816, search key information corresponding to the composite document data is created and registered.
Finally, the compound document data itself is registered in the storage device (step 818), and registration confirmation information is transmitted to the compound document data registration computer (step 820). Here, the registration confirmation information includes search key information 234 and compound document data configuration information 232. Specifically, there are a registration reception number 606 for uniquely specifying the registered compound document data, a hash value 504 of the compound document data, an electronic signature value 506, and the like.

If the content of the registration request is an update / additional registration request in step 804, the existing compound document data to be operated is specified in step 822. Subsequently, in step 824, the configuration information of the compound document data is updated,
Thereafter, steps 812 and subsequent steps already described are executed.

FIG. 9 shows a detailed procedure of the compound document data browsing process 718 described in FIG. At step 902, the compound document data browsing computer 120 accepting a user operation
Receives the compound document data browsing request information transmitted from. In step 904, it is determined whether the request is a search request. If the request is a search request, a search process is executed in step 906, and a search result is transmitted to the computer (step 9).
08).

If it is determined in step 904 that the request is not a search request, it is determined in step 910 whether the request is a detailed display request of compound document data for the search result. If it is determined that the request is a detail display request, in step 912, compound document data is obtained. In step 914, the configuration information of the compound document data is verified. The verification result of the compound document data and the configuration information is sent to the computer. Send (Step 91)
6). Here, the verification of the configuration information of the compound document data means
This refers to a digital signature verification process (certification process), which is a known technique. In the present invention, this corresponds to a verification process for a digital signature of compound document data.

Subsequently, referring to FIGS. 10 to 13, the compound document data registration computer 108, 1
12, a screen example of the compound document data viewing computer 120 is shown. Here, an OS with a window system (Op
The description will be made as an application screen of the “Eraging System”.

FIG. 10 shows the compound document data registration computer 10.
8 and 112 show examples of compound document data registration screens. The compound document data registration screen 1000 includes a text box area 1004 for storing the name of the declaration / application data, a list box area 1008 for storing the name of the attached document, and a registration type (there are three types: new, modified, and added). ) Exists in the check box area 10012. In the check box 1012, when the registration type is “correction” or “addition”, there is a text box area in which the registration reception number already issued from the compound document data storage computer 116 is entered.

Buttons 1006 and 1010 accept a user's pressing operation with an input device such as a mouse.
A child window for selecting a file on the storage device in the computer in which the declaration / application form data and the attached document data, which have been digitized by the scanners 110 and 114 in advance, are stored is activated. The child window activated by button 1006 is a window for selecting declaration / application data. On the other hand, the window activated by button 1010 is a window for selecting attached document data.

A button 1014 accepts a press operation of the user and starts a process of requesting registration of compound document data composed of the selected report / application form data and attached document data.

The vertical scroll area 1002 is a vertical scroll area for a display area provided in a general window system.

FIG. 11 shows a compound document data browsing computer 12.
11 shows an example of a compound document data search screen of No. 0. The compound document search screen 1100 has a registrant name text box 1104 for receiving an input of search key information from the user, a registration date range designation text box 1106, and a registration receipt number text box 1110. A button 1112 activates a process for requesting a search based on the input search key information. A button 1114 is used for the compound document data search screen 1
Activate the process of discarding 100.

The vertical scroll area 1102 is a vertical scroll area for a display area provided in a general window system.

FIG. 12 shows a compound document data browsing computer 12.
11 shows an example of a compound document data search result list screen of No. 0. The compound document data search result list screen 1200 has a text label 1206 for displaying search conditions and the number of search hits, and a table area 1208 for storing summary information of search hit targets. Here, the outline information of the search hit target indicates a registrant name of a compound document data, a declaration / application name, an attached document name, and the like. HTML labels, which are well-known technologies, are embedded in the text labels of these names, and detailed information of data is displayed by a pressing operation from the user.

A button 1210 activates processing for transitioning to the search screen 1100. A button 1212 activates a process of discarding the compound document data search result list screen.

FIG. 13 shows the compound document data browsing computer 12.
11 shows an example of a composite document data detail display screen of No. 0. The compound document data detail display screen 1300 is a detailed display screen of compound document data registered by Taro Taro that is displayed in the table area 1208 of the compound document data search result list screen 1200 in FIG. Text label 1306 is the name of the registrant of the compound document data. Declaration form information display area 1308
, The report data is displayed as image information.
Attached document information display area 1310, 1312, 131
At 41316, attached document data accompanying the declaration is displayed as image information. Text area 1
In 318, the configuration information of the displayed composite document data and the hash value of each document data are displayed.

As described above, as an embodiment of the present invention, a composite document composed of a declaration / application submitted to a government office or a local government and an attached document has been described as an example, but the present invention is not limited to this. In another example, a business-to-business EDI (Electo
There is a compound document including an EDI slip transmitted / received by a rnic data interchange system and customer code master information and product code master information positioned as attached documents. Also, in the embodiment of the present invention, it has been described that the paper compound document is digitized by the scanner 110, but an electronic document having an electronic form from the beginning (for example, electronic form document data created by accounting software)
However, it is clear from the description of FIG.

[0044]

As described above, according to the present invention, since the composition information of the compound document data is automatically created, it is possible to save the trouble of manually creating the composition information of the compound document data separately. It is.

Further, the present invention uniquely defines the structural relationship between the declaration / application form and the accompanying document attached thereto by obtaining the hash value of the compound document data. By doing so, the uniqueness of the configuration information of the compound document data is guaranteed, and at the same time, (1) the security is improved, such as easy detection of falsification of the configuration information, and (2) the configuration information is Since the information is obtained by referring to the contents information, there is an effect that the system is flexibly provided, for example, the name and storage position of each component data of the compound document data may be changed.

[Brief description of the drawings]

FIG. 1 is a configuration diagram of a system showing an embodiment of the present invention.

FIG. 2 is a diagram illustrating a software configuration and a data configuration example of a compound document data storage computer according to the embodiment of the present invention.

FIG. 3 is a diagram showing an example of a user information management table stored in a compound document data storage computer.

FIG. 4 is a conceptual diagram illustrating configuration information of compound document data.

FIG. 5 is a diagram showing an example of a compound document data configuration information management table stored in a compound document data storage computer.

FIG. 6 is a diagram showing an example of a search key information management table stored in a compound document data storage computer.

FIG. 7 is an overall processing flowchart of a compound document data storage computer.

FIG. 8 is a flowchart of a compound document data registration process of the compound document data storage computer.

FIG. 9 is a flowchart of a compound document data browsing process of the compound document data storage computer.

FIG. 10 is a diagram showing an example of a compound document data registration screen of the compound document data registration computer.

FIG. 11 is a diagram showing an example of a compound document data search screen of the compound document data viewing computer.

FIG. 12 is a diagram showing an example of a compound document data search result list screen of the compound document data viewing computer.

FIG. 13 is a diagram showing an example of a compound document data detail display screen of the compound document data viewing computer.

[Explanation of symbols]

100 communication network, 102 compound document, 10
8, 112 ... Compound document data registration computer, 110, 11
4 ... Scanner, 116 ... Compound document data storage computer, 1
20: compound document data viewing computer; 200: input of compound document data registration computer and compound document data viewing computer to compound document data storage computer; 202: compound document data registration computer and compound document data viewing computer to compound document data storage computer Output, 204: User reception management unit, 210: Composite document data registration unit, 218: Composite document data browsing unit

 ────────────────────────────────────────────────── ─── Continuing from the front page (72) Inventor Hirotoshi Ise 890 Kashimada, Saiwai-ku, Kawasaki-shi, Kanagawa F-term in the Service Division, Hitachi, Ltd. 5B049 AA05 BB00 DD01 EE05 FF01 GG02 5B075 KK07 ND03 NK45

Claims (5)

[Claims] Claims: 1. Receiving a registrant's operation and electronically registering a compound document composed of a declaration or application (hereinafter referred to as a declaration / application) and a plurality of attached documents attached thereto. A compound document data registration computer, a plurality of compound document data browsing computers that accept browsing operations and provide a function of browsing compound document data, and a storage and browsing function in the compound document data registration computer and the compound document data browsing computer. In an electronic data storage system that is composed of compound document data storage computers that provide services, and these computers are connected to each other via a communication network, the compound document data storage computer receives a connection request from the compound document data registration computer. Executes the user authentication reception process, and if the user authentication is successful, sets the user's service use authority and initializes the initial menu. Menu, the compound document data registration computer displays the received initial menu, and upon receiving a compound document data registration command operation from the user, transmits a compound document data registration request to the compound document data storage computer. The compound document data storage computer that has received the service request creates composition information of the compound document data, subsequently creates search key information of the compound document data, and further includes the configuration information, the search key information, and the compound document data. Registering information, and finally, the compound document data storage computer transmits registration confirmation information to the compound document data registration computer, the compound document data management method in the electronic data storage system. 2. The compound document data management method in the electronic data storage system according to claim 1, wherein the step of creating the configuration information of the compound document data comprises: a declaration / application received from the compound document data registration computer. Calculating the hash value of the document data, obtaining the hash values of a plurality of attached documents, obtaining the hash value for the sum of these hash values, using the secret key of the registrant operating the compound document data registration computer. A compound document data management method in an electronic data storage system, characterized by encrypting a hash value. 3. The compound document data management method in the electronic data storage system according to claim 1, wherein the compound document data storage computer attaches compound document data registration request information received from the compound document data registration computer. A compound document data management method in an electronic data storage system, characterized in that, in the case of a document data addition request, existing compound document data to be operated is specified, and configuration information of the corresponding compound document data is updated. 4. The compound document data management method in an electronic data storage system according to claim 1, wherein said compound document data storage computer reports compound document data registration request information received from said compound document data registration computer. / A compound document data management method in an electronic data storage system, characterized in that in the case of a request for correction of application data, the existing compound document data to be operated is specified and the configuration information of the corresponding compound document data is updated. 5. A plurality of compound document data registration computers for accepting an operation of a registrant and electronically registering a compound document composed of a declaration / application form and a plurality of attached documents attached thereto, and an operation of a viewer. And a compound document data browsing computer that provides a function of browsing compound document data, and a compound document data storage computer that provides storage and browsing function services to the compound document data registration computer and the compound document data browsing computer. In addition, in an electronic data storage system in which these computers are connected to each other via a communication network, when a compound document data detailed display command is received from a viewer, the compound document data browsing computer receives the compound document data detailed display command information. To the compound document data storage computer,
The compound document data storage computer receiving the instruction information acquires the corresponding compound document data, further verifies the configuration information of these compound documents, transmits a detailed search result to the compound document data viewing computer, and transmits the data. The compound document data management method in the electronic data storage system, wherein the received compound document data browsing computer presents these search results to the user.