JPH11345179A - Method and system for managing data, constituent apparatus and recording media - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a data managing device capable of unitary data management, without depending on the connection style of a computer system to a network. SOLUTION: A data managing server 30 analyzes an access command from a client 10 as a mobile data processor with an access processing part 32 and performs the input/output of correspondent shared data to a data file 34 through a data managing part 33. The data managing part 33 applies access right information containing the validity of the download requested client 10 with respect to the shared data. Moreover, the data managing part 33 monitors the access validity of the client 10 based on the relevant access right information, and if it is within the term of validity based on the upload request from the client 10, the correspondent shared data and the access right information of the relevant data are updated.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improved method for efficient data management in a mobile computing environment, that is, a computing environment using an unstable and low-speed network.

[0002]

2. Description of the Related Art For a public network such as the Internet or a network in an office constructed by a wired network,
Portable computers and PDAs (Personal Digital A
2. Description of the Related Art A data communication mode is known in which a portable mobile terminal represented by a ssistant is used to connect to a network from a remote location (hereinafter, remote access) and use resources in an office network environment. For this remote access, for example, a modem is attached to a mobile terminal, and a mobile phone network or a PHS (Personal H
This is performed by connecting to a mobile communication network such as an andy Phone System (PHS network).

[0003] Further, when data communication is performed by connecting to a wired network via a mobile communication network, a remote access server that executes processing related to remote access is provided on the wired network side, and the remote access server is connected to the remote access server. Generally, communication connection processing is performed. The mobile terminal is perceived as equivalent to a machine connected to a wired network via the remote access server, and can perform data communication. In this case, a communication environment is realized between the remote access server and the mobile terminal via a dedicated communication protocol.
PPP (Point to Point Protocol) and SLIP (Serial
Line Internet Protocol) is known as a typical communication protocol.

In the above environment, for example, when accessing shared data arranged on a specific information server, the mobile terminal first connects to a network to download the data, After the download is completed, the connection to the network is temporarily disconnected, and data editing or the like is performed in the mobile terminal. After the editing, the mobile terminal generally connects to the network again and uploads the edited data to the information server.

[0005]

By the way, in the access from the mobile terminal to the shared data as described above, once the shared data in a specific information server or the like is downloaded, the copied data for the original data is downloaded. Was to be edited. For this reason, after disconnection from the network, there is a problem that the original data in the information server is updated by another user or the like during the copy data editing in the mobile terminal.

In addition, despite the fact that the original data has been updated, since the mobile terminal is not connected to the network, the consistency with the original data is lost due to the continued editing of the previous copy data. There was a problem that was.

[0007] Further, since the copy data after the editing is completed in the mobile terminal is uploaded to the information server, the original data is overwritten. Therefore, during the period from the download to the upload, the original data is transferred to another user. If the update has been performed, the update result is lost.

Further, due to problems inherent in data communication in a mobile terminal such as low communication quality and communication speed, high operation cost, and communication inability due to existence of a dead zone in communication, for example, The line was disconnected during data editing between the server and the information server, and it was difficult to maintain a constant connection to the network using a mobile terminal from outside.

Such a problem commonly occurs in a data management system in an environment in which data access is performed between a mobile terminal and various servers on a wired network side. SUMMARY OF THE INVENTION It is an object of the present invention to provide an improved data management method that enables unified data management without depending on a connection form of a computer device to a network. Another object of the present invention is to provide a data management system suitable for implementing the data management method. Another object of the present invention is to provide a recording medium for causing the above-described data management method and system to function on a general-purpose computer device.

[0010]

According to a data management method of the present invention for solving the above-mentioned problems, the transmission of shared data sharable in a mobile communication environment is triggered by the completion of transmission to the requesting source of the shared data. Granting the access right including the validity period of the acquisition request source, receiving the shared data edited from the acquisition request source based on the access right, and, upon completion of the reception, the corresponding shared data Erasing the access right granted by updating with the edited shared data,
The shared data is centrally managed based on the access right.

The valid time period in the access right is, for example, information for relatively determining the access elapsed time of the acquisition request source for the shared data.

According to another aspect of the present invention, there is provided a data management system that manages shared data held in a sharable manner, and a plurality of mobile management devices that perform editing processing on the shared data. A data processing device is connected via a mobile communication network to enable two-way communication. In this data management system, the data management device transmits the same data as the shared data corresponding to the data acquisition request from the mobile data processing device to the mobile data processing device, and upon completion of the transmission, An access right granting unit for granting access right information including an access validity period of the mobile data processing device to the shared data; and a sharing device which is triggered by the completion of the editing process in the mobile data processing device. A shared data update unit that receives update data corresponding to the data update request, and updates shared data corresponding to the update data and access right information for the shared data in the own apparatus.

According to another data management system of the present invention, a mobile communication network includes one or more data management devices for managing the shared data and a plurality of mobile data processing devices for performing an editing process on the shared data. It is connected so that two-way communication is possible. The mobile data processing device transmits a data acquisition request for the shared data from an operator to the data management device and receives the corresponding shared data, and performs an editing process while holding the received shared data. And a means for transmitting, to the data management device, a data update request for the shared data and update data including a result of the editing when the editing process for the received shared data is completed.

According to another aspect of the present invention, there is provided a recording medium connected to a plurality of mobile data processing apparatuses via a mobile communication network so as to be capable of two-way communication, and shared by the plurality of mobile data processing apparatuses. A recording medium that is read by a computer device that manages the shared data held as possible, and that records a program that causes the computer device to function as a data management device.
The following process is performed by the computer device. (1-1) The same data as the shared data corresponding to the data acquisition request from the mobile data processing device is transmitted to the mobile data processing device, and upon completion of the transmission, the shared data is transmitted to the mobile data processing device. A process of giving access right information including an access validity period of the mobile data processing device, and (1-2) responding to a shared data update request triggered by the completion of the editing process in the mobile data processing device. A process of receiving the update data and updating the shared data corresponding to the update data and the access right information for the shared data in the own device.

Another recording medium of the present invention is read by a computer device connected to a data management device for managing shared data held sharably so as to be capable of two-way communication via a mobile communication network, A recording medium that records a program that causes the computer device to function as a mobile data processing device, wherein the program includes at least:
The following process is performed by the computer device. (2-1) a process of transmitting a data acquisition request for the shared data from the operator to the data management device and receiving the corresponding shared data, and (2-2) holding and editing the received shared data. Process, (2-3) a process of transmitting, to the data management device, a data update request for the shared data and update data including the edited result upon completion of editing of the received shared data.

The programs recorded on these recording media can be used as programs for causing a computer to function as a mobile agent for data management in a mobile communication environment.

[0017]

Embodiments of the present invention will be described below in detail with reference to the drawings. FIG. 1 shows the present invention in a public network such as the Internet, a digital cellular network for mobile phones,
It is a functional block diagram showing an embodiment when applied to a data management system constructed via a PHS network or the like.

The data management system 1 includes a client 10 which is a mobile terminal (mobile data processing device) having a wireless terminal, and a plurality of servers functioning as transmission destination devices, that is, a remote server which receives remote access from the client 10. An access server 20, a high-efficiency communication server 21 for performing communication processing for the client 10,
Data management server 3 that manages data for a plurality of service servers that provide applications and information
0 is connected and arranged to enable two-way communication via a public network L1, a PHS network L2, and a digital cellular network L3. In the following description, the PHS network L2 and the digital cellular network L3 are both referred to as a mobile communication network LR.

In this embodiment, the high-efficiency communication server 2
Reference numeral 1 is arranged on the mobile communication network LR or the public network L1, and has a function of mediating data communication between the client 10, the data management server 30, and a service server (not shown). The service server holds applications and information unique to the present system, and includes, for example, a database system for performing a database search process. In the present embodiment, an example will be described in which the data management server 30 manages data held in the own device.

In FIG. 1, the remote access server 20, the high-efficiency communication server 21, and the data management server 30 are configured in a separate and independent form. However, the present invention is not limited to such a form. May be configured together in the same server. The client 10 includes a processing request receiving unit 11, an access processing unit 12, a command processing unit 13, and a data management unit 1, which are formed by the mobile terminal reading and executing a predetermined program under its own OS.
4, a data holding unit 15 and a communication control unit 16 are provided.

The data management server 30 has a data file 33 constructed internally or externally, and a communication control unit 31 formed by the server itself reading and executing a predetermined program under its own OS. Unit 32 and a data management unit 33.

The above programs for forming each function in the client 10 and the data management server 30 are as follows:
Normally, the above-described functional blocks are stored in any recording form in the internal storage device or the external storage device of the mobile terminal main body constituting the client 10 or the server main body constituting the data management server 30, and are read at any time. To be executed. For example, a CD-RO that can be separated from the recording medium of the present invention, for example, the terminal body, etc.
M, FD, or other portable recording medium, or a computer-readable form stored in a program server or the like connected to the private network, installed in the internal storage device or external storage device when used, and provided for execution at any time It may be.

In the client 10, the processing request receiving unit 11 receives and obtains a processing request input from a user or the like via an input interface (not shown). Is to be analyzed. The command processing unit 13 transmits a command (hereinafter, an access command) according to the analysis result of the processing request to the data management server 30 via the communication control unit 16.
And performs corresponding data communication via the remote access server 20 and the high-efficiency communication server 21. The data management unit 14 manages data corresponding to the processing request in cooperation with the data holding unit 15 to perform input / output management and presents data input / output results via an output interface such as a display device (not shown). It is. The data holding unit 15 is appropriately configured using an external storage unit such as a disk device. The communication control unit 16 performs data communication via the mobile communication network LR and the public network L1.

On the other hand, the data management server 30 stores data such as a specific file to be edited and held in a sharable manner for a plurality of clients 10 (hereinafter, shared data).
It is for managing. In the data management server 30, the communication control unit 31 performs data communication with the client 10 via the remote access server 20 and the high-efficiency communication server 21, and the access processing unit 32
It analyzes an access command from the client 10. The data management unit 33 performs input / output of shared data corresponding to an access command from the client 10, for example, to a data file 34 constructed in the form of a database. Further, the data management unit 33 manages access right information described later. This access right information is configured to be held in the data file 34 in association with, for example, each shared data.

Next, a specific operation in the data management system 1 will be described with reference to the drawings. FIG. 2 is a processing procedure diagram in the client 10 of the data management system 1. The user or the like inputs a processing request via an input interface (not shown) (step S10).
1). The processing request receiving unit 11 receives and acquires the input processing request, and the processing request is analyzed by the access processing unit 12 (step S10).
2). If the processing request is “internal processing” (step S
103: Yes), the data management unit 14
5 performs input / output processing such as searching for or holding shared data corresponding to the processing request (step S104). The user or the like performs an appropriate editing process in the data management unit 14 in accordance with a data input / output result output via an output interface (not shown), and returns to step S101 to input a necessary processing request.

On the other hand, if the processing request is not “internal processing” (step S103: No), the access processing unit 12 inputs the analysis result of the processing request to the command processing unit 13. The command processing unit 13 cooperates with the communication control unit 16 to transmit an access command based on the analysis result to the data management server 30 in the public network L1 via the mobile communication network LR (step S1). S105). In addition, the shared data transmitted from the data management server 30 is obtained via the communication control unit 16, and the input / output of shared data in the client 10 via the command processing unit 13, the data management unit 14, and the data holding unit 15. The process is performed (Step S106). When a new processing request is input from a user or the like (step S
107: Yes), returning to step S101 and repeating the processing.

FIG. 3 is a processing procedure diagram in the data management server 30 of the data management system 1. Communication control unit 3
1 receives an access command transmitted from the client 10 via the mobile communication network LR and the public network L1 (step S201). The received access command is input to the access processing unit 32 and analyzed (step S202). The analysis result is stored in the data management unit 33.
And input / output processing of shared data and access right information corresponding to the access command is performed on the data file 34 (step S20).
3). For example, in the case of an access command related to a data acquisition request for shared data from the client 10, the data management unit 33 searches for the corresponding shared data from the data file 34 and cooperates with the communication control unit 31 to Send to 10. Furthermore, upon completion of the transmission, access right information regarding the client 10 is provided to the data. If a new access command has been received from the client 10 (step S204: Yes), step S2
Return to 01 and repeat the process.

Next, the access right information will be described.
In the present invention, when the shared data in the data management server 30 is shared by a plurality of clients 10, the data is downloaded from the data management server 30 and an access right with a valid time limit (hereinafter referred to as a timed access right) every time the download is completed. ) Access right information including settings is given to the data. The timed access right is for relatively determining the elapsed access time of the client 10 to the shared data. The data management unit 33 of the data management server 30 uses the shared data of the corresponding client 10 based on the access right information. It is configured to monitor the access elapsed time, that is, the access validity period.

This access right information has the following characteristics. The client 10 to which the time management right for the shared data is set by the data management server 30 can access the data, such as uploading, within the valid time limit. -If the client 10 for which the time access right to the shared data is set by the data management server 30 is within the valid time limit, users other than the client 10 cannot access the data in the data management server 30. . The client 10 to which the time management access right to the shared data has been set by the data management server 30 can be used even if the validity time has expired (hereinafter, timeout).
If the time stamp, the capacity, and the like in the data are in the same state as when the timed access right is set, the timed access right can be continued. If the client 10 to which the time-limited access right to the shared data is set by the data management server 30 times out, a user or the like other than the client 10 can set the time-limited access right to the data.

The access right information will be described in more detail as follows. FIG. 4 is a processing matrix based on the access right information in the client 10. Hereinafter, the access right information will be described in association with the item numbers in the figure. Note that the upload in the following description refers to transmitting the same data as the shared data held in the data file 34 of the data management server 30 to the client 10, and the upload refers to an editing process in the client 10. The updated shared data is reflected in the shared data held in the data file 34.

(1-1): The client 10 issues to the command processing unit 13 an access command of a download request for the desired shared data. In the command processing unit 13, when the timed access right setting response from the data management server 30 is "OK", the state after the download is completed is (2-2) described later. On the other hand, in the case of "NG", the processing is completed, or the access command of the download request is issued in the read-only mode. The state after the completion of the download is (4-2) described later. (1-2): When the identifier of the shared data downloaded from the data management server 30 is changed, the client 1
Access that enables local editing inside
A command is issued to the command processing unit 13. The state at the time of uploading the edited file or the like to the data management server 30 is (1-3) described later. (1-3): If the shared data identical to the identification name specified by the processing request from the user or the like does not exist in the data management server 30, a new upload request access command to the shared data with the identification name is issued. Command processing unit 1
Issue to 3. The state after the completion of the upload is (2-2) described later when the local editing process is continued. On the other hand, when the local editing process is completed, the data management server 30 deletes the corresponding timed access right and ends the process.

(2-1): If the shared data downloaded in the client 10 has been updated, the access command of the upload request corresponding to the timed access right is issued to the command processing unit 13. After the upload is completed, the data management server 30 updates the timed access right. If the shared data downloaded in the client 10 has not been updated, the data management server 30 updates only the timed access right. The status after updating the timed access right is
This will be (2-2) described later. (2-2): The client 10 issues to the command processing unit 13 an access command that enables local editing of the shared data corresponding to the timed access right. In the data management server 30, the state is held within the valid time period in which the time-limited access right is set, and the state when the time-out occurs is described in (3) below.
-2). (2-3): The access command of the shared data upload request corresponding to the timed access right is issued to the command processing unit 13. After the upload is completed, the state where local editing of the shared data corresponding to the timed access right is continued is the above-described (2-2). When the editing is completed, the data management server 30 deletes the time-limited access right and ends the processing.

(3-1): If the shared data corresponding to the timed access right in the client 10 has been updated, the timed access right is set, and the access command of the upload request to the data management server 30 is issued by the command. It is issued to the processing unit 13. On the other hand, if the file or the like corresponding to the timed access right has not been updated, the timed access right is set. The state after the timed access right is set is (2-2) described above. (3-2): An access command enabling local editing in the client 10 is transmitted to the command processing unit 13
Issue for (3-3): Set the timed access right and issue an access command for an upload request to the data management server 30 to the command processing unit 13. After the upload is completed, the state when the local editing is continued in the client 10 is (2-2) described above.
On the other hand, when completing the local editing, the data management server 30 deletes the time-limited access right and completes the processing.

(4-1): An end command or an access command for a read-only download request is issued to the command processing unit 13. The shared data after the download is completed cannot be locally edited in the client 10, and the state becomes (4-2) described later. (4-2): The client 10 issues an access command to the command processing unit 13 which makes local editing of the shared data in the client 10 impossible and enables only reference. The state when the identification name of the shared data corresponding to the timed access right is changed is (1-2) described above. (4-3): Upload of shared data in the data management server 30 becomes impossible. The state when uploading by changing the identification name of the shared data is as described in the above (1-
2).

(5-1): The same processing as in (1-1) is performed. (5-2): The same processing as in the above (4-2) is performed. (5-3): The same processing as the above (5-3) is performed.

FIG. 5 is a processing matrix based on the access right information in the data management server 30. The access processing unit 32 in the data management server 30 controls the time-limited access right to the shared data based on the access right information. Hereinafter, the access right information will be described in association with the item numbers in the figure.

(11-1): "No access right information" is transmitted to the client 10. (11-2): Write (generate) access right information corresponding to the access command from the client 10. (11-3): "No access right information" is transmitted to the client 10. (11-4): The download corresponding to the access command from the client 10 is executed, and “download completed” is transmitted to the client 10. (11-5): “Upload unavailable” is transmitted to the client 10.

(22-1): Access right information is transmitted to the client 10. (22-2): If the timed access right granted to the specific client 10 is timed out, write the access right information to the clients 10 other than the client 10 and write “access right writing completed”. Send. On the other hand, if the time-limited access right is within the time-limited, “access right write disabled” is transmitted to another client 10. (22-3): If the requesting client 10 is an access right holder, the timed access right is deleted and “access right erasure completed” is transmitted to the client 10. On the other hand, if the user is not the access right holder, “access right cannot be deleted” is transmitted to the client 10. (22-4): The download corresponding to the access command from the client 10 is executed, and "download complete" is transmitted to the client 10. (22-5): The upload corresponding to the access command from the client 10 is executed, and if the timed access right is timed out, “upload is impossible”
Is transmitted to the client 10. On the other hand, if the time-limited access right is within the time-limit and the requesting client 10 is the access right holder, the upload is executed and “upload completed” is returned to the client 10. If the requesting client 10 is not the access right holder, “upload unavailable” is transmitted to the client 10.

In the above description of the access right information,
Although the one-to-one configuration in which the shared data is accessed by the plurality of clients 10 in the data management server 30 has been described, the present invention is not limited to the above example.
For example, "other vs. other" for multiple service servers
Is similarly applicable. Specifically, the data management unit 33 in the data management server 30
For example, the configuration may be appropriately changed so that input / output of shared data corresponding to an access command is performed from data files respectively constructed in a plurality of service servers (not shown).

In the present embodiment, the client 10
Although it is configured to be adaptable to a mobile communication network such as mobile communication, the communication control is performed so as to be able to communicate with a wired network other than wireless communication without being limited to the present embodiment. The unit 16 may be appropriately configured, and a system equivalent to the data management system 1 can be realized in a wired network environment.

The data management server 30 of the present embodiment
For example, by applying the mobile agent technology, it becomes possible for the client 10 to function as a data management agent server in a mobile communication environment for the client 10.

As described above, in the data management system 1 of the present embodiment, once the shared data is downloaded using the mobile terminal or the like, the original data is copied to another user during the editing period of the copy data for the original data. Even if the data has been updated, the optimal access to the data can be made based on the access right information, and the consistency of access from multiple users can be maintained at a certain value or more. Become.

Also, since management concerning download and upload of shared data from a mobile terminal or the like can be effectively performed based on the access right information, for example, during the period from the download to the upload, the original data is used for another use. When the file is updated by a user or the like, loss of the update result, ie, destruction of a file or the like due to overwriting can be avoided.

Further, even in an environment where it is difficult to maintain a constant connection to a network due to a problem inherent in data communication in a mobile terminal, the environment depends on the access right with a valid time limit. This eliminates the need to perform exclusive control on files and the like, thereby reducing communication costs and processing time. Further, for example, between computer devices that are connected or disconnected at irregular intervals, it is possible to avoid data corruption of files and the like due to occurrence of communication errors and the like.

Further, by configuring the data management server 30 to share data shared by a plurality of service servers with a plurality of clients 10, an efficient distributed data management environment can be constructed.

As described above, according to the data management system 1 of the present embodiment, the communication cost and load of the entire system are reduced, and the reliability of the system is greatly improved.

[0047]

As is apparent from the above description, according to the present invention, unified data management can be performed without depending on the form of connection of the computer device to the network. There is a unique effect that the reliability is significantly improved.

[Brief description of the drawings]

FIG. 1 is a functional block diagram of a data management system according to an embodiment of the present invention.

FIG. 2 is a processing procedure diagram in a client 10 of the data management system 1.

FIG. 3 is a data management server 30 of the data management system 1.
FIG.

FIG. 4 is a processing matrix based on access right information in the client 10.

FIG. 5 is a processing matrix based on access right information in the data management server 30.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Data management system 10 Client 11 Processing request receiving part 12 Access processing part 13 Command processing part 14 Data management part 15 Data holding part 16 Communication control part 20 Remote access server 21 High efficiency communication server 30 Data management server 31 Communication control part 32 Access Processing unit 33 Data management unit 34 Data file L1 Public network L2 PHS network L3 Digital cellular network

Claims (17)

[Claims] A step of granting an access right including a valid time period of the acquisition request source to the shared data upon completion of transmission to the acquisition request source of shared data sharable in a mobile communication environment; Receiving the shared data edited from the acquisition request source based on the access right, and upon completion of the reception, updating the corresponding shared data with the edited shared data and granting the access right Erasing the shared data, and integrally managing the shared data based on the access right. 2. The data management method according to claim 1, wherein the valid time period in the access right is information for relatively determining an access elapsed time of the acquisition request source for the shared data. . 3. One or more data management devices that manage shared data held sharably and a plurality of mobile data processing devices that perform editing processing on the shared data via a mobile communication network. A data management system connected to the mobile data processing device, wherein the data management device transmits the same data as the shared data corresponding to a data acquisition request from the mobile data processing device to the mobile data processing device. Access right granting means for granting access right information including an access validity period of the mobile data processing device to the shared data upon completion of the transmission; and completion of the editing process in the mobile data processing device. Receiving the update data corresponding to the shared data update request triggered by the And a shared data updating unit for updating corresponding shared data and access right information for the shared data. 4. The access right granting unit monitors an access elapsed time based on access right information on the specific mobile data processing device, which is given to the shared data, and the access elapsed time is valid. If the time is within the time limit, the data acquisition request for the shared data from another mobile data processing device other than the mobile data processing device is not accepted. 3. The data management system according to 3. 5. When the monitored access elapsed time is within a valid time period, the access right granting unit may transmit the corresponding shared data from another mobile data processing device other than the mobile data processing device. 4. The data acquisition request according to claim 3, wherein the shared data is sent to the mobile data processing apparatus that is the data acquisition request source in a read-only manner without giving the access right information to the shared data. Data management system as described. 6. The access right granting means, when the monitored access elapsed time exceeds a valid time limit, the data capacity or the time stamp of the corresponding shared data is in the same state as when the access right information was given. 4. The data management system according to claim 3, wherein the access right information on the mobile data processing device is continuously added to the shared data, if any. 7. The access right granting unit receives a download request from the mobile data processing device for a specific file held in a sharable manner, and upon completion of the download, issues a download request to the file. 8. The data management system according to claim 3, wherein the access right information on the original mobile data processing device is provided. 8. The shared data updating means monitors an access elapsed time based on access right information on the specific mobile data processing device, which is given to the shared data, and the access elapsed time is valid. If it is within the time limit, while receiving update data corresponding to the shared data update request from the mobile data processing device and updating the corresponding shared data of the own device, the access right information for the shared data is updated. The data management system according to claim 3, wherein the data management system is configured to delete the data. 9. The shared data update unit, when the monitored access elapsed time is within a valid time period, the shared data update unit transmits a corresponding shared data from another mobile data processing device other than the mobile data processing device. 9. The data management system according to claim 3, wherein the data management system is configured not to receive the shared data update request. 10. The shared data updating means, when the monitored access elapsed time exceeds a valid time limit,
The access right information relating to the mobile data processing device is re-attached to the corresponding shared data, the update data corresponding to the shared data update request from the mobile data processing device is received, Updating the data and erasing the access right information for the shared data,
The data management system according to claim 3. 11. The shared data updating means, when the shared data corresponding to the shared data update request from the mobile data processing device does not exist in the own device,
It is configured to newly generate and hold shared data based on update data corresponding to the shared data update request, and to give the access right information on the mobile data processing device to the shared data. 4. The data management system according to claim 3, wherein: 12. The shared data updating means receives an upload request from the mobile data processing device for a specific file held sharably, and upon completion of the upload, the upload request source of the file is The data management system according to any one of claims 3 to 11, wherein the access right information on the mobile data processing device is deleted. 13. One or a plurality of data management devices for managing shared data held in a sharable manner and a plurality of mobile data processing devices for performing editing processing on the shared data via a mobile communication network. A mobile data processing system, wherein the mobile data processing device transmits a data acquisition request for the shared data from an operator to the data management device and receives the corresponding shared data. And a data editing unit that holds the received shared data and performs an editing process. When the editing process on the received shared data is completed,
Means for transmitting a data update request for the shared data and update data consisting of the edited result to the data management device. 14. When the shared data received from the data management device is read-only, the data editing means is configured to be editable by changing and holding the identification name of the shared data. 14. The data management system according to claim 13, wherein: 15. A computer device connected to a plurality of mobile data processing devices via a mobile communication network so as to be capable of two-way communication, and for managing shared data held sharably by the plurality of mobile data processing devices. Is a recording medium that records a program that causes the computer device to function as a data management device.
At least, the same data as the shared data corresponding to the data acquisition request from the mobile data processing device is transmitted to the mobile data processing device, and upon completion of the transmission, the mobile data is transmitted to the mobile data processing device. A process of giving access right information including an access validity period of the data processing device; and receiving update data corresponding to the shared data update request, which is triggered by the completion of the editing process in the mobile data processing device. A process of updating shared data corresponding to the update data and access right information for the shared data in the device, by the computer device. 16. A computer which is connected to a data management device which manages shared data held in a sharable manner so as to be capable of two-way communication via a mobile communication network, and reads the computer device as mobile data. A recording medium recording a program to function as a processing device,
The program transmits at least a data acquisition request for the shared data from the operator to the data management device to receive the corresponding shared data; a process of holding and editing the received shared data; And causing the computer device to execute a data update request for the shared data and a process of transmitting update data including the edited result to the data management device upon completion of editing of the shared data. recoding media. 17. The computer-readable storage medium according to claim 17, wherein the program causes the computer device to execute data management on a mobile communication environment.
18. The recording medium according to claim 16, which functions as an agent.