JP5397983B2 - File management system, file management method, and file management program - Google Patents

Description

  The present invention relates to a file management system, a file management method, and a file management program. More specifically, the present invention relates to a file management technique for managing browsing of other terminal devices with respect to an information file created in each terminal device in a plurality of terminal devices and management devices connected via a communication line.

  In companies and public organizations (hereinafter referred to as “businesses”), an enormous amount of electronic document files are created and stored in personal terminal devices (for example, personal computers) or management devices (for example, servers). Browsing, copying, changing, and the like of files that are shared as databases in companies and the like and stored as necessary are performed. Since stored files include many highly confidential files, a technique for managing files so that the highly confidential files cannot be browsed freely has been proposed.

  For example, Patent Document 1 describes an access right control system capable of desired access right control in a client device in a peer-to-peer type file exchange system. The access right control system includes a server, an access right management database, first and second client devices, and a data storage device for each client device. When data is requested from the second client device, the first client device inquires of the access right to the server, and the access right of the inquiry is determined by the server using the access right management list.

JP 2003-122635 A

  However, in Patent Document 1, when a browsing request is made for a specific file from a user of a second client device who is a user who wishes to browse, the server can browse the file related to the browsing request. It is merely determined whether the file is present or not viewable, and is not configured to notify information about all files that the user can view. For this reason, the user's options are remarkably limited. For example, when a file name is erroneously specified due to a user's memory difference or the like, the browsing request is repeated many times in order to browse information on a desired file. There is a problem that the browsing work becomes very complicated.

  Moreover, in the above-mentioned patent document 1, since the information regarding the file that changes every moment from the first and second client devices is not transmitted to the server, the latest information regarding the file is shared in the system of a company or the like. There was a problem that it was not possible.

  Further, in the above-mentioned Patent Document 1, after searching and acquiring a file by a file name or the like, if the contents of the file are not desired, the file search must be repeated until the desired file is acquired. There was a point.

  Moreover, in the above-mentioned patent document 1, since the server stores only the information of users who can view each file, it can be viewed from all the files shared in the system of a company or the like. There is a problem that it is impossible to search for a desired file as a whole. For example, a desired file that can be browsed cannot be searched from among a plurality of files belonging to a specific category.

  An object of the present invention is to provide a file management system, a file management method, and a file management program that solve the complicated browsing work for individual files shared in a system of a company or the like, which is the problem described above.

  Another object of the present invention is to provide a file management system, a file management method, and a file management program that solve the above-mentioned problem that the latest information regarding files cannot be shared in a system of a company or the like.

  Also, the object of the present invention is to solve the problem that the file search must be repeated when the file contents are not desired after the file search by the file name or the like which is the above-mentioned problem. A system, a file management method, and a file management program are provided.

  Also, an object of the present invention is a file management system that solves the problem that a desired file that can be browsed cannot be searched as a whole from among all files shared in a system of a company or the like, which is the above-mentioned problem. Another object is to provide a file management method and a file management program.

A file management system according to a first aspect of the present invention manages browsing of other terminal devices for information files created in each terminal device in a plurality of terminal devices and management devices connected via a communication line A file management system that
Each of the terminal devices, when a file created in response to an operation is one that restricts browsing, a generating unit that generates browsing restriction information representing an element that restricts browsing and stores the browsing restriction information in a predetermined storage unit; Search means for searching for a file stored in the storage means to classify a first file having no browsing restriction and a second file having a browsing restriction, and each second file classified by the searching means Transmission of file management information including file identification information for identifying the terminal, terminal identification information for identifying the terminal device of itself, and browsing restriction information generated by the generation means to the management device via the communication line Means, and
The management device includes a storage unit that stores the file management information transmitted from each terminal device, and a reception unit that receives a browsing request for the file management information stored in the storage unit from any one of the terminal devices. A terminal device related to the browsing request for all file management information within a range that allows browsing based on the browsing request received by the receiving unit and the browsing restriction information of each second file stored in the storage unit Transmitting means for transmitting via the communication line,
It is characterized by that.

A file management method according to a second aspect of the present invention manages browsing of other terminal devices for information files created in each terminal device in a plurality of terminal devices and management devices connected via a communication line File management method,
Each terminal device generates browsing restriction information representing an element that restricts browsing and stores the browsing restriction information in a predetermined storage unit when a file created in accordance with an operation restricts browsing. A second step of searching for a file stored in the storage means and classifying the first file having no browsing restriction and the second file having a browsing restriction; and classifying by the second step. File management information including file identification information for identifying each second file, terminal identification information for identifying its own terminal device, and browsing restriction information generated by the first step to the management device. Performing a third step of transmitting via a communication line;
The management device is configured to store the file management information transmitted from each terminal device in a predetermined storage unit and a browsing request for the file management information stored in the storage unit to any one of the terminals. A fifth step received from the device, and a browsing request received in the fifth step and all of the ranges within the range where browsing is permitted based on the browsing restriction information of each second file stored in the storage means Performing the sixth step of transmitting the file management information to the terminal device related to the browsing request via the communication line,
It is characterized by that.

A file management program according to a third aspect of the present invention manages browsing of other terminal devices for information files created in each terminal device in a plurality of terminal devices and management devices connected via a communication line If you want to
The computer of each terminal, when the file created in response to the operation restricts the viewing is raw and stores the generated viewing restriction information indicating an element that limits the view in a predetermined storage means Narute stage, the search means to classify and search for files that are stored with the first file no viewing restriction and a second file that has viewing restriction in the storage means, each classified by the searching means File management information including file identification information for identifying the second file, terminal identification information for identifying its own terminal device, and browsing restriction information generated by the generating means is sent to the management device via the communication line. transmission means to transmit, to function as,
Receiving for receiving computer of the management apparatus, the storage Hand stage storing the file management information transmitted from each terminal apparatus, from one of the terminal devices viewing request for the file management information stored in said storage means according hand stage, all the file management information in a range that allows viewing based on the viewing restriction information of each of the second file that is stored in the read request and the storage means is received by said receiving means to the read request transmission means to transmit via the communication line to the terminal device, to function as,
It is characterized by that.

  According to the present invention, by browsing all file management information within the permitted range of browsing from the management device to the terminal device, it is possible to easily and quickly browse the individual files shared in the system of a company or the like. It can be carried out.

  Further, according to the present invention, the latest file-related information can be shared in a system such as a company by periodically transmitting file management information of a file created in each terminal device to the management device.

  In addition, according to the present invention, by including the file summary information in the file management information stored in the management device, the contents of the file to be browsed can be known before the file is acquired. Because it was different, the file search work is not repeated many times.

  In addition, according to the present invention, for a file stored in all terminal devices that is restricted from browsing, the terminal device related to the browsing request includes file management information that specifies whether or not browsing is possible depending on the identification information of the user and its affiliation. By sharing the file, it can be shared within a system such as a company without performing a complicated browsing operation for each file, for example, a browsing operation for inputting user identification information and its affiliation and confirming whether or not browsing is possible. A desired file that can be browsed can be searched from all the files.

  In the present invention, a file includes not only a document but also information such as a drawing, a table, an image, a mathematical formula, a chemical formula, a program list, and music data, or information obtained by combining these, and a terminal device via a wired or wireless communication line Data group that can be transmitted and received between each other.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a block diagram illustrating a file management system according to an embodiment. In FIG. 1, a plurality of terminal devices 100 are assigned terminal identification information (terminal ID) PC1, PC2, PC3. A server 200 as a management device is connected to each terminal device 100 via a wired or wireless communication line 300. Although not shown in the figure, the communication line 300 is also connected to another file management system such as a company, and files and other various data and commands are transmitted and received between the systems. The server 200 accommodates a storage memory 201 via a system bus described later. The storage memory 201 is composed of a nonvolatile memory such as a hard disk.

  FIG. 2 is a block diagram showing an internal configuration of the terminal device 100 of FIG. In FIG. 2, a CPU 101 is connected to a work memory 103, a program memory 104, a file memory 105, an index memory 106, a display unit 107, an operation unit 108, a timer 109, a transmission unit 110, and a reception unit 111 via a system bus 102. Has been. The CPU 101 exchanges commands with the other terminal devices 100 and the server 200 via the communication line 300 in FIG. 1 and controls the above-described units connected via the system bus 102.

  The program memory 104 includes a rewritable nonvolatile memory such as a flash memory, and stores a file management program executed by the CPU 101. Although not shown in the figure, the system bus 102 is connected to an information reading device that drives a storage medium such as a CD-ROM and reads stored information. A file management program read from the storage medium is stored in the system bus 102. It can also be stored in the program memory 104. Alternatively, a file management program downloaded from a predetermined site via the communication line 300 in FIG. 1 can be installed by the communication function of the CPU 101 or a communication device connected to the system bus 102 and stored in the program memory 104. It is.

  The work memory 103 is composed of a rewritable memory such as a RAM, and temporarily stores file data processed by the CPU 101.

  The file memory 105 is composed of a rewritable nonvolatile memory such as a flash memory, and stores a file created by the terminal device 100 and a file acquired from another terminal device 100.

  The index memory 106 is composed of a rewritable non-volatile memory such as a flash memory or the like, and includes a file ID (file identification information) for identifying a file stored in the file memory 105 and information related to the file (this information is referred to as “file Record ").

  In this embodiment, the file memory 105 and the index memory 106 are separate memories, but they may be two storage areas in a single memory. In any configuration, as viewed from the CPU 101, it is a part of a memory space that specifies a storage area by an address. Therefore, for the sake of brevity, the file memory 105 and the index memory 106 are regarded as storage means without being distinguished from each other.

  The display unit 107 displays main menu icons, created files, file records, messages to the user of the terminal device 100, and the like.

  The operation unit 108 includes a keyboard including key switches such as character keys, numeric keys, symbol keys, cursor keys, and decision keys, and a pointing device such as a mouse. Characters, numbers, and symbols are selected according to user operations. Etc. and commands such as movement commands and decision commands are input to the CPU 101.

  The timer 109 is a time measuring means for measuring time, and inputs a timer interrupt to the CPU 101 at predetermined time intervals. The contents of the timer interrupt will be described in detail later.

  The transmission unit 110 transmits the file data stored in the file memory 105 to the other terminal device 100 via the communication line 300 in FIG. 1, and the file management information stored in the index memory 106 is transmitted. It transmits to the server 200.

  The receiving unit 111 receives data of a file transmitted from another terminal device 100 via the communication line 300 in FIG. 1 and inputs the data to the CPU 101, receives a file record transmitted from the server 200, and receives the file record from the CPU 101. While inputting, it displays on the screen of the display unit 107.

  FIG. 3 is a flowchart of a main routine executed by the CPU 101 of the terminal device 100, and executes a file creation process and a file record creation process. In FIG. 3, it is determined whether or not a file creation operation has been performed on the operation unit 108 (step S11). If a file creation operation has been performed (step S11; YES), a file creation process is executed (step S11). S12). For example, in the menu icon displayed on the screen of the display unit 107, when the file creation icon is selected and determined by the operation unit 108, the file creation process is executed. For example, when document creation is instructed In response to input of characters, numbers, symbols, etc., the document is temporarily stored in the work memory 103 and the created document is sequentially displayed on the screen of the display unit 107.

  Then, it is determined whether or not the file creation operation has been completed (step S13). If it is determined that the file creation operation has not been completed (step S13; NO), the file creation in step S12 is continued. If it is determined that the file creation operation has been completed (step S13; YES), it is determined whether or not the created file is one that restricts browsing (hereinafter referred to as “capsule file”) (step S14). ).

  If the file is a capsule file (step S14; YES), the file ID that is the file identification information, the file position that is the file address in the memory space of the CPU 101, and a list of access rights that indicate the departments and users that can be viewed. Then, a file record including five items, a browsing permission flag ALWF (browsing permission = 1; browsing prohibition = 0) and a file transmission flag SNDF (transmitted = 1; unsent = 0) is created (step S15). Next, the file record is displayed on the screen of the display unit 107 (step S16).

  After the file record is displayed in step S16, the data of the file created together with the data of the file record is displayed on the screen. If the created file is not a capsule file (step S14; NO), the data of the created file is displayed. Is displayed on the screen (step S17).

  In step S17, after displaying the file record and the file data or the file data without the file record on the screen, it is determined whether or not the displayed data has been corrected by the operation of the operation unit 108 (step S18). If the correction operation has not been performed (step S18; No), the process proceeds to step S20. When the correction operation is performed (step S18; YES), the displayed data is changed according to the correction operation (step S19). Next, it is determined whether or not a determination operation has been performed by the operation unit 108 (step S20). If the determination operation has not been performed (step S20; NO), it is determined whether or not a further correction operation has been performed in step S18.

  When the determination operation is performed (step S20; YES), the created file data and the created file record data are stored in the file memory 105 and the index memory 106 (step S21).

  After storing the file and file record data, or when the file creation operation is not performed in step S11 (step S11; NO), other processing, for example, another terminal device 100 or server 200 as will be described later. The communication process between the two and the timer interrupt process at regular intervals is performed (step S22), the process proceeds to step S11 to determine the presence or absence of a new file creation operation, and the above loop process is repeated.

  FIG. 4 is a diagram showing file record data and file data created by the operation of FIG. The file contents (summary) and the flag ABSF will be described later. In FIG. 4, the file record data including the file ID and the file data are stored separately in the index memory 106 and the file memory 105. However, in the memory space viewed from the CPU 101, as described above, Each data of the file record and the data of the file only differ in address. Therefore, the file memory 105 and the index memory 106 are regarded as storage means without being distinguished from each other.

  Furthermore, the memory space of the entire system including the terminal ID (corresponding to the address of the terminal) of each terminal device 100 is integrated together with the memory space viewed from the CPU 101 of the other terminal device 100 as well as the own device. Manage. Therefore, an address including the terminal ID of the own apparatus is stored in the file position of the file record in FIG.

  FIG. 5 is a diagram illustrating a portion of the file record of the capsule file stored in each terminal device 100 excluding each flag. 5 includes a terminal ID, a file ID, an access right, a capsule position stored as a file position in FIG. 4, and a file content (summary) in FIG.

  FIG. 6 is a block diagram showing the configuration of the server 200 and the storage memory 201 of FIG. In FIG. 6, a CPU 202 is connected to a work memory 204, a program memory 205, a storage memory 201, a transmission unit 206, and a reception unit 207 via a system bus 203. The CPU 202 transmits and receives commands to and from other terminal devices 100 via the communication line 300 in FIG. 1 and controls the above-described units connected via the system bus 203.

  The program memory 205 is composed of a rewritable nonvolatile memory such as a flash memory and stores a file management program executed by the CPU 202. Although not shown in the figure, the system bus 203 is connected to an information reading device that drives a storage medium such as a CD-ROM and reads stored information. A file management program read from the storage medium is stored in the system bus 203. It can also be stored in the program memory 205. Alternatively, a file management program downloaded from a predetermined site via the communication line 300 in FIG. 1 can be installed by the communication function of the CPU 202 or a communication device connected to the system bus 203 and stored in the program memory 205. It is.

  The work memory 204 is composed of a rewritable memory such as a RAM, and temporarily stores file data processed by the CPU 202.

  The storage memory 201 stores the file record transmitted from each terminal device 100 and the terminal ID of the terminal device 100 as file management information.

  The receiving unit 207 receives a file record and a terminal ID periodically transmitted from each terminal device 100 via the communication line 300 in FIG. 1 and stores them in the storage memory 201.

  The transmission unit 206 transmits to the terminal device 100 the file record requested to be browsed by the terminal device 100 and the terminal ID of the terminal device 100 in which the file record is stored.

  FIG. 7 is a flowchart of a file record transmission process periodically executed by the CPU 101 of each terminal device 100. In FIG. 7, it is determined whether or not the timer 109 of FIG. 2 has been activated by a timer interrupt that occurs at regular intervals (step S101). The timer 109 measures the time until a predetermined time set in advance, that is, until the time is up, by starting the timer.

  When the timer is started (step S101; YES), the value of the pointer (variable) n is set to the initial value “1” (step S102), and the value of n is incremented and the process from step S103 to step S110 is performed. Repeat the loop process.

  A file (n) designated by the value of n is searched from the stored files (step S103), and it is determined whether or not the file is a capsule file (step S104). If the retrieved file is a capsule file (step S104; YES), it is determined whether or not the flag ALWF is “1 (permitted viewing)” (step S105). When ALWF is “1” (step S105; YES), it is determined whether or not the transmission flag SNDF is “0 (not transmitted)” (step S106).

  If the SNDF is “0” (step S106; YES), the terminal ID of the device itself and the stored file record (file ID, access right, capsule position, file content) are transmitted to the server 200 (step S106). S107). Then, the SNDF is changed from “0 (not transmitted)” to “1 (transmitted)” (step S108).

  After the flag SNDF is changed to “1” in step S108, or when the searched file is not a capsule file (step S104; NO), or when the flag ALWF is “0 (viewing prohibited)” (step S105; NO) Alternatively, if the flag SNDF is already “1 (transmitted)” (step S106; NO), the value of n is incremented (step S109).

  Next, it is determined whether or not the incremented value of n has exceeded the number of files (step S110). That is, it is determined whether or not all stored files have been searched. If the incremented value of n is within the number of files (step S110; NO), the process proceeds to step S103 to search for the file (n) designated by the incremented value of n until step S110. Repeat the loop process.

  If the incremented value of n exceeds the number of files (step S110; YES), it is determined whether or not the timer 109 has expired after a predetermined time has elapsed since the timer was started (step S111). If the timer 109 has not timed up (step S111; NO), the process proceeds to step S102, the value of n is set to “1” again, and loop processing for the second and subsequent rounds up to step S110 is performed. repeat. For example, when the number of stored capsule files is small and the file records of all capsule files are transmitted to the server 200 before the timer 109 times out, the timer 109 also sets the capsule files created thereafter. The file record is transmitted to the server 200 until time is up.

  If the timer 109 has expired (step S111; YES), this flowchart is terminated and the process returns to the main routine of FIG. When loop processing for the second and subsequent rounds is being executed, if the timer 109 stops counting before the value of n exceeds the number of files, the loop being executed until the value of n exceeds the number of files Continue processing.

  FIG. 8 is a diagram illustrating affiliation information registered in the storage memory 201 of the server 200 in the embodiment. The affiliation information is composed of a user ID uniquely determined by the name of the user and the affiliation indicating the company and department in which the user is enrolled.

  FIG. 9 is a flowchart of file record transmission executed by the CPU 202 of the server 200 in the embodiment. In FIG. 9, it is determined whether or not a search request for a file record has been received from any of the terminal devices 100 (step S201). If a search request has been received (step S201; YES), it is included in the search request. The acquired keyword and user ID are acquired (step S202). The keyword is a title, name, specific characters, numbers, symbols, etc. included in the file contents.

  Next, the affiliation information shown in FIG. 8 is searched (step S203). That is, the affiliation information stored in the storage memory 201 is transferred to the work memory 204, and the user ID registered in the affiliation information and the acquired user ID are collated in order. Specifically, the value of the pointer (variable) n that designates the list of affiliation information is set to the initial value “1” (step S204), and the search process is executed while incrementing the value of n.

  It is determined whether or not the acquired user ID matches the user ID (n) registered in the affiliation information designated by the value of n (step S205), and the acquired ID does not match the registered ID. In this case (step S205; NO), the value of n is incremented (step S206). Next, it is determined whether or not the incremented value of n has exceeded the number of registered user IDs (step S207). When the value of n exceeds the number of registered user IDs (step S207; YES), the fact that the file record cannot be browsed is transmitted to the terminal device 100 related to the search request (step S208). ), And proceeds to step S201 to wait for reception of a new search request.

  If the value of n is within the number of registered user IDs (step S207; NO), it is determined in step S205 whether the acquired ID matches the registered ID. If the acquisition ID matches the registration ID (step S205; YES), the pointer (variable) m is set to the initial value “1” (step S209), and the storage memory 201 is incremented while incrementing the value of m. The file content specified by the value of m is searched from the file records stored in the file.

  That is, the file content (m) is searched (step S210), and it is determined whether there is a keyword that matches the acquired keyword (step S211). If there is no matching keyword (step S211; NO), the value of m is incremented (step S212). Next, it is determined whether or not the incremented value of m exceeds the number of files (step S213). If the value of m exceeds the number of files (step S213; YES), the file record corresponding to the search request is determined. Is transmitted to the terminal device 100 (step S214), and the process proceeds to step S201 to wait for reception of a new search request.

  If the value of m is within the number of files (step S213; NO), the process proceeds to step S210 and the file content (m) is searched. If there is a keyword that matches the acquired keyword in the retrieved file content (step S211; YES), whether or not the user has the right to view the file record is determined based on the access right of the file record ( Step S215).

  If there is no access right (step S215; NO), the value of m is incremented (step S212). Next, it is determined whether or not the incremented value of m exceeds the number of files (step S213). If the value of m exceeds the number of files (step S213; YES), the file record corresponding to the search request is determined. Is transmitted to the terminal device 100 (step S214), and the process proceeds to step S201 to wait for reception of a new search request.

  If there is a keyword that matches the acquired keyword in the retrieved file content (step S211; YES) and there is a right to view a file record including the file content, ie, an access right (step S215; YES), the retrieval The file record corresponding to the request is transmitted to the terminal device 100 related to the search request (step S216), and the process proceeds to step S201 to wait for reception of a new search request.

  FIG. 10 is a flowchart of capsule file request and transfer executed by the CPU 101 of each terminal device 100 in the embodiment. In FIG. 10, it is determined whether a capsule transfer request has been received from another terminal device 100 (step S301). When a capsule transfer request is received (step S301; YES), it is determined whether or not the terminal ID of the own apparatus matches the terminal ID included in the received capsule request (step S302). That is, it is determined whether or not the capsule request is for the device itself.

  If the terminal ID of the own apparatus and the receiving terminal ID do not match (step S302; NO), the process returns to the main routine of FIG. 3, but the terminal ID of the own apparatus and the receiving terminal ID match. If it is present (step S302; YES), the capsule ID and the partner terminal ID are acquired (step S303).

  Next, the pointer (variable) n is set to the initial value “1” (step S304), and the file designated by the value of n among the files stored in the file memory 105 while incrementing the value of n. Search for (n) (step S305).

  It is determined whether or not the searched file (n) is a capsule file (step S306). If it is not a capsule file (step S306; NO), the value of n is incremented (step S307). Next, it is determined whether or not the incremented value of n has exceeded the number of files (step S308). When the value of n is within the number of files (step S308; NO), the process proceeds to step S305, and the file (n) designated by the incremented value of n is searched.

  If the retrieved file (n) is a capsule file (step S306; YES), it is determined whether or not the capsule ID related to the transfer request matches the capsule ID of the retrieved file (n) (step S309). . When the capsule ID related to the transfer request does not match the capsule ID of the searched file (n) (step S309; NO), the value of n is incremented (step S307). Next, it is determined whether or not the incremented value of n has exceeded the number of files (step S308). When the value of n is within the number of files (step S308; NO), the process proceeds to step S305, and the file (n) designated by the incremented value of n is searched.

  When the capsule ID related to the transfer request matches the capsule ID of the searched file (n) (step S309; YES), the file is transmitted to the terminal device 100 having the terminal ID received and acquired (step S309). S310). Then, the process returns to the main routine of FIG.

  When the searched file (n) is not a capsule file (step S306; NO), or when the capsule ID related to the transfer request does not match the capsule ID of the searched file (n) (step S309; No) When the value of n exceeds the number of files (step S308; YES), the fact that there is no file is transmitted to the terminal device 100 related to the transfer request (step S311), and the process returns to the main routine of FIG.

  When a transfer request is not received from another terminal device 100 (step S301; NO), it is determined by operation of the operation unit 108 whether or not a capsule transfer request has been issued to the other terminal device 100 (step). S312). If capsule transfer is not requested (step S312; NO), the process returns to the main routine of FIG.

  When a capsule transfer request is issued to another terminal device 100 (step S312; YES), the partner terminal ID input from the operation unit 108 is acquired (step S313), and the input capsule ID is acquired. Obtain (step S314). Next, a transfer request is transmitted to the terminal device 100 having the acquired terminal ID together with the acquired capsule ID (step S315). Then, the process returns to the main routine of FIG.

  The partner terminal device 100 that has received this transfer request executes each step starting from step S301 of this flowchart, and if there is a corresponding capsule file, it sends the capsule file to the terminal device 100 related to the transfer request. Will be sent.

  FIG. 11 is a flowchart of file content creation, that is, summary information creation executed by the CPU 101 of each terminal device 100 in the embodiment. In FIG. 11, it is determined whether or not the timer 109 of FIG. 2 has been started by a timer interrupt that occurs at regular intervals (step S401). The timer 109 measures the time until a predetermined time set in advance, that is, until the time is up, by starting the timer.

  When the timer is started (step S401; YES), the value of the pointer (variable) n is set to the initial value “1” (step S402), and the value of n is incremented and the process from step S403 to step S410 is performed. Repeat the loop process.

  A file (n) designated by the value of n is searched from the stored files (step S403), and it is determined whether or not the file is a capsule file (step S404). If the retrieved file is a capsule file (step S404; YES), it is determined whether or not the flag ABSF is “0 (summary not created)” (step S405). If the ABSF is “0” (step S405; YES), the capsule file is analyzed to create summary information (step S406), and the summary information is stored in the index memory 106 (step S407). Then, the ABSF is changed from “0” to “1 (summary created)” (step S408). As a result, as shown in FIG. 4, the file content as summary information is stored in the index memory 106.

  After the ABSF is changed to “1” in step S408, or when the searched file (n) is not a capsule file (step S404; NO), or when the ABSF is already “1” (step S405; NO) ) Is incremented by n (step S409).

  Next, it is determined whether or not the incremented value of n has exceeded the number of files (step S410). That is, it is determined whether or not all stored files have been searched. If the incremented value of n is within the number of files (step S410; NO), the process proceeds to step S403 to search for the file (n) designated by the incremented value of n until step S410. Repeat the loop process.

  If the incremented value of n exceeds the number of files (step S410; YES), it is determined whether or not the timer 109 has expired after a predetermined time has elapsed since the timer was started (step S411). If the timer 109 has not timed up (step S411; NO), the process proceeds to step S402, the value of n is set to “1” again, and loop processing for the second and subsequent rounds up to step S410 is performed. repeat. For example, when the number of stored capsule files is small and the summary information of all capsule files is created before the timer 109 times out, the timer 109 also times up for the capsule files created thereafter. Create summary information up to.

  If the timer 109 has expired (step S411; YES), this flowchart is terminated and the process returns to the main routine of FIG. When loop processing for the second and subsequent rounds is being executed, if the timer 109 stops counting before the value of n exceeds the number of files, the loop being executed until the value of n exceeds the number of files Continue processing.

  FIG. 12 is a subroutine flowchart showing the detailed operation of creating the summary information in step S406 in FIG. In FIG. 12, titles are extracted from the capsule file to be summarized (step S501), unique words such as affiliation, name, and destination are extracted (step S502), and other frequently used words are extracted. (Step S503).

  Next, the contents of the capsule file are analyzed based on the extracted contents (step S504), and summary information is created according to the analysis result (step S505). Based on the created summary information, an access right for restricting browsing is determined (step S506). For example, if the extracted title is “Notice of New Year holidays” or “In-house athletic meet”, the access right is “internal”. Alternatively, when the extracted titles are “A business division's second half year opening business plan” and “Destination is A business division member”, the access right is “A division”. Alternatively, if the extracted titles are “A new product development plan of business unit A” and “the destination is an officer”, the access right is “Board of Directors”.

  Next, the created summary information and the determined access right are displayed on the screen of the display unit 107 (step S507). FIG. 13 is a diagram illustrating summary information 301 displayed on the screen of the display unit 107, an access right icon 302, and a cursor image 303 that moves in response to the mouse operation of the operation unit 108 in the embodiment.

  Next, it is determined whether or not the displayed data has been corrected by operating the operation unit 108 (step S508). When the correction operation is performed (step S508; YES), the content of the summary information displayed in accordance with the correction operation is changed (step S509). Next, it is determined whether or not a determination operation has been performed by the operation unit 108 (step S510). If the determination operation has not been performed (step S510; NO), whether or not a correction operation has been performed is determined in step S508.

  When the determination operation is performed (step S510; YES), the created summary information and access right data are stored in the index memory 106 (step S511). When changing the access right, for example, the access right selected by the reverse display is changed according to the operation of the cursor key of the keyboard of the operation unit 108 or the operation of the mouse.

  As described above, according to the above-described embodiment, each terminal device 100, when the file created according to the operation is a capsule file that restricts browsing, has an access right that represents an element that restricts browsing ( (Browsing restriction information) is generated and stored in the index memory 106, the file stored in the file memory 105 is searched and a normal file (first file) with no browsing restrictions, and a capsule file with browsing restrictions (Second file) is classified, and a file record including a file ID for identifying each classified capsule file, a terminal ID for identifying its own terminal device, and an access right is transmitted to the server 200. On the other hand, when the server 200 stores the file record transmitted from each terminal device 100 in the storage memory 201 and receives a browsing request for the stored file record from any of the terminal devices 100, the server 200 Based on the access right of the capsule file, all file records within the range where browsing is permitted are transmitted to the terminal device 100 related to the browsing request. Therefore, it is possible to easily and quickly browse each file shared in a system of a company or the like.

  Further, according to the embodiment, each terminal device 100 periodically transmits a file ID, a terminal ID, and an access right to the server 200. For example, each terminal device 100 further includes a timer 109 that counts a predetermined time set in advance, and periodically transmits a file ID, a terminal ID, and an access right to the server 200 at each fixed time. Therefore, the latest information regarding the file can be shared within the system of a company or the like.

  In addition, according to the above embodiment, each terminal device 100 further generates summary information that summarizes the contents of the capsule file, and transmits the generated summary information to the server 200 by including the generated summary information in the file record. Therefore, since the contents of the file to be browsed are known before the file is acquired, the file search operation is not repeated many times because the file is different from the desired one after acquisition.

  Further, according to the above-described embodiment, the server 200 determines the file ID, the terminal ID for specifying the file position, and the browsing permission for all the capsule files stored in all the terminal devices 100 as the user ID and The access right specified by the affiliation is stored as a file record. Therefore, the complicated browsing work for each file, for example, all the files shared within the system of a company or the like without performing the browsing work for confirming whether or not browsing is possible by inputting the user ID and its affiliation. The desired file that can be browsed can be searched as a whole.

  Other suitable modifications of the present invention include the following configurations.

About the file management system according to the first aspect of the present invention,
Preferably, in each of the terminal devices, the transmission unit periodically transmits the file identification information, the terminal identification information, and the browsing restriction information to the management device.

  Preferably, each of the terminal devices further includes a timing unit that counts a predetermined time set in advance, and the transmission unit stores the file identification information, the terminal identification information, and the browsing restriction information for each predetermined time. It transmits periodically with respect to the said management apparatus, It is characterized by the above-mentioned.

  Preferably, in each terminal device, the generation unit further generates summary information summarizing the contents of each second file, and the transmission unit includes the generated summary information in the file management information. It transmits to a management apparatus, It is characterized by the above-mentioned.

  Preferably, in the management device, the storage unit includes, for all second files stored in all terminal devices, file identification information for identifying files, terminal identification information for identifying file positions, and whether or not browsing is possible. Is stored as file management information.

Regarding the file management method according to the second aspect of the present invention,
Preferably, in each of the terminal devices, the third step periodically transmits the file identification information, the terminal identification information, and the browsing restriction information to the management device.

  Preferably, each of the terminal devices further includes a seventh step of measuring a predetermined time set in advance, and the third step includes the file identification information, the terminal identification information, and The browsing restriction information is periodically transmitted to the management device.

  Preferably, in each of the terminal devices, the first step further generates summary information summarizing the contents of each second file, and the third step converts the generated summary information into the file management information. And transmitting to the management device.

  Preferably, in the management device, the fourth step includes file identification information for identifying files, terminal identification information for identifying file positions, and browsing for all second files stored in all terminal devices. It is characterized in that browsing restriction information that specifies whether or not the user can be identified by the user's identification information and its affiliation is stored as file management information.

Regarding the file management program according to the third aspect of the present invention,
Preferably, in the computer of each terminal device, the transmission means periodically transmits the file identification information, the terminal identification information, and the browsing restriction information to the management device.

  Preferably, the computer of each terminal device further has a function as a time measuring means for measuring a preset fixed time, and the transmission means includes the file identification information, the terminal identification information, And the browsing restriction information is periodically transmitted to the management device.

  Preferably, in the computer of each terminal device, the generation unit further generates summary information summarizing the contents of each second file, and the transmission unit includes the generated summary information in the file management information. And transmitting to the management device.

  Preferably, in the computer of each terminal device, the storage means includes, for all the second files stored in all the terminal devices, file identification information for identifying the file, terminal identification information for identifying the file position, and It is characterized in that browsing restriction information that specifies whether or not browsing is possible by identification information of a user and its affiliation is stored as file management information.

  In addition, the hardware configuration and flowcharts in the above-described embodiments and modifications are merely examples, and can be arbitrarily changed and modified.

  Further, when the file management system is realized by sharing of an OS (operating system) and an application program, or by cooperation between the OS and the application program, only the application program portion may be stored in the program memory 104.

  It is also possible to superimpose a file management program on a carrier wave and distribute it via a communication network. For example, a file management program may be posted on a bulletin board (BBS, Bulletin Board System) on a communication network, and the file management program may be distributed via the network. The file management program may be activated and executed in the same manner as other application programs under the control of the OS, so that the processing of the above-described embodiment may be executed.

It is a block diagram which shows the file management system in embodiment of this invention. It is a block diagram which shows the internal structure of the terminal device of FIG. It is a flowchart of the main routine performed by CPU of a terminal device in embodiment. FIG. 4 is a diagram illustrating file record data and file data created by the operation of FIG. 3. It is a figure showing the file record stored in each terminal device in an embodiment. It is a block diagram which shows the structure of the server and storage memory of FIG. It is a flowchart of the file record transmission process periodically performed by CPU of each terminal device in an embodiment. It is a figure which shows the affiliation information registered into the storage memory of the server in embodiment. It is a flowchart of the file record transmission performed by CPU of a server in embodiment. It is a flowchart of the capsule file request | requirement and transfer which are performed by CPU of each terminal device in embodiment. It is a flowchart of the summary information creation performed by CPU of each terminal device in an embodiment. 12 is a flowchart of a subroutine showing a detailed operation for creating summary information in FIG. 11. It is a figure which shows the summary information, access right, and cursor image which were displayed on the screen of the display part in embodiment.

Explanation of symbols

100 Terminal device 101 CPU
105 file memory 106 index memory 107 display unit 108 operation unit 109 timer 110 transmission unit 111 reception unit 200 server 201 storage memory 206 transmission unit 207 reception unit

Claims (15)

In a plurality of terminal devices and management devices connected via a communication line, a file management system that manages browsing of other terminal devices for information files created in each terminal device,
Each terminal device is
If the file created according to the operation is to restrict browsing, generating means for generating browsing restriction information representing an element that restricts browsing and storing it in a predetermined storage means,
Search means for searching for a file stored in the storage means to classify a first file having no browsing restriction and a second file having a browsing restriction;
File management information including file identification information for identifying each second file classified by the search means, terminal identification information for identifying its own terminal device, and browsing restriction information generated by the generation means is stored in the management device. A transmission means for transmitting via the communication line;
With
The management device
Storage means for storing the file management information transmitted from each terminal device;
Receiving means for receiving a browsing request for file management information stored in the storage means from any terminal device;
Based on the browsing request received by the receiving unit and the browsing restriction information of each second file stored in the storage unit, all file management information within a range that allows browsing is stored in the terminal device related to the browsing request. A transmission means for transmitting via the communication line;
Comprising
A file management system characterized by that.   2. The file according to claim 1, wherein in each of the terminal devices, the transmission unit periodically transmits the file identification information, the terminal identification information, and the browsing restriction information to the management device. Management system.   Each of the terminal devices further includes a timing unit that counts a predetermined time set in advance, and the transmission unit stores the file identification information, the terminal identification information, and the browsing restriction information for each predetermined time. The file management system according to claim 2, wherein the file management system is periodically transmitted.   In each of the terminal devices, the generation unit further generates summary information summarizing the contents of each second file, and the transmission unit includes the generated summary information in the file management information and stores the summary information in the management device. The file management system according to claim 1, wherein transmission is performed.   In the management device, the storage means determines whether or not the file identification information for identifying the file, the terminal identification information for identifying the file position, and whether or not browsing is possible for all the second files stored in all the terminal devices. The file management system according to claim 1, wherein the identification information and browsing restriction information specified by its affiliation are stored as file management information. In a plurality of terminal devices and management devices connected via a communication line, a file management method for managing browsing of other terminal devices for information files created in each terminal device,
Each terminal device is
A first step of generating browsing restriction information representing an element that restricts browsing and storing it in a predetermined storage means when the file created according to the operation is to limit browsing;
A second step of searching for a file stored in the storage means and classifying the first file without browsing restrictions and the second file with browsing restrictions;
File management information including file identification information for identifying each second file classified by the second step, terminal identification information for identifying its own terminal device, and browsing restriction information generated by the first step A third step of transmitting to the management device via the communication line;
Run
The management device
A fourth step of storing the file management information transmitted from each terminal device in a predetermined storage unit;
A fifth step of receiving a browsing request for file management information stored in the storage means from any of the terminal devices;
A terminal related to the browsing request for all file management information within a range in which browsing is permitted based on the browsing request received by the fifth step and the browsing restriction information of each second file stored in the storage unit A sixth step of transmitting to the device via the communication line;
Run the
A file management method characterized by the above.   The said each terminal apparatus WHEREIN: A said 3rd step transmits the said file identification information, the said terminal identification information, and the said browsing restriction information regularly with respect to the said management apparatus, It is characterized by the above-mentioned. File management method.   Each of the terminal devices further includes a seventh step of measuring a preset fixed time, and the third step includes the file identification information, the terminal identification information, and the browsing restriction for each fixed time. 8. The file management method according to claim 7, wherein information is periodically transmitted to the management apparatus.   In each terminal device, the first step further generates summary information summarizing the contents of each second file, and the third step includes the generated summary information in the file management information. The file management method according to claim 6, wherein the file management method is transmitted to the management apparatus.   In the management device, in the fourth step, for all the second files stored in all the terminal devices, file identification information for identifying the files, terminal identification information for identifying the file positions, and whether or not browsing is possible. 7. The file management method according to claim 6, wherein the user identification information and the browsing restriction information specified by its affiliation are stored as file management information. In a plurality of terminal devices and management devices connected via communication lines, when managing browsing of other terminal devices for information files created in each terminal device,
A computer for each terminal device;
If the file was created in response to the operation is intended to limit the viewing the raw Narute stage generates and stores a browse restriction information indicating an element that limits the view in a predetermined storage means,
Search means to classify and search for files that are stored with the first file no viewing restriction and a second file that has viewing restriction in the storage means,
File management information including file identification information for identifying each second file classified by the search means, terminal identification information for identifying its own terminal device, and browsing restriction information generated by the generation means is stored in the management device. to function as a transmission hand stage, to be transmitted through the communication line for,
A computer of the management device;
Said storage Hand stage storing the file management information transmitted from each terminal device,
Reception means to receive from any of the terminal devices a browse request to the file management information stored in said storage means,
Based on the browsing request received by the receiving unit and the browsing restriction information of each second file stored in the storage unit, all file management information within a range that allows browsing is stored in the terminal device related to the browsing request. to function as a transmission hand stage, to be transmitted through the communication line for,
A file management program characterized by that.   12. The computer of each terminal device, wherein the transmission unit periodically transmits the file identification information, the terminal identification information, and the browsing restriction information to the management device. File management program.   The computer of each terminal device further has a function as a time measuring means for measuring a predetermined time set in advance, and the transmission means has the file identification information, the terminal identification information, and the browsing for each fixed time The file management program according to claim 12, wherein the restriction information is periodically transmitted to the management apparatus.   In the computer of each terminal device, the generation unit further generates summary information summarizing the contents of each second file, and the transmission unit includes the generated summary information in the file management information and performs the management. The file management program according to claim 11, wherein the file management program is transmitted to a device. In the computer of the management device, the storage means determines file identification information for identifying a file, terminal identification information for identifying a file position, and browsing permission for all second files stored in all terminal devices. 12. The file management program according to claim 11, wherein the identification information of the user and the browsing restriction information specified by its affiliation are stored as file management information.

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