Document management system, information processing device, information processing method and program

Abstract

To provide a document management system that is more convenient for users.SOLUTION: A document management system includes a control unit, a storage unit, and a display unit. The storage unit stores document information including information about contents of each of a plurality of document files and information about an attribute of each of the plurality of document files. The control unit groups the document information in the storage unit based on a predetermined similarity degree, searches the document information for target document information as a search target based on a search condition received from a user, and displays, on the display unit, a portion of the document information in the group to which the target document information belongs, based on a predetermined display condition.SELECTED DRAWING: Figure 1

Description

[Technical Field]

[0001] The present disclosure relates to a document management system, an information processing device, an information processing method, and a program. [Background technology]

[0002] Systems have been developed for collecting and managing document files. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2011-39884 Summary of the Invention [Problem to be solved by the invention]

[0004] The problem to be solved by the present disclosure is to provide a document management system that is more convenient for users. [Means for solving the problem]

[0005] According to an embodiment, a document management system includes a control unit, a storage unit, and a display unit. The storage unit stores document information including information about the content of each of a plurality of document files and information about the attributes of each of the plurality of document files. The control unit groups the document information in the storage unit based on a predetermined similarity, searches the document information for target document information based on search conditions received from a user, and displays, on the display unit, a portion of the document information in the group to which the target document information belongs, based on predetermined display conditions. [Brief explanation of the drawings]

[0006] [Figure 1] FIG. 1 is a block diagram showing the functional configuration of a document management system according to an embodiment. [Figure 2]FIG. 2 is a data diagram illustrating a document information database. [Figure 3] FIG. 3 is a flow diagram showing the process flow of the document management system. [Figure 4] FIG. 4 is a flow diagram showing the flow of the crawling process. [Figure 5] FIG. 5 is a flow diagram showing the flow of the grouping process. [Figure 6] FIG. 6 is a flow diagram showing the flow of the search process. [Figure 7] FIG. 7 is a schematic diagram illustrating a display mode in the search process. [Figure 8] FIG. 8 is a schematic diagram illustrating a display mode in the search process of the first modified example. [Figure 9] FIG. 9 is a schematic diagram illustrating an example of the grouping process of the second modification. [Figure 10] FIG. 10 is a schematic diagram illustrating an example of the grouping process of the third modification. [Figure 11] FIG. 11 is a diagram showing the hardware configuration of an information processing device provided in the document management system. DETAILED DESCRIPTION OF THE INVENTION

[0007] <1. Embodiment> Hereinafter, each embodiment of the present disclosure will be described with reference to the drawings. In this specification and each drawing, elements similar to those already described will be assigned the same reference numerals and detailed description will not be repeated. In this disclosure, a user means an entity that manages and / or searches document files using functions provided by the document management system 100.

[0008] (1.1. Functional Configuration of Document Management System 100) The functional configuration of a document management system 100 according to an embodiment will be described with reference to Fig. 1. As shown in Fig. 1, the document management system 100 includes a terminal device 10, a file server 20, and a management device 30. The terminal device 10, the file server 20, and the management device 30 are configured to be able to communicate with each other via a network.

[0009] The terminal device 10 is an information processing device that includes input means and output means and can be operated by a user. The terminal device 10 may be a general-purpose or dedicated personal computer, a smart device, or the like. Smart devices include tablet terminals, smartphones, smart glasses, smart watches, and the like. The terminal device 10 includes a display unit 11 as output means. The hardware configuration of the terminal device 10 will be described later.

[0010] The file server 20 is an information processing device that functions as a storage unit of the document management system 100 and stores and shares data. In this embodiment, the file server 20 stores information about a plurality of document files as document information.

[0011] The management device 30 is an information processing device that provides the functions of the document management system 100 as a server. The management device 30 includes a control unit 40 and a storage unit 50. The control unit 40 serves as a processor and controls the processing of the management device 30. The control unit 40 includes a document information collection module 41, a grouping module 42, and a search module 43.

[0012] The document information collection module 41 collects document information in the file server 20 and generates a document information database 51 in the storage unit 50. The processing of the document information collection module 41 and the document information database 51 will be described in detail later.

[0013] The grouping module 42 performs grouping (division into groups) based on a predetermined degree of similarity on the document information in the document information database 51. The processing of the grouping module 42 will be described in detail later.

[0014] The search module 43 searches for target document information to be searched from document information in the document information database 51 based on search conditions received from the user, and displays part of the document information in the group to which the target document information belongs on the display unit 11 of the terminal device 10 based on predetermined display conditions. Details of the processing of the search module 43 will be described later.

[0015] The storage unit 50 stores programs and data necessary for processing by the control unit 40, data obtained by processing by the control unit 40, etc. As an example, the storage unit 50 stores a document information database 51. The document information database 51 stores document information including information about the content of each of a plurality of document files (hereinafter also referred to as content information) and information about the attributes of each of the plurality of document files (hereinafter also referred to as attribute information). Note that the information about the attributes is additional information about the properties or characteristics shared by the document files, and may include, for example, information about the name of the document file, information about the storage location of the document file, information about the size of the document file, etc.

[0016] (1.2. Document Information Database 51) The data structure of the document information database 51 will be described with reference to Fig. 2. Note that the data structure shown in Fig. 2 is an example and is not limited to this form. As shown in Fig. 2, the document information database 51 holds document information related to document files as records. Each record in the document information database corresponds to one document file and has an item "Document ID", an item "File name", an item "Save destination", an item "Text content", an item "File size", an item "Update date and time", and an item "Group ID".

[0017] The item "document ID" is an identifier for uniquely identifying document information stored in the document information database 51. The item "document ID" functions as a primary key of the document information database 51.

[0018] The item "file name" is information about the name of the document file corresponding to the record, and is included in the attribute information of the document file.

[0019] The item "save destination" is information about the save destination of the document file corresponding to the record, and is included in the attribute information of the document file. As an example, the item "save destination" may be information about the path of the folder in which the document file is stored in the file server 20 (a character string indicating the location of the folder).

[0020] The item "Text content" is information about the content of the text of the document file corresponding to the record, and is content information of the document file.

[0021] The item "file size" is information about the file size of the document file corresponding to the record, and is included in the attribute information of the document file.

[0022] The item "Updated Date and Time" is information relating to the updated date and time of the document file corresponding to the record, and is included in the attribute information of the document file.

[0023] The item "Group ID" is an identifier for identifying the group to which the document file corresponding to the record belongs. The document information in the document information database 51 is grouped based on a predetermined degree of similarity. The grouping process will be described in detail later.

[0024] (1.3. Processing flow) 3 to 7, the flow of processing in the document management system 100 will be described. FIG.

[0025] 3, crawling processing (S100), grouping processing (S200), and search processing (S300) are executed in the document management system 100. Each process will be described in detail below.

[0026] The flow of the crawling process (S100) will be described with reference to Fig. 4. In step S110, the document information collection module 41 of the control unit 40 collects document information of multiple document files in the file server. The document information collection module 41 acquires attribute information and content information for the multiple document files in the file server.

[0027] In step S120, the document information collection module 41 updates the document information database 51 based on the collected document information. As an example, the document information collection module 41 adds a record to the document information database 51 based on the collected document information. As another example, the document information collection module 41 updates the record of the document information collection module 41 based on the collected document information.

[0028] The flow of the grouping process (S200) will be described with reference to Fig. 5. In step S210, the grouping module 42 of the control unit 40 acquires one piece of document information that has been added (or updated) to the document information database 51.

[0029] In step S220, the grouping module 42 determines whether the update date and time of the document file (hereinafter referred to as the grouping target file) corresponding to the acquired document information is later than the previous crawling process. If the update date and time of the grouping target file is later than the previous crawling process (YES in step S220), step S230 is executed. On the other hand, if the update date and time of the grouping target file is not later than the previous crawling process (NO in step S220), step S235 is executed.

[0030] In step S230, the grouping module 42 searches the document information database 51 for document information having the same attribute information as the grouping target file. If the document information has a plurality of pieces of attribute information, the grouping module 42 may acquire document information having the same one piece of attribute information, or may acquire document information having the same two or more pieces of attribute information.

[0031] In step S235, the grouping module 42 calculates the similarity of the content information of the files to be grouped, and searches for document information with similar content information in the document information database 51. In calculating the similarity of the content information, existing text analysis techniques may be used, such as a vector space model that represents documents as vectors and evaluates the similarity by calculating the distance and angle between the vectors, or feature extraction that extracts features such as important words, phrases, and syntactic structures of documents and compares the similarity between them.

[0032] In step S240, the grouping module 42 determines whether or not there are search results in step S230 or step S240. If there are search results (YES in step S240), step S250 is executed. On the other hand, if there are no search results (NO in step S240), step S255 is executed.

[0033] In step S250, the grouping module 42 assigns the existing group ID assigned to the document information of the search result to the files to be grouped.

[0034] In step S255, the grouping module 42 assigns the newly issued group ID to the files to be grouped.

[0035] In step S260, the grouping module 42 determines whether or not the assignment of group IDs has been completed for all of the document information added (or updated) to the document information database 51. If the assignment of group IDs has been completed (YES in step S260), the grouping process ends. If the assignment of group IDs has not been completed (NO in step S260), the process returns to step S210 and continues.

[0036] The grouping module 42 may perform grouping taking into consideration conditions related to attribute information in addition to the similarity of content information. Specifically, for example, in step S235, the grouping module 42 may refer to information related to the storage destination of document information as attribute information of document information, and search for document information with similar content information from document information whose information related to the storage destination satisfies predetermined conditions. Then, in step S255, the grouping module 42 may assign the group ID of the searched document information to the files to be grouped.

[0037] The flow of the search process (S300) will be described with reference to Fig. 6. In step S310, the search module 43 of the control unit 40 acquires a search keyword as a search condition received from the user.

[0038] In step S320, the search module 43 acquires target document information that matches the search keyword and is to be searched for in the document information database 51. The search module 43 may acquire document information that includes the search keyword in its content information as the target document information, or may acquire document information that includes the search keyword in its attribute information as the target document information.

[0039] In step S330, the search module 43 acquires the item "group ID" of the record corresponding to the target document information in the document information database 51.

[0040] In step S340, the search module 43 displays some of the document information belonging to the group corresponding to the acquired item "group ID" on the display unit 11 of the terminal device 10 based on predetermined display conditions. The display conditions may be, for example, conditions related to the update date and time of the document information in the group to which the target document information belongs. As an example, the search module 43 may display, on the display unit 11, the document information with the most recent update date and time in the group to which the target document information belongs.

[0041] In the example shown in Figure 7, document files F1 and F2 stored in the department shared folder and document file F3 stored in the presentation shared folder are integrated as files belonging to a group of target document information, and only document file F3, which has the most recent update date and time, is displayed on the search result screen 60 of the display unit 11.

[0042] (1.4. Variations) Modifications of the above embodiment will be described below with reference to Figures 8 to 10. Figure 8 is a schematic diagram illustrating a display mode in the search process of Modification 1. In Modification 1, the search module 43 of the control unit 40 displays a plurality of pieces of document information in a group to which the target document information belongs on the search result screen 60 of the display unit 11 in order of update date and time.

[0043] In the example shown in Figure 8, document files F1 and F2 stored in the department shared folder and document file F3 stored in the presentation shared folder are integrated as files belonging to a group of target document information, and document file F3, which has the most recent update date and time, is displayed large on search result screen 60 of display unit 11, and below it, document files F1 to F3 are displayed in order of update date and time.

[0044] FIG. 9 is a schematic diagram illustrating an example of grouping processing in Modification 2. In Modification 2, the grouping module 42 of the control unit 40 calculates the similarity of information related to names as a predetermined similarity after taking into consideration conditions related to attribute information, and performs grouping. Specifically, the grouping module 42 calculates the similarity of information related to names for document information whose information related to storage destination satisfies a predetermined condition, and performs grouping. The predetermined condition may be that the storage destination is the same folder. Note that the "same folder" may include subfolders under that folder.

[0045] In the example shown in Figure 9, document file F4, document file F5, and document file F6 stored in the department shared folder are integrated as grouping targets, and document file F7 stored in the presentation shared folder is not grouped.

[0046] FIG. 10 is a schematic diagram illustrating an example of grouping processing in Modification 3. In Modification 3, the grouping module 42 calculates the similarity of information related to names for document information whose information related to file size satisfies a predetermined condition, and performs grouping. The predetermined condition may be that the file sizes are the same or that the file sizes are similar. Note that "file sizes are similar" may also mean that the two file sizes being compared are within a predetermined ratio.

[0047] In the example shown in Figure 10, document file F4 stored in the department shared folder and document file F7 stored in the presentation shared folder have the same file size and matching file names, so they are integrated as grouping targets, while document file F5 and document file F6 stored in the department shared folder have different file sizes and are therefore not grouping targets.

[0048] (1.5. Hardware configuration of information processing device) 11, a description will be given of the hardware configuration of information processing devices used in the terminal device 10, the file server 20, and the management device 30. The terminal device 10, the file server 20, and the management device 30 as information processing devices are realized, as an example, by a computer 90 shown in FIG. 11. The computer 90 includes a CPU 91, a ROM 92, a RAM 93, a storage 94, an input interface 95, an output interface 96, and a communication interface 97.

[0049] The CPU 91 functions as a processor that executes processing. Specifically, the CPU 91 uses the RAM 93 as a work memory and executes a program stored in at least one of the ROM 92 and the storage 94. During program execution, the CPU 91 controls each component via a system bus 98 and executes various processes. As an example, the CPU 91 functions as the control unit 40.

[0050] The ROM 92 stores a program that controls the operation of the computer 90. The ROM 92 stores a program necessary for causing the computer 90 to perform each of the above-described processes. The RAM 93 functions as a storage area in which the programs stored in the ROM 92 are expanded.

[0051] The storage 94 stores data necessary for executing the program and data obtained by executing the program. The storage 94 includes one or more selected from a hard disk drive (HDD) and a solid state drive (SSD). As an example, the storage 94 functions as the memory unit 50.

[0052] The input interface (I / F) 95 can connect the computer 90 to an input device 95a. The input interface 95 is, for example, a serial bus interface such as USB. The CPU 91 can read various data from the input device 95a via the input interface 95.

[0053] The output interface (I / F) 96 can connect the computer 90 and an output device 96a. The output interface 96 is, for example, a video output interface such as a Digital Visual Interface (DVI) or a High-Definition Multimedia Interface (HDMI (registered trademark)). The CPU 91 can transmit data to the output device 96a via the output interface 96 and cause the output device 96a to output the data. As an example, the output device 96a may be the display unit 11 of the terminal device 10.

[0054] The input device 95a includes one or more selected from a mouse, a keyboard, a microphone (voice input), and a touchpad. The output device 96a includes one or more selected from a display, a projector, a printer, and a speaker. A device having the functions of both the input device 95a and the output device 96a, such as a touch panel, may also be used.

[0055] The communication interface (I / F) 97 can connect the computer 90 to an external server 97a located outside the computer 90. The communication interface 97 is, for example, a network card such as a LAN card. The CPU 91 can read various data from the external server 97a via the communication interface 97.

[0056] The processes executed by the terminal device 10, the file server 20, and the management device 30 may be realized by one computer 90 or by a plurality of computers 90 working together.

[0057] The various data processing operations described above may be recorded as a computer-executable program on a magnetic disk (such as a flexible disk or hard disk), an optical disk (such as a CD-ROM, CD-R, CD-RW, DVD-ROM, DVD±R, or DVD±RW), a semiconductor memory, or other non-transitory computer-readable storage medium.

[0058] For example, information recorded on a recording medium can be read by a computer (or an embedded system). The recording medium may have any recording format (storage format). For example, the computer reads a program from the recording medium and causes a processor to execute instructions written in the program based on the program. The computer may acquire (or read) the program via a network.

[0059] (1.6.Summary) As described above, the document management system 100 according to this embodiment includes a control unit 40, a storage unit 50, and a display unit 11. The storage unit 50 stores document information including information about the content of each of a plurality of document files and information about the attributes of each of the plurality of document files. The control unit 40 groups the document information in the storage unit based on a predetermined similarity, searches for target document information from the document information based on search conditions received from the user, and displays, on the display unit, a portion of the document information in the group to which the target document information belongs, based on predetermined display conditions. This configuration prevents a large number of document files from being displayed as search results, thereby providing a document management system that is more convenient for users.

[0060] Furthermore, the control unit 40 may collect document information in the storage unit 50, generate a document information database 51, group the document information in the document information database 51 based on similarity, search for target document information to be searched from the document information in the document information database 51 based on search conditions, and display one of the document information in the group to which the target document information belongs on the display unit 11 based on display conditions. By adopting such specifications, a document management system that is more convenient for users can be provided as one specific form of information processing.

[0061] Furthermore, the control unit 40 may calculate the similarity of information related to the content as the predetermined similarity and perform grouping. By adopting such specifications, highly related document files can be reliably grouped based on the content of the document information.

[0062] Furthermore, the document information may include information about the storage destination of each of the multiple document files, and the control unit 40 may calculate the similarity of information about the content of document information whose information about the storage destination satisfies a predetermined condition and perform grouping. By adopting such specifications, multiple document files can be narrowed down based on the information about the storage destination and then the similarity of the content can be calculated, thereby reducing the load of the grouping process.

[0063] Furthermore, the control unit 40 may calculate the similarity of information related to names as the predetermined similarity and perform grouping. By adopting such specifications, the process of calculating the similarity can be simplified and the grouping process can be performed.

[0064] Furthermore, the control unit 40 calculates the similarity of the information about the name of document information whose information about the storage destination satisfies a predetermined condition, and performs grouping. By adopting such specifications, the process of calculating the similarity can be further simplified to perform the grouping process.

[0065] Furthermore, for document information with matching file size information, the control unit 40 calculates the similarity of the information related to the name and performs grouping. By adopting such specifications, the process of calculating the similarity can be further simplified and grouping processing can be performed.

[0066] Furthermore, the display conditions for the target document information as a search result may be conditions related to the update date and time of the document information in the group to which the target document information belongs, and the control unit 40 may display the document information with the most recent update date and time in the group to which the target document information belongs on the display unit 11. By adopting such specifications, it is possible to prevent the user from using document files with old update dates and times, thereby improving user convenience.

[0067] The control unit 40 may also display the document information in the group to which the target document information belongs in order of update date and time on the display unit. By using this specification, multiple files related to the target document information are displayed in a list by update date and time, which improves the convenience of document management for the user.

[0068] <2. Other embodiments> The document management system 100 according to the present embodiment has been described above, but application of the technical idea of ​​the present disclosure is not limited to the above embodiment. For example, in the above embodiment, an example was described in which document information with matching file size information is grouped by calculating the similarity of information related to name, but the present disclosure is not limited to this example. For example, document information with matching update date and time information may be grouped by calculating the similarity of information related to name.

[0069] In the above embodiment, the document management system 100 includes the file server 20 that stores a plurality of document files and the storage unit 50 of the management device 30 that stores the document information database 51, but the present invention is not limited to this. That is, the plurality of document files and the document information database may be stored in either the file server 20 or the storage unit 50. Alternatively, instead of the file server 20, they may be stored in a hard disk such as a NAS (Network Attached Storage).

[0070] In the above embodiment, the terminal device 10 includes the display unit 11, but the present invention is not limited to this. That is, the management device 30 may include the display unit, or another information processing device may include the display unit.

[0071] The disclosure may include the following features. (Appendix 1) The device includes a control unit, a storage unit, and a display unit, the storage unit stores document information including information on the contents of each of a plurality of document files and information on the attributes of each of the plurality of document files; The control unit The document information in the storage unit is grouped based on a predetermined similarity; Searching for target document information to be searched from the document information based on search conditions received from the user; A document management system that displays, on the display unit, a portion of document information in a group to which the target document information belongs, based on predetermined display conditions. (Appendix 2) The control unit collecting the document information in the storage unit to generate a document information database; grouping the document information in the document information database based on the similarity; Searching for target document information to be searched from document information in the document information database based on the search conditions; 2. The document management system according to claim 1, wherein one of the document information in the group to which the target document information belongs is displayed on the display unit based on the display condition. (Appendix 3) 3. The document management system according to claim 1, wherein the control unit calculates a similarity of information relating to the content as the predetermined similarity and performs the grouping. (Appendix 4) the document information includes information about a storage location of each of the plurality of document files; The document management system according to any one of appendices 1 to 3, wherein the control unit calculates the similarity of information regarding the content of document information whose information regarding the storage destination satisfies predetermined conditions, and performs the grouping. (Appendix 5) The document management system according to any one of appendices 1 to 4, wherein the control unit calculates the similarity of information relating to the names of each of the plurality of document files as the predetermined similarity and performs the grouping. (Appendix 6) The document management system of any one of Appendix 1 to Appendix 5, wherein the document information includes information regarding the storage destination of each of the plurality of document files, and the control unit calculates the similarity of information regarding the name for document information whose information regarding the storage destination satisfies a predetermined condition, and performs the grouping. (Appendix 7) The document management system according to any one of Supplementary Note 1 to Supplementary Note 5, wherein the control unit calculates the similarity of information relating to the names of document information having matching information regarding file sizes, and performs the grouping. (Appendix 8) The document management system according to any one of appendices 1 to 5, wherein the control unit calculates the similarity of information relating to the name for document information having matching information regarding the update date and time, and performs the grouping. (Appendix 9) 9. The document management system according to any one of appendices 1 to 8, wherein the display condition is a condition related to update date and time of document information in a group to which the target document information belongs. (Appendix 10) 10. The document management system according to claim 9, wherein the control unit causes the display unit to display document information with the latest update date and time within the group to which the target document information belongs, based on the display conditions. (Appendix 11) 10. The document management system according to claim 9, wherein the control unit displays the document information in the group to which the target document information belongs in order of update date and time on the display unit based on the display conditions. (Appendix 12) The device includes a control unit, a storage unit, and a display unit, the storage unit stores document information including information on the contents of each of a plurality of document files and information on the attributes of each of the plurality of document files; The control unit The document information in the storage unit is grouped based on a predetermined similarity; Searching for target document information to be searched from the document information based on search conditions received from the user; An information processing apparatus that displays, on the display unit, a part of document information in a group to which the target document information belongs, based on a predetermined display condition. (Appendix 13) An information processing method for causing an information processing device including a control unit, a storage unit, and a display unit to execute a process, storing document information including information on the contents of each of a plurality of document files and information on the attributes of each of the plurality of document files in the storage unit; The control unit grouping the document information in the storage unit based on a predetermined similarity; Searching for target document information to be searched from the document information based on search conditions received from the user; An information processing method for displaying, on the display unit, a part of document information in a group to which the target document information belongs, based on predetermined display conditions. (Appendix 14) A program for causing an information processing device including a control unit, a storage unit, and a display unit to execute a process, storing document information including information on the contents of each of a plurality of document files and information on the attributes of each of the plurality of document files in the storage unit; The control unit grouping the document information in the storage unit based on a predetermined similarity; Searching for target document information to be searched from the document information based on search conditions received from the user; A program that displays, on the display unit, a portion of document information in a group to which the target document information belongs, based on predetermined display conditions.

[0072] Although several embodiments of the present disclosure have been illustrated above, these embodiments are presented by way of example only and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other forms, and various omissions, substitutions, modifications, etc. can be made without departing from the spirit of the invention. These embodiments and their modifications are included within the scope and spirit of the invention, as well as within the scope of the invention and its equivalents as set forth in the claims. Furthermore, the above-described embodiments can be implemented in combination with each other. [Explanation of symbols]

[0073] 10: terminal device, 11: display unit, 20: file server, 30: management device, 40: control unit, 41: document information collection module, 42: grouping module, 43: search module, 50: memory unit, 51: document information database, 60: search result screen, 90: computer, 91: CPU, 92: ROM, 93: RAM, 94: storage, 95: input interface, 95a: input device, 96: output interface, 96a: output device, 97: communication interface, 97a: external server, 98: system bus, 100: document management system

Claims

1. The device includes a control unit, a storage unit, and a display unit, the storage unit stores document information including information on the contents of each of a plurality of document files and information on the attributes of each of the plurality of document files; The control unit The document information in the storage unit is grouped based on a predetermined similarity; Searching for target document information to be searched from the document information based on search conditions received from the user; A document management system that displays, on the display unit, a portion of document information in a group to which the target document information belongs, based on predetermined display conditions.

2. The control unit collecting the document information in the storage unit to generate a document information database; grouping the document information in the document information database based on the similarity; Searching for target document information to be searched from document information in the document information database based on the search conditions; 2. The document management system according to claim 1, wherein one of the document information in the group to which the target document information belongs is displayed on the display unit based on the display condition.

3. The document management system according to claim 1 , wherein the control unit performs the grouping by calculating a similarity of information related to the content as the predetermined similarity.

4. the document information includes information about a storage location of each of the plurality of document files; The document management system according to claim 3 , wherein the control unit performs the grouping by calculating a similarity of information about the contents of document information whose information about the storage destination satisfies a predetermined condition.

5. The document management system according to claim 1 , wherein the control unit performs the grouping by calculating, as the predetermined similarity, a similarity between information relating to names of the plurality of document files.

6. the document information includes information about a storage location of each of the plurality of document files; The document management system according to claim 5 , wherein the control unit performs the grouping by calculating a similarity of information relating to the name of document information whose information relating to the storage destination satisfies a predetermined condition.

7. The document management system according to claim 5 , wherein the control unit performs the grouping by calculating a similarity of information relating to the name for document information having the same information about file size.

8. The document management system according to claim 5 , wherein the control unit performs the grouping by calculating a similarity of information relating to the name for document information having the same information relating to the update date and time.

9. 3. The document management system according to claim 1, wherein the display condition is a condition relating to update dates and times of document information within a group to which the target document information belongs.

10. The document management system according to claim 9 , wherein the control unit causes the display unit to display, based on the display conditions, the document information with the most recent update date and time within the group to which the target document information belongs.

11. The document management system according to claim 9 , wherein the control unit causes the display unit to display the document information in the group to which the target document information belongs in order of update date and time based on the display conditions.

12. The device includes a control unit, a storage unit, and a display unit, the storage unit stores document information including information on the contents of each of a plurality of document files and information on the attributes of each of the plurality of document files; The control unit The document information in the storage unit is grouped based on a predetermined similarity; Searching for target document information to be searched from the document information based on search conditions received from the user; An information processing apparatus that displays, on the display unit, a part of document information in a group to which the target document information belongs, based on a predetermined display condition.

13. An information processing method for causing an information processing device including a control unit, a storage unit, and a display unit to execute a process, storing document information including information on the contents of each of a plurality of document files and information on the attributes of each of the plurality of document files in the storage unit; The control unit grouping the document information in the storage unit based on a predetermined similarity; Searching for target document information to be searched from the document information based on search conditions received from the user; An information processing method for displaying, on the display unit, a part of document information in a group to which the target document information belongs, based on predetermined display conditions.

14. A program for causing an information processing device including a control unit, a storage unit, and a display unit to execute a process, storing document information including information on the contents of each of a plurality of document files and information on the attributes of each of the plurality of document files in the storage unit; The control unit grouping the document information in the storage unit based on a predetermined similarity; Searching for target document information to be searched from the document information based on search conditions received from the user; A program that displays, on the display unit, a portion of document information in a group to which the target document information belongs, based on predetermined display conditions.

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