JP2016091180A - Information processing system, method for controlling information processing system, and program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enhance the convenience of allowing a user to browse a document by automatically updating document data if the document data has been already displayed in a client terminal and displaying update information if the document data has not been displayed in the client terminal in the case there is document data update.SOLUTION: In the case that document data managed by a server is updated, whether or not to update the document data is determined without receiving an instruction to update the document data from the user on the basis of whether the document data has been already displayed in the client terminal.SELECTED DRAWING: Figure 5

Description

  The present invention relates to an information processing system, a control method for the information processing system, and a program. In particular, when document data is updated, the document data is automatically updated if the document data is already displayed on the client terminal. The present invention relates to a mechanism that can improve the convenience of browsing a document by a user by displaying update information if it has not been displayed on a client terminal.

  In recent years, document data is managed on a server in order to share one document data among a plurality of users. In order for a user to browse document data managed by the server, the document data managed by the server is often loaded into the user's client terminal and viewed using a browsing application.

  However, in the conventional document data management mechanism, when the document data (original) on the server is updated after the document data managed on the server is taken into the client terminal of the user, It is not possible to easily confirm that the document data imported to the client terminal has been updated.

  Therefore, Patent Document 1 discloses a technique for displaying, on a client terminal, differential data for recording the updated contents of document data when document data imported from the server to the client terminal is updated on the server. Yes.

JP 2000-81999 A

  However, in the case of the technique described in Patent Document 1, difference data is presented regardless of whether or not the document data before being updated has already been displayed on the client terminal. Then, the document data before being browsed by the user (document data stored in the client terminal but not displayed) is presented as difference data even though the user does not need to confirm the difference. Therefore, there is a possibility that browsing may be hindered for the user.

  The present invention automatically updates the document data if the document data has been displayed on the client terminal, and displays update information if the document data has not been displayed on the client terminal. It is an object of the present invention to provide a mechanism capable of enhancing the convenience of browsing a document by a user.

  The present invention is an information processing system including a server device and an information processing device, wherein the server device manages document data managing means for document data, and the document data managed by the managing means, Update information for updating the document data to updated document data, and the information processing apparatus manages display information indicating whether or not the document data has been displayed on the display screen of the information processing apparatus Determining means for determining whether or not the document data updated by the updating means has been displayed on the information processing apparatus according to display information of the document data managed by the display information managing means; Update document data in which the document data is updated when the determination unit determines that the document data has not been displayed on the display screen of the information processing apparatus Update document data obtained by updating the document data by the acquisition unit when the determination unit determines that the document data has already been displayed on the display screen of the information processing apparatus. Instruction receiving means for receiving an instruction as to whether to acquire the document data, and the acquisition means further updates the document data when the instruction receiving means receives an instruction to update the document data. Data is acquired from the server device.

  The present invention also relates to a method for controlling an information processing system including a server device and an information processing device, wherein the document data management means of the server device manages document data, and the server device. Updating means for updating the document data managed in the management process to updated document data obtained by updating the document data; and display information management means of the information processing apparatus, A display information management step for managing display information indicating whether or not the information is already displayed on the display screen of the information processing device; and a determination unit of the information processing device, wherein the document data updated in the update step is A determination step of determining whether or not display has been performed according to display information of the document data managed by the display information management step, and an acquisition unit of the information processing apparatus An acquisition step of acquiring updated document data obtained by updating the document data from the server device when the determination step determines that the document data has not been displayed on the display screen of the information processing device; and the information processing device Whether the instruction receiving unit acquires updated document data obtained by updating the document data by the acquiring unit when it is determined by the determining step that the document data has already been displayed on the display screen of the information processing apparatus. An instruction accepting step for accepting an instruction on whether or not, and when the obtaining step further accepts an instruction to update the document data in the instruction accepting step, the updated document data is updated to the server. It is acquired from an apparatus.

According to the present invention, when there is an update in the document data, the update is automatically performed if the document data is already displayed on the client terminal, and the update information is displayed if the document data is not displayed on the client terminal. Thus, it is possible to provide a mechanism that can improve the convenience of browsing the document by the user.

It is a system configuration diagram showing an example of a document management system of the present invention. FIG. 2 is a diagram illustrating an example of a hardware configuration of an information processing apparatus applicable as the document management server 101 and the client terminal 102 in FIG. 1. 2 is a diagram illustrating an example of functional configurations of a document management server 101 and a client terminal 102. FIG. FIG. 10 is an example of a flowchart showing a process for storing and displaying document data stored in the document management server 101 in accordance with a user operation on the client terminal 102; FIG. FIG. 5 is an example of a flowchart showing details of an update confirmation process in step S408 of FIG. 4. FIG. It is an example of the flowchart which shows the detail of the update process of FIG.4 S412. 6 is a diagram illustrating an example of a data table for managing document data created by a user stored in an external memory 211 of the document management server 101. FIG. FIG. 5 is a diagram showing an example of a data table for managing information of document data acquired by the client terminal 102 from the document management server 101 in step S401 of FIG. 5 is a diagram illustrating an example of a screen of document data displayed on the display 210 of the client terminal 102 in step S401 of FIG. 3 is a diagram illustrating an example of a data table for managing information of document data acquired by a client terminal 102 from a document management server 101. FIG. 6 is a diagram illustrating an example of a screen of document data displayed on a display 210 of the client terminal 102. FIG. 3 is a diagram illustrating an example of a data table for managing information of document data acquired by a client terminal 102 from a document management server 101. FIG. 6 is a diagram illustrating an example of a screen of document data displayed on a display 210 of the client terminal 102. FIG. 3 is a diagram illustrating an example of a data table for managing information of document data acquired by a client terminal 102 from a document management server 101. FIG.

DESCRIPTION OF EXEMPLARY EMBODIMENTS Hereinafter, preferred embodiments to which the invention is applied will be described in detail with reference to the accompanying drawings.
First, FIG. 1 will be described.

<Description of FIG. 1>

  FIG. 1 is a system configuration diagram showing an example of a configuration of a document management system (information processing system) in an embodiment of the present invention.

In the figure, reference numeral 101 denotes a document management server (also referred to as a server device), which manages document data created by one or more users (document data management means in the present invention). In addition, when document data managed by the document management server 101 is updated, update information (update date / time, update summary, etc.) is also managed.
The case where the document data here is updated means that an instruction to overwrite the document data managed by the document management server 101 is received from the client terminal 102 and the document data on the document management server 101 is overwritten. (Update means in the present invention).
The document data information managed by the document management server 101 is, for example, FIG.

Reference numeral 102 denotes a client terminal (also referred to as an information processing apparatus), and a document browsing application for browsing document data is installed in the client terminal 102.
The client terminal 102 can display the document data acquired from the document management server 101 by starting the document browsing application.

  Reference numeral 103 denotes a network such as a LAN (Local Area Network) for connecting the document management server 101 and the client terminal 102 to each other so that data communication is possible.

Here, the information of the document data managed by the external memory 211 of the document management server 101 will be described with reference to FIG.

<Explanation of FIG. 7>

  FIG. 7 is a data table for managing document data created by one or more users stored in the external memory 211 of the document management server 101.

Reference numeral 701 denotes a file name of the document data. In the document management server, when the document data created by the user is composed of a plurality of pages, each page is managed as a separate file. The first half of the file is the same, and “-(number)” is added to the end of the file name, so that it is determined that each page is the same document data.
Reference numeral 702 denotes a page number indicating the page number of the document data of the file name 701 (document 1 and document 2 in the example of FIG. 7).
Reference numeral 703 denotes an update summary, which stores the contents of the update when the page is updated.

Reference numeral 704 denotes the last update date and time, which stores the date and time when the page was last updated. If the page has never been updated, the date and time when the page was first stored in the external memory 211 of the document management server 101 is stored.

<Description of FIG. 2>

  FIG. 2 is a diagram illustrating an example of a hardware configuration of an information processing apparatus applicable as the document management server 101 and the client terminal 102 in FIG.

  The CPU 201 comprehensively controls devices and controllers described later connected to the system bus 204. Further, the ROM 203 or the external memory 211 is necessary to realize a BIOS (Basic Input / Output System) or an operating system program (hereinafter referred to as an OS), which is a control program of the CPU 201, or a function executed by each server or each PC. Various programs to be described later are stored. The RAM 202 functions as a main memory, work area, and the like for the CPU 201.

  The CPU 201 implements various operations by loading a program necessary for execution of processing into the RAM 202 and executing the program. An input controller (input C) 205 controls input from a pointing device such as a keyboard 209 or a mouse (not shown). A video controller (VC) 206 controls display on a display device such as the display device 210. The display device is, for example, a CRT display or a liquid crystal display. These are used by the administrator as needed. The present invention is not directly related.

  A memory controller (MC) 207 is a hard disk (HD), floppy disk (registered trademark FD) or PCMCIA card slot for storing boot programs, browser software, various applications, font data, user files, editing files, various data, and the like. Controls access to an external memory 211 such as a compact flash memory connected via an adapter.

  A communication I / F controller (communication I / FC) 208 is connected to and communicates with an external device via a network, and executes communication control processing in the network. For example, Internet communication using TCP / IP is possible.

  Note that the CPU 201 enables display on the display device 210 by executing outline font rasterization processing on a display information area in the RAM 203, for example. Further, the CPU 201 enables a user instruction with a mouse cursor (not shown) on the display device 210.

A program used to execute various processes of the present invention is recorded in the external memory 211, and is executed by the CPU 201 by being loaded into the RAM 202 as necessary. Furthermore, definition files and various information tables used by the program according to the present invention are stored in the external memory 211.
Next, functional configurations of the document management server 101 and the client terminal 102 will be described with reference to FIG.

<Description of FIG. 3>

  The document management server 101 includes a document data management unit 301 and an update unit 302 as functional units.

The document data management unit 302 receives document data created by the user from the client terminal 102 and manages it.
The update unit 302 updates the document data to the updated document data when the document data updated by the document data management unit 302 (hereinafter referred to as update document data) is received from the client terminal 102. The updated document data is managed by the document data management unit 302.

  The client terminal 102 includes a display information management unit 303, a determination unit 304, an acquisition unit 305, an instruction reception unit 306, and a display unit 307 as functional units.

The display information management unit 303 receives document data managed by the document data management unit 302 of the document management server 101 from the document management server 101 and stores the document data in the client terminal 102. Information (display information) indicating whether or not the information is displayed in 307 is managed.
When the determination unit 304 receives document data managed by the document data management unit 302 of the document management server 101 from the document management server 101 and stores it in the client terminal 102, the determination unit 304 stores the document data in the display unit 307 described later. It is determined according to the display information managed by the display information management unit 303 whether it has been displayed.

The acquisition unit 305 acquires updated document data managed by the document data management unit 302.
The instruction receiving unit 306 receives an instruction as to whether or not to acquire updated document data managed by the document data management unit 302 according to the operation of the input device 209 by the user.

  The display unit 307 displays the document data when the document data managed by the document data management unit 302 of the document management server 101 is received from the document management server 101 and stored in the client terminal 102.

  The functional units provided in the document management server 101 and the client terminal 102 may be other than this. The functional unit is not limited to the above-described functional unit.

Next, detailed processing of the present embodiment will be described with reference to FIGS. The processing of each step in FIGS. 4 to 6 is realized by the CPU of each device loading a program stored in the external memory 211 into the RAM 203 and executing it.

<Description of FIG. 4>

  FIG. 4 is an example of a flowchart showing a process for saving and displaying the document data saved in the document management server 101 in the client terminal 102 in accordance with the user operation.

  Before executing each process of FIG. 4, the client terminal 102 reads a document browsing application installed in the client terminal 102 from the external memory 211 according to a user operation, loads it into the RAM 203, and starts the document application.

  In step S <b> 401, the client terminal 102 acquires document data that the user desires to browse from the document management server 101 and displays the document data on the display 210 of the client terminal 102. The document data information acquired by the client terminal 102 from the document management server 101 in step S401 is, for example, FIG. 8 described later, and the screen displayed on the display 210 of the client terminal 102 in step S401 is, for example, FIG. It is. When the document data is composed of a plurality of pages, each page is a separate file, but when displayed on the display, all the pages of the same document are displayed together.

  In step S402, the client terminal holds that the page displayed on the display 210 of the client terminal 102 in step S401 has been viewed (displayed). The reference flag 805 of the data table 8 is updated to “True”. In the example of FIG. 8, the reference flag 805 of the file name “Document 1-1” is updated to “True”.

  In step S403, the client terminal 102 determines whether or not a page included in the document data displayed on the display 210 of the client terminal 102 has been moved in step S401. If there is no page movement, the process proceeds to step S404. If there is a page movement, the process proceeds to step S405. In addition, as a method for determining whether or not there is a page movement, a method for determining that the page has moved by pressing the page switching button of the document viewing application according to a user operation, A method for determining that a page has moved when one or more of them are displayed on the display 210 of the client terminal 102, or a page when any of the pages before or after the page is displayed on the display 210 of the client terminal 102. There is a method for determining that has moved.

  In step S <b> 404, the client terminal determines whether an instruction to close the document browsing application (end instruction) has been given in accordance with the operation of the input device 209 by the user. If the end instruction is given, the process of FIG. 4 is ended. If the end instruction is not given, the process returns to step S403.

  In step S <b> 405, the client terminal 102 performs a direction determination process in which a page movement instruction is accepted. If the instruction is to move to the next page of the page of the document data displayed on the display of the client terminal 102 when the page movement instruction is received, the display of the client terminal 102 is displayed when the page movement instruction is received. The page number added to the page number 802 of FIG. 8 of the page of the document data being displayed is specified as the page number of the destination page (step S406).

  When it is determined in step S405 that the instruction is to move to the next page of the document data page displayed on the display of the client terminal 102 when the direction page movement instruction has been received. The page number of the document data page displayed on the display of the client terminal 102 when the page movement instruction is received is specified as the page number of the destination page by subtracting the page number from the page number 802 in FIG. (Step S407).

  In step S <b> 408, the client terminal 102 performs processing to check whether data on the server of the page specified as the movement destination page in step S <b> 406 or step S <b> 407 has been updated. A detailed description of this process will be omitted because it will be described later with reference to FIG.

  In step S409, the client terminal 102 determines whether a page included in the document data displayed on the display 210 of the client terminal 102 has been moved. If there is a page movement, the processing from step S405 is performed again. If there is no page movement, the process proceeds to step S410.

In step S410, the client terminal determines whether or not an instruction to close the document browsing application (end instruction) is given in accordance with the operation of the input device 209 by the user. If the end instruction is given, the process of FIG. 4 is ended. If the end instruction is not given, the process proceeds to step S411.
In step S411, the client terminal 102 determines whether the update button has been pressed in accordance with the operation of the input device 209 by the user.

If an update button (1301 in FIG. 13 to be described later) is pressed according to the operation of the input device 209 by the user, in step S412, the page for which the update button is pressed is updated. If the update button is not pressed according to the operation of the input device 209 by the user, the process waits until a new instruction is received from the user (step S413). In step S <b> 412, the process of accepting pressing of the update button is performed when the determination unit in the present invention determines that the document data has already been displayed on the display screen of the information processing apparatus. It is an example of the instruction | indication reception means which receives the instruction | indication of whether to acquire the updated document data updated.
This is the end of the description of FIG.
Next, details of the update confirmation processing in step S408 in FIG. 4 will be described with reference to FIG.

<Description of FIG. 5>

  FIG. 5 is an example of a flowchart illustrating an update confirmation process of a destination page (hereinafter referred to as a destination page) moved from a page included in the document data displayed on the display 210 of the client terminal 102 in step S408 of FIG. It is.

  In step S501, the client terminal 102 makes an acquisition request for the last update date and time in the document management server 102 of the page specified as the movement destination page in step S406 or step S407 in FIG. 4 to the document management server.

  In step S <b> 502, the document management server 101 searches for the last update date and time of the page for which the acquisition request for the last update date and time has been received from the client terminal 102 in step S <b> 501, and sends information on the last update date and time specified by the search to the client terminal 102. Send. More specifically, the last update date and time 704 is identified by referring to the last update date and time 704 of the page that received the request for acquisition of the last update date and time from the client terminal 102 in the data table of FIG.

  In step S503, the client terminal 102 receives the information of the last update date / time transmitted from the document management server 101 in step S502.

  In step S504, the client terminal 102 determines whether the last update date / time of the destination page stored in the client terminal 102 is the same as the last update date / time in the server of the destination page received in step S503. Determine whether the page has been updated. More specifically, the client last update date / time 806 of the destination page (the page number 802) in the data table of FIG. 8 stored in the external memory 211 of the client terminal 102 and the external memory 211 of the document management server 101 are stored. 7 is compared with the last update date / time 704 of the destination page (the page number 702) in the data table of FIG. 7 to determine whether both dates / times match.

  If the last update date / time of the destination page stored in the client terminal 102 is the same as the last update date / time in the server of the destination page received in step S503, the process returns to step S403 in FIG. If the last update date / time of the page and the last update date / time at the server of the destination page received in step S503 are different, that is, the last update date / time of the document management server 101 is later, the process proceeds to step S505.

  In step S505, the client terminal 102 refers to the reference flag 805 of the destination page (the page number 802) in the data table of FIG. 8 stored in the external memory 211 of the client terminal 102, and sets the destination page to the client terminal 102. It is determined whether it is already displayed on the display 210. If the destination page has been displayed on the display 210 of the client terminal 102 (True), the process proceeds to step S511. If the destination page has not been displayed on the display 210 of the client terminal 102 (False), the process proceeds to step S506.

  In step S <b> 506, the client terminal 102 makes a request for obtaining the updated page of the destination page to the document management server 101.

  In step S507, the document management server 101 manages the data table of FIG. 7 managed by the document management server based on the “file name” and “page number” of the destination page that received the acquisition request from the client terminal 102 in step S506. And the file of the page in which the file 701 and the page number 703 match the destination page is transmitted to the client terminal 102.

  In step S508, the client terminal 102 replaces the file (page) received in step S507 with the file of the destination page stored in the external memory 211 of the client terminal 102. In step S508 according to the present invention, when the determination unit determines that the document data has not been displayed on the display screen of the information processing apparatus, acquisition of updated document data that updates the document data from the server apparatus It is an example of a means.

  At that time, the client terminal 102 updates the acquisition date / time 804, the client update date / time 806, and the server update date / time 807 of the movement destination page in the data table of FIG. 8 stored in the external memory 211 of the client terminal 102 (step). S509). Note that the table after the information on the destination page in the data table of FIG. 8 is updated in step S509 is, for example, FIG.

Then, in order to notify the user that the automatic download of the file of the destination page has been completed, the client terminal 102 displays an update completion notification shown in 1101 of FIG. S510), the process proceeds to step S403.
In step S <b> 511, the client terminal 102 transmits an update summary acquisition request for the destination page to the document management server 101.

  In step S512, the document management server 101 identifies the update summary of the destination page as the update summary 703 of the page in which the file name 701 and the page number 702 match the destination page in the data table of FIG. 102.

  In step S513, the client terminal 102 receives the update summary of the destination page from the document management server 101 and manages the update summary 803 of the destination page in the data table of FIG. 8 managed by the external memory 211 of the client terminal 102; The server last update date and time 807 is updated (step S514). Note that the table after the information on the destination page in the data table of FIG. 8 has been updated in step S513 is, for example, FIG.

  In step S515, in order to prompt the user to arbitrarily update (download) the file on the destination page, the client terminal 102 updates the update summary acquired from the document management server 101 in step S513, the server last update date, and the update. The buttons are displayed on the display 210 of the client terminal 102 as shown in FIG. 13 described later, and the process proceeds to step S409.

In step S515, when the page once browsed is updated, the user decides whether to update according to the updated content by presenting an update summary and allowing the user to select whether to update. Can prevent unnecessary downloads.
This is the end of the description of FIG.

In the process of FIG. 5, every time the page of the document data displayed on the display 210 of the client terminal 102 changes, the document management server 101 is inquired whether there is any page update. You don't have to be conscious of the latest page.
Next, details of the update process in step S412 in FIG. 4 will be described with reference to FIG.

<Description of FIG. 6>

  FIG. 6 is an example of a flowchart illustrating the update process of the destination page that has been moved from the page included in the document data displayed on the display 210 of the client terminal 102 in step S412 of FIG.

  In step S601, the client terminal 102 issues a file acquisition request for the page with the updated destination page to the document management server 101, and the document management server 101 receives the “file name” of the destination page that has received the acquisition request. Based on the “page number”, the data table of FIG. 7 managed by the document management server is searched, and the file of the page in which the file 701 and the page number 703 match the destination page is transmitted to the client terminal 102 (step S602). ).

  In step S <b> 603, the client terminal 102 receives the page file updated from the destination page transmitted from the document management server 101 in step S <b> 603, and replaces it with the destination page file stored in the external memory 211 of the client terminal 102.

  At that time, the client terminal 102 updates the acquisition date / time 804, the client update date / time 806, and the server update date / time 807 of the movement destination page in the data table of FIG. 8 stored in the external memory 211 of the client terminal 102 (step). S604). Note that the table after the information on the destination page in the data table of FIG. 8 has been updated in step S604 is, for example, FIG.

In step S604, the client terminal 102 hides the update summary, the server last update date and time, and the update button displayed on the display 210 of the client terminal 102 in step S515 of FIG. 5, as shown in FIG. Return to S403.
This is the end of the description of FIG.

Next, a data table for managing document data information acquired by the client terminal 102 from the document management server 101 in step S401 of FIG. 4 will be described with reference to FIG.

<Description of FIG. 8>

  FIG. 8 is a data table for managing document data information acquired from the document management server 101 by the client terminal 102 in step S401 of FIG.

Reference numeral 801 denotes a file name of the document data. When the acquired document data consists of a plurality of pages, each page is managed as a separate file. For pages of the same document, the first half of the file name is the same, By adding “-(number)” to the end of the file name, it is determined that each page is the same document data (corresponding to 701 in FIG. 7).
Reference numeral 802 denotes a page number indicating the page number of the document data of the file name 801 (corresponding to 702 in FIG. 7).

Reference numeral 803 denotes an update summary, which stores the contents of the update when the page is updated (corresponding to 703 in FIG. 7). The update summary 803 is stored when the page is updated after the document data is stored in the external memory 211 of the client terminal 102. That is, the update summary before saving the document data in the external memory 211 is not saved. Therefore, nothing is stored in the update summary 803 at the time of step S401 in FIG.
In 804, the date and time when the client terminal 102 obtained the document data (page) from the document management server 101 is stored. When the document data (page) is updated, the update date / time is stored.

  Reference numeral 805 denotes a reference flag. The reference flag 805 stores information indicating whether or not the page is displayed on the display 210 of the client terminal 102. The information “False” is stored until it is displayed on the display 210 of the client terminal 102, and the information “True” is stored if the information is displayed on the display 210 of the client terminal 102 (the document data in the present invention is stored as the information described above). Display information management means for managing display information indicating whether or not the image has been displayed on the display screen of the processing apparatus. As a method for determining whether or not a page has been displayed, a method for determining when a page switching button of the document viewing application is pressed according to a user operation, or more than half of the page is displayed on the display 210 of the client terminal 102. There are a method for determining that the page is displayed when the page is displayed, and a method for determining that the page is displayed when the page is displayed on the display 210 of the client terminal 102 even a little.

  Reference numeral 806 denotes a client last update date / time. When the document data (page) is updated on the document management server 101 at the client last update date / time 806, the updated document data (page) is acquired. In addition, the date when updated on the document management server 101 is stored. As a result, it is possible to manage when the document data (page) on the client terminal 102 is updated when the document management server 101 is updated as a kind of version management.

  Further, even if the document data (page) is updated on the document management server 101, if the updated document data (page) is not stored in the client terminal 102, the client last update date and time 806 and a server described later are used. The last update date and time 807 is a different date and time.

Reference numeral 807 denotes the last update date and time (server last update date and time) of the page in the document management server 101, and stores the date and time when the page was last updated by the document management server 101. If the page has never been updated, the date and time when the page was first stored in the external memory 211 of the document management server 101 is stored. (Corresponding to 704 in FIG. 7)
Next, the screen of document data displayed on the client terminal 102 in step S401 in FIG. 4 will be described with reference to FIG.

<Description of FIG. 9>

  FIG. 9 is an example of a screen of document data (each page of the file name “document 1”) displayed on the display 210 of the client terminal 102 in step S401 of FIG.

In 901, page numbers and acquisition dates and times of pages (page numbers 1 to 4) included in the document 1 are displayed in a list. Further, for the page currently displayed on the display 210 of the client terminal 102, the outer frame is displayed thicker than the other pages. This makes it easier for the user to identify which page is currently displayed.
In 902, the contents of the document described on each page are displayed in page order.

Next, the case where the document data information (FIG. 8) acquired by the client terminal 102 from the document management server 101 in step S401 in FIG. 4 is updated in step S509 in FIG. 5 will be described with reference to FIG. .

<Description of FIG. 10>

  FIG. 10 shows a state in which the data table (FIG. 8) for managing document data information acquired by the client terminal 102 from the document management server 101 in step S401 in FIG. 4 is automatically updated in step S509 in FIG. It is a data table.

  In the case of FIG. 10, the file on the fourth page of document 1 whose file name 801 is “document 1-4” has been updated by the document management server 101 and has not been displayed on the display 210 of the client terminal 102. Therefore, the file on the fourth page of the updated document 1 is automatically transmitted / updated to the client terminal 102.

  Specifically, the file contents, acquisition date and time 1003 (corresponding to 804 in FIG. 8), client last update date and time 1001 (corresponding to 806 in FIG. 8), and server last update date and time 1002 (corresponding to 807 in FIG. 8) Has been updated.

Next, using FIG. 11, the data table (FIG. 8) for managing the document data information acquired by the client terminal 102 from the document management server 101 in step S401 in FIG. 4 is automatically updated in step S509 in FIG. A screen displayed on the display 210 of the client terminal 102 when it is done will be described.

<Description of FIG. 11>

FIG. 11 shows a case where the data table (FIG. 8) for managing the document data information acquired by the client terminal 102 from the document management server 101 in step S401 in FIG. 4 is automatically updated in step S509 in FIG. FIG. 6 is a diagram for explaining information displayed in the document data (each page of the file name “document 1”) displayed on the display 210 of the client terminal 102 in step S401 in FIG. 4 in step S510 in FIG.
Specifically, in the example of FIG. 11, the page number 4 is automatically updated, and information indicating that the page number 4 has been updated is displayed as indicated by 1101.

<Description of FIG. 12>

  Next, with reference to FIG. 12, the document data information (FIG. 8) acquired by the client terminal 102 from the document management server 101 in step S401 in FIG. 4 is updated in step S514 in FIG. 5 and step S604 in FIG. The case will be described.

  FIG. 12A shows a state in which the data table (FIG. 8) for managing the document data information acquired by the client terminal 102 from the document management server 101 in step S401 in FIG. 4 is updated in step S514 in FIG. It is a data table which shows.

In the case of FIG. 12A, the first page file of the document 1 whose file name 801 is “document 1-1” is updated by the document management server 101 and displayed on the display 210 of the client terminal 102. Therefore, the update summary of the file of the first page of the updated document 1 is automatically transmitted / updated to the client terminal 102. That is, at this time, the content of the file on the first page of the document is not updated.
Specifically, the update summary 1201 (corresponding to 803 in FIG. 8) and the server last update date 1202 (corresponding to 807 in FIG. 8) are updated.

  FIG. 12B shows the data table (FIG. 8) for managing the document data information acquired by the client terminal 102 from the document management server 101 in step S401 in FIG. 4, and is updated in step S514 in FIG. It is a data table which shows the state by which the content of the file was further updated by step S604 of FIG. 6 after becoming the state of 12 (A).

  In the case of FIG. 12B, the contents of the file are updated from the state of FIG. 12A, and the client last update date 1203 and the acquisition date 1204 are updated accordingly.

Next, referring to FIG. 13 and FIG. 14, the data table (FIG. 8) for managing the document data information acquired from the document management server 101 by the client terminal 102 in step S401 of FIG. A screen displayed on the display 210 of the client terminal 102 when it is updated in S514 and step S604 of FIG. 6 will be described.

<Explanation of FIGS. 13 and 14>

  FIG. 13 is a diagram when the data table (FIG. 8) for managing the document data information acquired by the client terminal 102 from the document management server 101 in step S401 of FIG. 4 is updated in step S514 of FIG. 5 is a diagram illustrating information displayed in the document data (each page of the file name “document 1”) displayed on the display 210 of the client terminal 102 in step S401 in step S515 of FIG.

  Specifically, in the example of FIG. 13, the file on the document management server 101 with page number 1 is updated, and an update button 1301 and an update summary indicated by 1302 are displayed. The client last update date (update date in the figure) is also displayed.

  When the update button 1301 is pressed according to the operation of the input device 209 by the user, the content of the file with the page number 1 is also updated on the client terminal 102. Along with this, the contents of page number 1 displayed in 1303 which displays the contents of the file are also updated.

FIG. 14 shows a screen displayed on the display 210 of the client terminal 102 after the update button 1301 in FIG. 13 is pressed. The display of the update button 1301 in FIG. 13 disappears and the file content is displayed in 1401. The contents of page number 1 to be processed are also updated.
This is the end of the description of the present invention.

  As described above, according to the present invention, when document data is updated, if the document data is already displayed on the client terminal, the update is automatically performed. If the document data is not displayed on the client terminal, update information is displayed. Thus, the convenience of browsing the document by the user can be improved.

  Also, in the present invention, when a single document includes a plurality of pages, the server manages each as a separate file, and when the document data is updated, the client terminal acquires only the file of the updated page. Therefore, when the document data is updated, the server load can be reduced as compared to updating all pages (including pages not updated) included in the document data.

  The present invention can be implemented as a system, apparatus, method, program, storage medium, or the like, and can be applied to a system including a plurality of devices. You may apply to the apparatus which consists of one apparatus.

  Note that the present invention includes a software program that implements the functions of the above-described embodiments directly or remotely from a system or apparatus. The present invention also includes a case where the system or the computer of the apparatus is achieved by reading and executing the supplied program code.

  Accordingly, since the functions of the present invention are implemented by computer, the program code installed in the computer also implements the present invention. In other words, the present invention includes a computer program itself for realizing the functional processing of the present invention.

  In that case, as long as it has the function of a program, it may be in the form of object code, a program executed by an interpreter, script data supplied to the OS, and the like.

  Examples of the recording medium for supplying the program include a flexible disk, hard disk, optical disk, magneto-optical disk, MO, CD-ROM, CD-R, and CD-RW. In addition, there are magnetic tape, nonvolatile memory card, ROM, DVD (DVD-ROM, DVD-R), and the like.

  As another program supply method, a browser on a client computer is used to connect to an Internet home page. The computer program itself of the present invention or a compressed file including an automatic installation function can be downloaded from the homepage by downloading it to a recording medium such as a hard disk.

  It can also be realized by dividing the program code constituting the program of the present invention into a plurality of files and downloading each file from a different homepage. That is, a WWW server that allows a plurality of users to download a program file for realizing the functional processing of the present invention on a computer is also included in the present invention.

  In addition, the program of the present invention is encrypted, stored in a storage medium such as a CD-ROM, distributed to users, and key information for decryption is downloaded from a homepage via the Internet to users who have cleared predetermined conditions. Let It is also possible to execute the encrypted program by using the downloaded key information and install the program on a computer.

  Further, the functions of the above-described embodiments are realized by the computer executing the read program. In addition, based on the instructions of the program, an OS or the like running on the computer performs part or all of the actual processing, and the functions of the above-described embodiments can also be realized by the processing.

  Further, the program read from the recording medium is written in a memory provided in a function expansion board inserted into the computer or a function expansion unit connected to the computer. Thereafter, the CPU of the function expansion board or function expansion unit performs part or all of the actual processing based on the instructions of the program, and the functions of the above-described embodiments are realized by the processing.

The above-described embodiments are merely examples of implementation in carrying out the present invention, and the technical scope of the present invention should not be construed as being limited thereto. That is, the present invention can be implemented in various forms without departing from the technical idea or the main features thereof.

101 document management server 102 client terminal 103 network

Claims (6)

An information processing system including a server device and an information processing device,
The server device
Document data management means for managing document data;
Update means for updating the document data managed by the management means to updated document data obtained by updating the document data;
The information processing apparatus includes:
Display information management means for managing display information indicating whether the document data has been displayed on the display screen of the information processing apparatus;
Determining means for determining whether or not the document data updated by the updating means has been displayed on the information processing apparatus according to display information of the document data managed by the display information managing means;
An acquisition unit configured to acquire updated document data obtained by updating the document data from the server device when the determination unit determines that the document data has not been displayed on the display screen of the information processing device;
When the determination unit determines that the document data has been displayed on the display screen of the information processing apparatus, the acquisition unit receives an instruction as to whether or not to acquire updated document data obtained by updating the document data. An instruction receiving means, and
The acquisition unit further acquires, from the server device, updated document data in which the document data is updated when the instruction receiving unit receives an instruction to update the document data.   The information processing apparatus further includes display means for displaying, on the display screen of the information processing apparatus, information indicating that the update document data has been acquired when the update document data is acquired by the acquisition means. The information processing system according to claim 1. The document data management means further manages information on a difference between the document data and updated document data obtained by updating the document data;
In the information processing apparatus, when the determination unit determines that the document data is already displayed on the display screen of the information processing apparatus, the updated document data updated by the document data management unit Receiving means for receiving difference information from
The information processing system according to claim 2, wherein the display unit displays the difference information received by the receiving unit on a display screen of the information processing apparatus.   4. The information processing system according to claim 1, wherein when the document data includes a plurality of pages, the management unit manages each page as different document data. 5. A control method of an information processing system including a server device and an information processing device,
A document data management means for managing document data by the document data management means of the server device;
An update step in which the update unit of the server device updates the document data managed in the management step to updated document data in which the document data is updated,
A display information management step of managing display information indicating whether or not the display information management means of the information processing apparatus has already displayed the document data on the display screen of the information processing apparatus;
The determination unit of the information processing apparatus determines whether or not the document data updated in the update process has been displayed on the information processing apparatus according to display information of the document data managed by the display information management process A determination step to
When the determination unit determines that the document data is not already displayed on the display screen of the information processing apparatus, the acquisition unit of the information processing apparatus acquires updated document data from the server apparatus when the document data is updated. An acquisition process to
Update document data obtained by updating the document data by the acquisition unit when the instruction receiving unit of the information processing apparatus determines that the document data has already been displayed on the display screen of the information processing apparatus by the determination step. An instruction receiving step for receiving an instruction as to whether or not to acquire
In the information processing system, the acquisition step further acquires, from the server device, updated document data in which the document data is updated when an instruction to update the document data is received in the instruction reception step. Control method.   The computer program for functioning a computer as each means of the information processing system of any one of Claims 1 thru | or 4.

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