JP2018169925A - Information processing system, information processing method, and information processing device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To delete the same data from an information processing device in a state in which an individual person is unconscious of the data even when the data is deleted in the other information processing device connected to the same network.SOLUTION: An information processing system comprises a server which stores a plurality of data, and a plurality of information processing devices, each having a communication unit which can transmit and receive data between itself and the server. A storage control unit of an information processing device performs processing (i) and processing (ii). Processing (i) communicates with the server or other information processing device to identify the other information processing device storing the data stored in a storage unit and the same as the data received from the server. Processing (ii) deletes data from the storage unit when the data is deleted by the identified other information processing device.SELECTED DRAWING: Figure 19

Description

  The present invention relates to an information processing system, an information processing method, and an information processing apparatus.

  In recent offices, an in-house network in which a server, a personal computer (PC) used by an individual, an image forming apparatus, and the like are connected to a network such as a LAN (Local Area Network) is constructed (for example, see Patent Document 1 below) reference). Individuals can receive (download) desired data to their personal PCs by accessing the server, thereby realizing smooth sharing of data within the company.

JP 2013-175059 A

  The same data downloaded from the server to the personal PC may be downloaded to other PCs. When the data is deleted in another PC in which the same data is stored, the PC and the PC from which the data has been deleted are mixed with the data stored on the network. However, it may be preferable in terms of data management that data storage states (whether data is stored or deleted) are unified between PCs connected to the same network. In some cases, this state is not preferable.

  The present invention has been made in view of the above circumstances, and when the same data is deleted in another information processing apparatus connected to the same network, the data is processed without being noticed by the individual. It is intended to be able to be deleted from.

  An information processing system according to one aspect of the present invention includes a server storing a plurality of data, and a plurality of information processing apparatuses including a communication unit capable of transmitting and receiving data to and from the server, Each of the plurality of information processing apparatuses is a reception unit that receives an instruction from a user, and a communication control unit that controls data communication operation by the communication unit, and among the plurality of data stored in the server, A communication control unit that causes the communication unit to receive data specified by an instruction received by the reception unit from the server, a storage unit, and a memory that stores data received from the server by the communication unit in the storage unit A control unit, wherein the storage control unit communicates with the server or communicates with another information processing apparatus, and (i) the server stored in the storage unit Performing the process of identifying the other information processing apparatus that stores the same data as the data received from the bar, and (ii) when the data is deleted in the identified other information processing apparatus, An information processing system that performs processing to be deleted from a storage unit.

  An information processing method according to another aspect of the present invention includes a server storing a plurality of data, and a plurality of information processing including a communication unit and a storage unit capable of transmitting and receiving data between the server. An information processing method for controlling an information processing system comprising: a receiving step for receiving an instruction from a user that is performed in each of the plurality of information processing devices; and a data communication operation performed by the communication unit A communication control step for causing the communication unit to receive from the server data specified by the instruction received in the receiving step among a plurality of data stored in the server; and the communication A storage control step in which the storage unit stores data received from the server in the storage unit, and the storage control step Communicates with the server or communicates with another information processing device, and (i) specifies the other information processing device that stores the same data received from the server as stored by the storage unit And (ii) an information processing method for performing a process of deleting the data from the storage unit when the data is deleted in the specified other information processing apparatus.

  An information processing apparatus according to another aspect of the present invention is connected to an external server and other information processing apparatus storing a plurality of data via a network, and the server and the other information processing apparatus. A communication unit capable of transmitting and receiving data, a receiving unit that receives an instruction from a user, and a communication control unit that controls a data communication operation by the communication unit, wherein a plurality of data stored in the server Among the data, a communication control unit that causes the communication unit to receive data specified by the instruction received by the receiving unit from the server, a storage unit, and data that the communication unit has received from the server. (I) the storage unit stores the storage control unit in communication with the server or the other information processing apparatus. A process of identifying the other information processing apparatus storing the same data as the data received from the stored server, and (ii) when the data is deleted in the identified other information processing apparatus, An information processing apparatus that performs a process of deleting data from the storage unit.

  According to the present invention, when the same data is deleted in another information processing apparatus connected to the same network, the data can be deleted from the information processing apparatus without being conscious of the individual.

It is a figure which shows schematic structure of the information processing system concerning Embodiment 1 of this invention. It is a block diagram which shows the internal structure of the information processing apparatus concerning Embodiment 1 of this invention. It is a figure which shows the outline | summary of the processing content in the information processing system concerning Embodiment 1 of this invention. It is a figure which shows an example of the operation screen displayed on the display part of the information processing apparatus concerning Embodiment 1 of this invention. It is a flowchart which shows the flow of operation | movement of the information processing apparatus concerning Embodiment 1 of this invention. It is a figure which shows an example of the information memorize | stored in the memory | storage part of the information processing apparatus concerning Embodiment 1 of this invention. It is a figure which shows an example of the change of the data memorize | stored in the memory | storage part of the information processing apparatus concerning Embodiment 1 of this invention. It is a flowchart which shows the flow of operation | movement by the information processing apparatus concerning Embodiment 2 of this invention. It is a figure which shows an example of the change of the data memorize | stored in the memory | storage part of the information processing apparatus concerning Embodiment 2 of this invention. It is a flowchart which shows the flow of operation | movement by the information processing apparatus concerning Embodiment 3 of this invention. It is a figure which shows an example of the change of the data memorize | stored in the memory | storage part of the information processing apparatus concerning Embodiment 3 of this invention. (A)-(C) are figures which show an example of the data memorize | stored in the memory | storage part of the server concerning Embodiment 4 of this invention. It is a flowchart which shows the flow of operation | movement by the information processing apparatus and server concerning Embodiment 4 of this invention. It is a figure which shows an example of the operation screen displayed on the display part of the information processing apparatus concerning Embodiment 4 of this invention. It is a flowchart which shows the flow of operation | movement by the information processing apparatus concerning Embodiment 5 of this invention. It is a figure which shows an example of the operation screen displayed on the display part of the information processing apparatus concerning Embodiment 5 of this invention. It is a figure which shows an example of the data memorize | stored in the server concerning Embodiment 5 of this invention. (A) And (B) is a figure which shows the outline | summary of operation | movement by the information processing apparatus and server concerning Embodiment 6 of this invention. It is a flowchart which shows the flow of operation | movement by the information processing apparatus and server concerning Embodiment 6 of this invention. It is a figure which shows an example of the information memorize | stored in the memory | storage part of the information processing apparatus of Embodiment 6 of this invention. It is a flowchart which shows the flow of operation | movement by the information processing apparatus and server concerning Embodiment 7 of this invention. It is a figure which shows an example of the association information previously memorize | stored in the memory | storage part of the server concerning Embodiment 7 of this invention. It is a figure which shows an example of the operation screen displayed on the display part of the information processing apparatus concerning Embodiment 7 of this invention. It is a figure which shows an example of the association information previously memorize | stored in the memory | storage part of the server concerning supplement of Embodiment 7 of this invention.

  Hereinafter, an information processing apparatus, an information processing system, and an information processing method according to an embodiment of the present invention will be described with reference to the drawings.

<Embodiment 1>
FIG. 1 is a diagram illustrating a schematic configuration of an information processing system according to the first embodiment of the present invention. The information processing system 1 is connected to a plurality of information processing devices such as a PC 10A, a PC 10B, a PC 10C, a smartphone 10D, and a mobile terminal 10E, and the information processing device via a network N such as a LAN or a WAN (Wide Area Network). Server 20. Although only one server is illustrated in the example shown in FIG. 1, two or more servers may be connected to the network N. The PC 10A, PC 10B, PC 10C, smartphone 10D, and mobile terminal 10E are all examples of an information processing device that includes a storage unit and a control unit, which will be described later. The apparatus 10 will be described.

  FIG. 2 is a block diagram illustrating an internal configuration of the information processing apparatus 10. The information processing apparatus 10 includes a display unit 110, an operation unit 120, a storage unit 130, a communication unit 140, a control unit 100, and the like.

  The display unit 110 includes a liquid crystal display (LCD) and an organic light-emitting diode (OLED) display, and various operation screens and the like under display control by a display control unit described later. Is displayed.

  The operation unit 120 is an input device such as a mouse, a keyboard, and a touch panel provided on the front surface of the display unit 110. Instructions from the user for various operations and processes that can be executed by the information processing apparatus 10 are input using the operation unit 120 such as the mouse, the keyboard, and the touch panel.

  The storage unit 130 is a storage device such as an HDD or a flash memory. The storage unit 130 includes a plurality of storage areas, and various data are stored in each storage area. In the present embodiment, as the plurality of storage areas, the storage unit 130 includes a plurality of directories such as a root directory and subdirectories below the root directory.

  The communication unit 140 is a communication interface including a communication module such as a LAN chip. With the communication unit 140, the information processing apparatus 10 can communicate with the server 20 connected via the network N.

  The control unit 100 includes a processor, a RAM (Random Access Memory), a ROM (Read Only Memory), and a dedicated hardware circuit. The processor is, for example, a central processing unit (CPU), a field programmable gate array (FPGA), or an application specific integrated circuit (ASIC). The control unit 100 is operated by the processor according to a program such as an OS (Operating System) or various control programs stored (installed) in the storage unit 130, thereby controlling the control unit 101, the communication control unit 102, and the receiving unit 103. , Function as a display control unit 104 and a storage control unit 105. However, each of the above-described configurations may be configured by a hardware circuit without depending on the operation of the control unit 100 according to the program.

  The receiving unit 103 has a function of receiving a signal output from the operation unit 120 and receiving an instruction from a user input using the operation unit 120.

  The control unit 101 governs overall control of the information processing apparatus 10. In particular, the control unit 101 has a function of executing various programs such as document creation software and spreadsheet software stored in the storage unit 130 in accordance with instructions received by the reception unit 103.

  The display control unit 104 has a function of controlling the display operation by the display unit 110 and causes the display unit 110 to display an operation screen showing the information processing result by the control unit 101.

  For example, when the receiving unit 103 receives a pressing operation on an icon associated with document data displayed on the display unit 110, the control unit 101 executes a program of text creation software. Then, the display control unit 104 causes the display unit 110 to display an operation screen showing the document data associated with the icon that is the execution result of the text creation software.

  The communication control unit 102 has a function of controlling the data communication operation by the communication unit 140. In particular, the communication control unit 102 causes the communication unit 140 to receive from the server 20 data specified by an instruction received by the receiving unit 103 among a plurality of data stored in the server 20.

  The storage control unit 105 has a function of controlling the data storage operation by the storage unit 130. In particular, the storage control unit 105 stores data received from the server 20 by the communication unit 140 in the storage unit 130 or performs storage control of data generated or changed by the control unit 101.

  Next, the configuration of the server 20 will be described. The server 20 includes a control unit 200, an operation unit 220, a storage unit 230, a communication unit 240, and the like. The operation unit 220 is an input device such as a mouse, a keyboard, and a touch panel provided in front of the display unit. The storage unit 230 is a storage device such as an HDD or a flash memory. The communication unit 240 is a communication interface including a communication module such as a LAN chip. Note that the server 20 may include a display unit including a liquid crystal display, an organic EL display, or the like.

  The control unit 200 includes a processor, a RAM, a ROM, and a dedicated hardware circuit. The control unit 200 functions as the control unit 201, the communication control unit 202, and the storage control unit 203 by the operation of the processor according to the program stored in the storage unit 230. However, each of the above-described configurations may be configured by a hardware circuit without depending on the operation of the control unit 200 according to the program.

  The control unit 201 governs overall operation control of the server 20. The communication control unit 202 has a function of controlling the data communication operation by the communication unit 240. The storage control unit 203 has a function of controlling the storage operation by the storage unit 230.

  The above is the description of the configuration of the information processing system 1. Next, processing contents in the information processing system 1 including the information processing apparatus 10 and the server 20 will be described.

  FIG. 3 is a diagram showing an outline of processing contents in the information processing system 1. As shown in (1) of this figure, the communication control unit 102 of the information processing apparatus 10 causes the communication unit 140 to transmit to the server 20 a download request specifying the data indicated in the instruction received by the receiving unit 103. . Next, as shown in (2) of FIG. 3, the communication control unit 202 of the server 20 sends the data specified in the download request among the data stored in the storage unit 230 to the information processing apparatus 10 in the communication unit 240. Send it. 3, the storage control unit 105 of the information processing apparatus 10 stores the data transmitted from the server 20 received by the communication unit 140 in the storage unit 130. At this time, the storage control unit 105 stores the data in the storage area (directory) indicated by the instruction received by the receiving unit 103 in the storage unit 130.

  FIG. 4 is a diagram illustrating an example of an operation screen displayed on the display unit 110. FIG. 4 shows an operation screen displayed on the display unit 110 when the file browser software stored in the storage unit 130 is executed by the control unit 101. In the example shown in FIG. 4, an operation screen D2 that is a processing result of the file browser software is displayed on the desktop screen D1. The operation screen D2 shows a path “C: \ User \ download” indicating the location of a directory in the storage unit 130 and a plurality of icons associated with various data (files) included in the directory. Yes.

  The download folder shown in FIG. 4 stores data received (downloaded) from the server 20. When the storage of the data downloaded from the server 20 is completed, an icon associated with the downloaded data is displayed on the display unit 110 under the control of the display control unit 104. Further, when the receiving unit 103 receives a data deletion instruction and data is deleted from the storage unit 130 under the control of the storage control unit 105, the data is deleted from the operation screen D2 under the control of the display control unit 104. The icon associated with the deleted data is deleted.

  Details of processing contents in the information processing apparatus 10 will be further described with reference to the flowchart shown in FIG. When accepting unit 103 accepts an instruction to download data stored in server 20 (YES in step S10), communication control unit 102 causes communication unit 140 to transmit a download request to server 20 (step S11). Next, the communication control unit 102 causes the communication unit 140 to receive data transmitted from the server 20 (step S12). The storage control unit 105 stores the data received by the communication unit 140 in the process of step S12 in the storage area indicated by the instruction received by the receiving unit 103 in the storage unit 130 (step S13). .

  After the process of step S13, the storage control unit 105 determines whether the data received by the communication unit 140 in the process of step S12 is data received from the predetermined server 20 (step S14). Here, as shown in FIG. 6, information indicating the predetermined server 20 is stored in the storage unit 130 in advance. In the example shown in FIG. 6, information indicating the predetermined server 20 includes a server name and an IP address that is information for specifying the predetermined server 20 on the network N. The storage control unit 105 refers to the information stored in the storage unit 130 and performs the process of step S14.

  If the data received by communication unit 140 is not data received from server 20 that is determined in advance (NO in step S14), information processing apparatus 10 ends the process. On the other hand, when the data received by communication unit 140 is data received from server 20 determined in advance (YES in step S14), storage control unit 105 performs the following steps S15 to S17.

  In the process of step S15, the storage control unit 105 counts the time from the time when the data downloaded from the server 20 is stored in the storage unit 130. When the counted time becomes equal to or longer than a predetermined time (YES in step S16), the storage control unit 105 performs a process of deleting the data from the storage unit 130 (step S17).

  FIG. 7 is a diagram illustrating an example of a change in data stored in the storage unit 130. The first row of the figure shows the operation screen D2 when “Meeting Material 2.odt” is stored in the storage unit 130. “Meeting material 1.odt” is stored in the storage unit 130 two hours before the time when this “meeting material 2.odt” is stored in the storage unit 130.

  The second row in FIG. 7 shows a state where 2 hours have passed since the state shown in the first row. In this state, four hours, which is a predetermined time, have passed since the time when “conference material 1.odt” was stored in the storage unit 130. Then, since 4 hours, which is a predetermined time, have elapsed since the time when “conference material 1.odt” was stored in the storage unit 130, the storage control unit 105 deletes “conference material 1.odt” from the storage unit 130. I am letting. As a result, the icon associated with “Meeting material 1.odt” is deleted from the operation screen D2.

  The third row in FIG. 7 shows a state in which two hours have passed since the state shown in the second row. In this state, four hours, which is a predetermined time, have passed since the time when “conference material 2.odt” was stored in the storage unit 130. Then, since 4 hours, which is a predetermined time, have elapsed since the time when “meeting material 2.odt” was stored in the storage unit 130, the storage control unit 105 deletes “meeting material 2.odt” from the storage unit 130. I am letting. As a result, the icon associated with “Meeting material 2.odt” is deleted from the operation screen D2.

  Here, the conference material may become unnecessary data for the individual after the conference. If such data that is not permanently important to an individual is stored in a predetermined server 20 and downloaded from each information processing apparatus 10 connected to the network N, a predetermined time will be obtained. After the elapse of time, the data is deleted from the storage unit 130. As a result, when the data downloaded from the server 20 to the personal information processing apparatus 10 becomes less important without being conscious of the individual, the data can be deleted on the information processing apparatus 10 side. Even if the data is deleted from the personal information processing apparatus 10, the data continues to be stored in the server 20, so that the data can be downloaded again from the server 20 as necessary.

<Embodiment 2>
FIG. 8 is a flowchart illustrating the flow of operations performed by the information processing apparatus 10 according to the second embodiment. In addition, about the process of the same content as the flowchart shown in FIG. 5, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  In the information processing apparatus 10 according to the second embodiment, the process of step S18 and step S19 is executed after the data deletion process of step S17.

  In the process of step S <b> 18, the storage control unit 105 generates link information that is the same data as the data deleted from the storage unit 130 and can access the data stored in the server 20. Here, the link information is, for example, the location of the server 20 on the network N such as a hyperlink including a shortcut or a URL (Uniform Resource Locator) indicating the location of the server 20, and the storage location of the data in the server 20. It is information that can be specified. In step S19, the storage control unit 105 stores the link information in the storage area where the deleted data is stored in the storage unit 130.

  FIG. 9 is a diagram illustrating an example of a change in data stored in the storage unit 130. As shown in the second row of this figure, when the data of “Meeting material 1.odt” is deleted from the storage unit 130, “Meeting material 1 in the server 20 is stored in the same storage location as the deleted data. Link information (shortcut) that can access the data of “.odt” is generated. Further, as shown in the third row of this figure, when the data of “Meeting material 2.odt” is deleted from the storage unit 130, the “Conference” in the server 20 is stored in the same storage location as the deleted data. Link information that can access the data of the document 2.odt ”is generated.

  As described above, according to the information processing apparatus 10 according to the second embodiment of the present invention, even if the data downloaded from the server 20 is deleted from the personal information processing apparatus 10, the individual subsequently moves on the server 20. Easy access to original data.

<Embodiment 3>
FIG. 10 is a flowchart illustrating an operation flow of the information processing apparatus 10 according to the third embodiment. In addition, about the process of the same content as the flowchart shown in FIG. 5, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  In the information processing apparatus 10 according to the third embodiment, after the process of counting the time since the data in step S15 is stored in the storage unit 130, the display control unit 104 starts the time from when the data is stored in the storage unit 130. As time elapses, the display form of the icon associated with the data displayed on the display unit 110 is changed (step S20).

  FIG. 11 is a diagram illustrating an example of a change in data stored in the storage unit 130. The first row of the figure shows the operation screen D2 when “Meeting Material 1.odt” is stored in the storage unit 130. The second row in the figure shows a state where 2 hours have passed since the state shown in the first row. In this state, as indicated by a dotted line in the figure, the display control unit 104 increases the brightness of the color constituting the icon associated with “Meeting material 1.odt” from the state shown in the first row of the figure. doing. The second level in the figure shows that 4 hours, which is a predetermined time from the time when “meeting material 1.odt” is stored in the storage unit 130 after 2 hours have passed since the state shown in the second level. In this state, “Meeting Material 1.odt” is deleted from the storage unit 130, and the icon associated with “Meeting Material 1.odt” is also deleted from the operation screen D2.

  As described above, in the above example, as the time elapses from the time when the data is stored in the storage unit 130, the display form of the icon is changed by increasing the brightness of the color constituting the icon. Thereby, it is possible to notify the user of the approximate time until data is deleted. The display control unit 104 may change the icon display form by reducing the icon size as time elapses from the time when the data is stored in the storage unit 130.

  The display control unit 104 returns the icon display form to the display form at the time when the data is stored in the storage unit 130 when the receiving unit 103 receives a predetermined operation (for example, double click) on the icon. Processing may be performed. In this case, the storage control unit 105 resets the time counted in step S15 to zero. Thus, the data is not stored when the predetermined time has elapsed since the time when the data was stored in the storage unit 130 but when the predetermined time has elapsed since the predetermined operation was performed. It will be deleted from the storage unit 130. For this reason, when a user performs said predetermined operation, the time until data is deleted can be extended.

<Embodiment 4>
FIG. 12A to FIG. 12C are diagrams illustrating an example of data stored in the storage unit 230 of the server 20 according to the fourth embodiment. In the fourth embodiment, information for determining the data deletion time is stored in the storage unit 230 of the server 20 in association with the data. In the example shown in FIG. 12A, the name of the data and the deletion time of the data are stored in the storage unit 230 for each data. In the example shown in FIG. 12B, for each data, the name of the data and the order in which the data is presented at the conference are stored in the storage unit 230. In the example shown in FIG. 12C, information indicating the name of the data and the importance of the data is stored in the storage unit 230 for each data. The information is transmitted from the server 20 to the information processing apparatus 10 together with the data, and the data deletion time is determined based on the information transmitted in the information processing apparatus 10.

  FIG. 13 is a flowchart illustrating a flow of operations performed by the information processing apparatus 10 and the server 20 according to the fourth embodiment. In addition, about the process of the same content as the flowchart shown in FIG.

  When the communication unit 240 of the server 20 receives the download request transmitted from the information processing apparatus 10 (step S30), the communication control unit 202 of the server 20 identifies the transmission target data indicated in the download request (step S31). ). Then, if there is information associated with the identified data (YES in step S32), the communication control unit 202 of the server 20 causes the communication unit 240 to transmit information associated with the data together with the data. (Steps S33 and S34). On the other hand, when there is no information associated with the specified data (NO in step S32), the communication control unit 202 of the server 20 transmits only the specified data to the communication unit 240 (step S34).

  When the information is associated with the transmitted data, that is, when the above information is transmitted from the server 20 together with the data, the storage control unit 105 of the information processing apparatus 10 adds the information received by the communication unit 140 to the above information. Based on this, a process for determining the data deletion time is performed (step S35).

  For example, when information indicating the importance level of data as illustrated in FIG. 12C is transmitted from the server 20, the storage control unit 105 of the information processing apparatus 10 becomes longer as the importance level indicated in the information increases. Determine the time to delete data. In addition, when information indicating the data deletion time as illustrated in FIG. 12A is transmitted from the server 20, the storage control unit 105 of the information processing apparatus 10 sets the time indicated in the information as the data deletion time. To decide. When information indicating the order in which the data shown in FIG. 12B is presented at the conference is transmitted from the server 20, the storage control unit 105 of the information processing apparatus 10 has a slower order shown in the information. The longer time is determined as the data deletion time.

  As described above, according to the information processing apparatus 10 and the server 20 according to the fourth embodiment of the present invention, the deletion time can be varied for each data stored in the server 20, and the deletion time suitable for the data can be obtained. Data can be deleted from the storage unit 130.

  Further, the information processing apparatus 10 may display an operation screen D4 as illustrated in FIG. 14 on the display unit 110 under the control of the display control unit 104. The storage control unit 105 generates information for determining the data deletion time based on the operation received by the receiving unit 103 on the operation screen. Then, the communication control unit 102 transmits the generated information to the server 20 and stores it in the storage unit 230 of the server 20. Thereby, it is possible to determine the time for deleting the data stored in the server 20 on the information processing apparatus 10 side.

<Embodiment 5>
FIG. 15 is a flowchart illustrating a flow of operations performed by the information processing apparatus 10 according to the fifth embodiment. In addition, about the process of the same content as the flowchart shown in FIG. 5, the same code | symbol is attached | subjected and description is abbreviate | omitted.

  When the receiving unit 103 receives a data display instruction for the data stored in the storage unit 130 in the process of step S13 after the process of step S13 (YES in step S40), the display control unit 104 displays a display screen indicating the data Is displayed on the display unit 110 (step S41). In the example illustrated in FIG. 16, a display screen D <b> 3 indicating data of “meeting material 1.odt” is displayed on the display unit 110 by an operation for selecting an icon associated with “meeting material 1.odt”.

  When the data displayed in the process of step S41 is data received from the predetermined server 20 (YES in step S42), the storage control unit 105 causes the display unit 110 to display a display screen indicating the data. The time from the point of time is counted (step S43). When the counted time becomes equal to or longer than a predetermined time (YES in step S44), the storage control unit 105 performs a process of deleting the data from the storage unit 130 (step S45).

  As described above, according to the information processing apparatus 10 according to the fifth embodiment of the present invention, the data is downloaded in order to delete the data at a timing when a predetermined time has elapsed since the user viewed the data. A situation in which data is deleted without being viewed once can be avoided.

<Supplement 1>
Since the size of the display unit 110 is limited, it may not be possible to display all the contents of the data at one time. In this case, a display screen showing a part of the contents of the data is displayed as shown in FIG. Will be displayed on the section 110. Instead of simply counting the time from when the display screen showing the data is displayed on the display unit 110 as in the process of step S43 above, the storage control unit 105 does not count the predetermined part of the data. You may count the time from the time of the display screen which shows the content displaying on the display part 110. FIG.

  That is, the storage control unit 105 performs a process of specifying whether or not the data shown on the display screen includes some predetermined data. Specifically, the storage control unit 105 determines whether or not predetermined characters (for example, “summary”, “conclusion”, etc.) are included in the data shown on the display screen, and the When a predetermined character is included, it is specified that the data shown on the display screen includes a predetermined part of data. Further, the storage control unit 105 determines whether or not the image data is included in the data displayed on the display screen. If the image data is included, the data displayed on the display screen is determined in advance. It may be specified that some of the recorded data is included.

  With the above processing, data can be deleted not at the time when the user browses the data but at a timing when a predetermined time has elapsed since the user browsed an important part in the data.

<Supplement 2>
As shown in FIG. 17, the data stored in the server 20 may be composed of a plurality of pages. In the example shown in the figure, the data of “Meeting material 1.odt” is composed of six pages a1 to a6.

  In this case, the storage control unit 105 performs a process of specifying a page including a predetermined character among a plurality of pages constituting the data as a predetermined partial data. For example, when predetermined characters such as “Summary” and “Conclusion” are included in the page a5 in the drawing, the storage control unit 105 previously stores the page a5 from the time when the page is displayed on the display unit 110. Data is deleted from the storage unit 130 at a timing when a predetermined time has elapsed.

  In addition, the storage control unit 105 may identify a page including a character equal to or more than a predetermined number of characters among a plurality of pages constituting the data as a predetermined partial data. A page with a large number of characters is likely to be a page where important content is described, so at the timing when a predetermined time elapses from when the user browsed an important part in the data by the above processing. Data can be deleted.

  In addition, the storage control unit 105 displays when a page including a predetermined character specified as the predetermined part of the data or a page including a predetermined number of characters or more is displayed on the display unit 110. The data is not deleted from the storage unit 130 at a timing when a predetermined time elapses from the storage unit 130, but the data is stored when the state in which the page is displayed on the display unit 110 continues for a predetermined time or longer. You may delete from 130. Thereby, data can be deleted when the user browses an important part in the data for a certain time or more.

  In addition, the storage control unit 105 may delete the data from the storage unit 130 when a predetermined time has elapsed from the time when all pages constituting the data are displayed on the display unit 110. Thereby, it is possible to avoid a situation in which data is deleted from the storage unit 130 in a state where only a part of pages constituting the data is being browsed by the user.

<Supplement 3>
In addition, the storage control unit 105 counts the total time for which the display screen indicating the page specified by the processing described in the correction 1 and the correction 2 is displayed on the display unit 110, and the total of the counted time is calculated in advance. The data may be deleted from the storage unit 130 when the predetermined time has elapsed. The user browses various pages by scrolling (switching) the pages displayed on the display screen. In this regard, by performing the above processing, the data is deleted at the timing when the total browsing time of important pages in the data becomes a predetermined time or more while the user is browsing various pages. be able to.

<Supplement 4>
In addition, the storage control unit 105 has passed a predetermined time from the time when the display screen showing one or a plurality of pages specified by the processing described in the correction 1 and the correction 2 is displayed on the display unit 110. Sometimes, instead of deleting the data itself from the storage unit 130, the specified one or more pages may be deleted from the data composed of a plurality of pages stored in the storage unit 130. That is, the storage control unit 105 performs a process of changing data composed of a plurality of pages stored in the storage unit 130 to data excluding the one or more specified pages from the plurality of pages.

<Embodiment 6>
FIG. 18A and FIG. 18B are diagrams illustrating an outline of operations performed by the information processing apparatus 10 and the server 20 according to the sixth embodiment. As shown in these drawings, the storage control unit 105 communicates with the server 20 or communicates with the other information processing apparatus 10 to store the same data as the data received from the server 20 stored in the storage unit 130. The process which specifies the other information processing apparatus 10 which memorize | stored is performed.

  FIG. 18A shows a case in which another information processing apparatus 10 that stores the same data as the data received from the server 20 that is communicated with the server 20 and stored in the storage unit 130 is specified. Specifically, the information processing apparatus 10 requests the server 20 for information on another information processing apparatus 10 that stores the same data, generates the information on the server 20 side, and transmits the information to the information processing apparatus. 10 is transmitted.

  On the other hand, FIG. 18B shows a process of identifying another information processing apparatus 10 that stores the same data as the data received from the server 20 stored in the storage unit 130 by communicating with the other information processing apparatus 10. Explains what to do. Specifically, the information processing apparatus 10 communicates with each of a plurality of other information processing apparatuses 10 connected to the network N to perform processing for inquiring whether or not the same data is stored.

  The information processing apparatus 10 according to the fifth embodiment performs a process of identifying another information processing apparatus 10 that stores the same data by the method illustrated in FIG. 18A or 18B, and identifies the information processing apparatus 10. When data is deleted in another information processing apparatus 10, a process for deleting the data from the storage unit 130 is performed.

  FIG. 19 is a flowchart showing a detailed operation flow when another information processing apparatus 10 storing the same data is specified by the method shown in FIG. When receiving unit 103 receives an instruction to download data stored in server 20 (YES in step S50), communication control unit 102 causes communication unit 140 to transmit a download request to server 20 (step S51).

  When the communication unit 240 of the server 20 receives the download request transmitted from the information processing apparatus 10 (step S60), the communication control unit 202 of the server 20 specifies the transmission target data indicated in the download request (step S61). ), The specified data is transmitted to the communication unit 240 (step S62).

  Next, the communication control unit 102 of the information processing apparatus 10 causes the communication unit 140 to receive data transmitted from the server 20 (step S52). The storage control unit 105 stores the data received by the communication unit 140 in the process of step S52 in the storage area indicated by the instruction received by the receiving unit 103 in the storage unit 130 (step S53). .

  After the processing in step S53, the communication control unit 102 causes the communication unit 140 to transmit a signal requesting information on another information processing apparatus 10 that stores the same data (step S54). When the server 20 receives a signal indicating the request (step S63), the communication control unit 202 of the server 20 communicates with the plurality of information processing apparatuses 10 connected to the server 20 and stores the same data. The other information processing apparatus 10 is identified (step S64). Then, the communication control unit 202 of the server 20 causes the communication unit 240 to transmit information indicating the specified information processing apparatus (step S65).

  After the process of step S65, information indicating that the data has been deleted in another information processing apparatus 10 storing the same data is transmitted from the other information processing apparatus 10, and the server 20 receives the information ( In step S66, the communication control unit 202 of the server 20 transmits a data deletion report to the communication unit 240 (step S67).

  On the other hand, when the information processing apparatus 10 receives the information transmitted in step S65 and the information transmitted in step S66 (steps S55 and S56), the storage control unit 105 of the information processing apparatus 10 stores the information. Processing for deleting the above data from the unit 130 is performed (step S57).

  As described above, according to the information processing apparatus 10 and the server 20 according to the sixth embodiment of the present invention, when the same data is deleted in another information processing apparatus 10 connected to the network N, the individual is conscious. The data can be deleted from the information processing apparatus 10 without any problem.

<Supplement 1>
When there are a plurality of other information processing apparatuses 10 that store the same data as the data received from the server 20 stored in the storage unit 130, the storage control unit 105 determines in advance among the plurality of other information processing apparatuses 10. When data is deleted in another information processing apparatus 10 that is equal to or greater than the ratio, the data may be deleted from the storage unit 130. For example, when there are five other information processing apparatuses 10 storing the same data, storage control is performed when data is deleted in the information processing apparatuses 10 (for example, three) of 50% or more which is a predetermined ratio. The unit 105 deletes the data from the storage unit 130.

  Further, the importance of the information processing apparatus 10 for each of the plurality of information processing apparatuses 10 capable of transmitting / receiving data to / from the server 20 in the storage unit 130 of the information processing apparatus 10 or the storage unit 230 of the server 20. May be stored in advance. FIG. 20 is a diagram illustrating an example of information stored in the storage unit 130 of the information processing apparatus 10. In the example shown in the figure, the name of the information processing device 10 and a score indicating the importance of the information processing device 10 are stored for each of the plurality of information processing devices 10 connected to the server 20.

  Then, the storage control unit 105 adds the above scores of the other information processing apparatuses 10 from which the data has been deleted, and deletes the data from the storage unit 130 when the added value is equal to or greater than a predetermined value. To perform the process. As a result, when the same data is deleted in the information processing apparatus 10 having the higher importance among the other information processing apparatuses 10 connected to the network N, the data can be deleted from the information processing apparatus 10. .

<Supplement 2>
The storage control unit 105 generates link information that is the same data as the data deleted from the storage unit 130 and can access the data stored in the server 20, and stores the generated link information. The deleted data in the unit 130 may be stored in the storage area in which the deleted data was stored. Thereby, even if the data downloaded from the server 20 is deleted from the personal information processing apparatus 10, the individual can easily access the original data on the server 20 thereafter.

<Embodiment 7>
FIG. 21 is a flowchart illustrating an operation flow of the information processing apparatus 10 and the server 20 according to the seventh embodiment. When receiving unit 103 receives an instruction to download data stored in server 20 (YES in step S70), communication control unit 102 causes communication unit 140 to transmit a download request to server 20 (step S71). The download request includes an instruction to transmit the association information stored in the server 20 together with the data in addition to the information specifying the data to be downloaded.

  FIG. 22 is a diagram illustrating an example of association information stored in advance in the storage unit 230 of the server 20. The association information is information indicating data associated with each other among a plurality of data stored in the server 20. In this figure, for example, the data of “Meeting Material 1.odt” and the data of “Meeting Material 2.odt” in the server 20 are associated with each other.

  When the communication unit 240 of the server 20 receives the download request transmitted from the information processing apparatus 10 (step S80), the communication control unit 202 of the server 20 specifies the transmission target data indicated in the download request (step S81). ). And the communication control part 202 of the server 20 transmits the correlation information memorize | stored in the memory | storage part 230 with the specified data to the communication part 240 (step S82).

  The communication control unit 102 of the information processing apparatus 10 causes the communication unit 140 to receive data and association information transmitted from the server 20 (step S72). Then, the storage control unit 105 stores the data received by the communication unit 140 in the process of step S72 in the storage area indicated by the instruction received by the receiving unit 103 in the storage unit 130 (step S73). .

  When the receiving unit 103 receives an instruction to delete data downloaded from the server 20 after the process of step S73 (YES in step S74), the storage control unit 105 of the information processing apparatus 10 adds the association information received in the process of step S72. Based on this, a process of determining whether or not the data associated with the data to be deleted is stored in the storage unit 130 is performed (step S75). When data associated with the data to be deleted is stored (YES in step S75), storage control unit 105 stores data associated with the data received with the delete instruction together with the data received with the delete instruction. It deletes from the part 130 (step S76, S77). On the other hand, when the data associated with the data to be deleted is not stored (NO in step S75), the storage control unit 105 deletes only the data for which the deletion instruction has been received from the storage unit 130 (step S77).

  As described above, according to the information processing apparatus 10 and the server 20 according to the seventh embodiment of the present invention, when a plurality of data is downloaded from the server 20, an instruction to delete only one of the associated data is input. Only the other related data can be deleted from the storage unit 130. In addition, it is possible to avoid a situation in which only one related data is deleted, but the other data is forgotten to be deleted.

<Supplement 1>
The storage control unit 203 of the server 20 identifies two or more data in which the same character string exists in a predetermined amount or more by analyzing a plurality of stored data, and the specified two or more data May be generated, and the generated association information may be stored in the storage unit 230. Since there is a high possibility that data in which the same character string exists in a predetermined amount or more is data indicating the contents related to each other, it is possible to perform data association on the server 20 side by performing the above processing.

  Further, the information processing apparatus 10 may display an operation screen D6 as illustrated in FIG. 23 on the display unit 110 under the control of the display control unit 104. The storage control unit 105 specifies two or more data associated with each other from the plurality of data stored in the server 20 based on the operation received by the receiving unit 103 on the operation screen D6. Then, the communication control unit 102 causes the communication unit 140 to transmit information indicating two or more associated data identified by the storage control unit 105 to the server 20. The server 20 generates association information based on the above information transmitted from the information processing apparatus 10. Thereby, desired data can be associated in the information processing apparatus 10.

<Supplement 2>
The storage control unit 105 of the information processing apparatus 10 specifies whether or not the data to be deleted is stored in the server 20 before performing the process of deleting the data in steps S76 and S77 of FIG. 21 from the storage unit 130. May be performed. Specifically, it is determined whether data to be deleted is stored in the server 20 by communicating with the server 20 via the communication unit 140 under the control of the communication control unit 102 of the information processing apparatus 10. To do.

  The storage control unit 105 does not perform processing for deleting data from the storage unit 130 when the data to be deleted is deleted from the server 20. On the other hand, when the data to be deleted is stored in the server 20, processing for deleting the data from the storage unit 130 (steps S76 and S77) is performed. With the above processing, it is possible to avoid a situation in which data is deleted in the information processing apparatus 10 in a state where the data is deleted from the server 20 and the data cannot be accessed.

<Supplement 3>
The data received by the communication unit 140 from the server 20 and stored in the storage unit 130 may be data in a directory stored in the server 20. In this case, the communication control unit 102 of the information processing apparatus 10 may perform a process of determining whether or not data in the directory is updated or added in the server 20 at predetermined time intervals. Specifically, the determination process is performed by communicating with the server 20 via the communication unit 140. When the data in the directory stored in the server 20 is updated or added, the communication control unit 102 causes the communication unit 140 to receive the updated or added data from the server 20. Thereafter, the storage control unit 105 causes the storage unit 130 to store the updated or added data received by the communication unit 140 from the server 20.

  Through the above processing, the data updated or added in the server 20 after the data is downloaded can be reflected in the information processing apparatus 10 without being conscious of the individual.

<Supplement 4>
FIG. 24 is a diagram illustrating an example of association information stored in advance in the storage unit 230 of the server 20 in the example shown in Supplement 4. In the example shown in the figure, the data of “meeting material 1.odt” and “meeting material 3.odt” are associated with only the data of “meeting material 2.odt”. On the other hand, the data of “meeting material 2.odt” is associated with the data of both “meeting material 1.odt” and “meeting material 3.odt”.

  When there are a plurality of data associated with one piece of data for which the accepting unit 103 has accepted the deletion instruction in the storage unit 130, the storage control unit 105 stores the plurality of pieces of data associated with the one data with the storage unit 130. Process to delete from. For example, when the receiving unit 103 receives a deletion instruction for the data of “Meeting Material 2.odt”, the storage control unit 105 includes “Meeting Material 1.odt” and “Meeting Material 2.odt” and “Conference Material 2.odt”. The data of the meeting material 3.odt ”is deleted from the storage unit 130. On the other hand, when the accepting unit 103 accepts an instruction to delete “conference material 1.odt” or “conference material 3.odt” data associated with only one data, the storage control unit 105 The data of “meeting material 2.odt” is deleted from the storage unit 130 together with the data of “1.odt” or “meeting material 3.odt”.

  The present invention is not limited to the configuration of the above embodiment, and various modifications can be made.

  The programs described in the above embodiments and modifications may be recorded on a computer-readable non-transitory recording medium, such as a hard disk, CD-ROM, DVD-ROM, or semiconductor memory.

  Moreover, you may combine the structure shown by said embodiment and modification partially.

DESCRIPTION OF SYMBOLS 1 Information processing system 10 Information processing apparatus 20 Server 100 Control unit 101 Control part 102 Communication control part 103 Reception part 104 Display control part 105 Storage control part 110 Display part 120 Operation part 130 Storage part 140 Communication part 200 Control unit 201 Control part 202 Communication control unit 203 Storage control unit 220 Operation unit 230 Storage unit 240 Communication unit

Claims (6)

A server storing multiple data,
A plurality of information processing devices having a communication unit capable of transmitting and receiving data to and from the server,
Each of the plurality of information processing apparatuses is
A reception unit that receives instructions from the user;
A communication control unit that controls a data communication operation by the communication unit, and among the plurality of data stored in the server, data specified by an instruction received by the reception unit is transmitted to the communication unit. A communication control unit to receive from the server;
A storage unit;
A storage control unit that stores data received from the server by the communication unit in the storage unit;
The storage control unit communicates with the server or communicates with another information processing apparatus, and (i) stores the same data as the data received from the server stored in the storage unit. An information processing system that performs a process of identifying an information processing apparatus, and (ii) performs a process of deleting the data from the storage unit when the data is deleted in the identified other information processing apparatus.   When there are a plurality of other information processing devices that store the same data as the data received from the server stored in the storage unit, the storage control unit is predetermined among the plurality of other information processing devices. 2. The information processing system according to claim 1, wherein when the data is deleted in another information processing apparatus that is equal to or greater than the ratio, the data is deleted from the storage unit. The storage unit stores in advance a score indicating the importance of the information processing device for each of the plurality of information processing devices capable of transmitting and receiving data to and from the server,
When there are a plurality of other information processing devices that store the same data as the data received from the server stored in the storage unit, the storage control unit is configured to store the data of the other information processing devices from which the data has been deleted. The information processing system according to claim 1, wherein a process of deleting the data from the storage unit is performed when a value obtained by adding the scores becomes a predetermined value or more.   The storage control unit generates link information capable of accessing the data stored in the server after the data is deleted from the storage unit, and the generated link information is stored in the storage unit. The information processing system according to any one of claims 1 to 3, wherein the data is stored in a storage area in which the data is stored among the plurality of storage areas. An information processing method for controlling an information processing system comprising: a server storing a plurality of data; and a plurality of information processing apparatuses having a communication unit and a storage unit capable of transmitting / receiving data to / from the server There,
An accepting step of accepting an instruction from a user to be performed in each of the plurality of information processing devices;
A communication control step for controlling a communication operation of data by the communication unit, the data specified by the instruction received in the reception step among the plurality of data stored in the server; A communication control step for receiving from the server;
A storage control step of storing the data received from the server by the communication unit in the storage unit,
In the storage control step, in communication with the server or in communication with the other information processing apparatus, (i) the other data that stores the same data as the data received from the server stored in the storage unit An information processing method that performs processing for specifying an information processing device, and (ii) performs processing for deleting the data from the storage unit when the data is deleted in the other specified information processing device. An information processing apparatus,
A communication unit that is connected to an external server and other information processing apparatus storing a plurality of data via a network, and capable of transmitting and receiving data between the server and the other information processing apparatus;
A reception unit that receives instructions from the user;
A communication control unit that controls a data communication operation by the communication unit, and among the plurality of data stored in the server, data specified by an instruction received by the reception unit is transmitted to the communication unit. A communication control unit to receive from the server;
A storage unit;
A storage control unit that stores data received from the server by the communication unit in the storage unit,
The storage control unit communicates with the server, or communicates with the other information processing apparatus, and (i) another storage unit that stores the same data as the data received from the server stored in the storage unit. An information processing apparatus that performs a process of specifying the information processing apparatus, and (ii) performs a process of deleting the data from the storage unit when the data is deleted in the other specified information processing apparatus.