JP3955181B2 - How to share and use information peer-to-peer - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
In the present invention, arbitrary information stored in a distributed manner in each storage device of a plurality of computers connected via a network is shared among users of each computer (Peer-to-Peer), and each electronic device is shared. Use a mail (e-mail, and so on) address so that it can be easily retrieved and used, that is, if you have a computer environment that can use e-mail, use a special server computer for information sharing The present invention relates to a method for sharing and utilizing information on a peer-to-peer basis so that users can directly and easily share and utilize information without any problem.
[0002]
[Prior art]
Conventionally, in order for users of a plurality of computers connected via a network to share and use each other's information, a server for storing and managing these information collectively in a database or file that can be accessed in common A method of constructing and operating a target application system with a computer as a core is widely used. This is the same for a client / server (C / S system) centered on business processing in a company and a browser / Web server (Web system) centered on the Internet. In other words, in the conventional technology, for example, it is generally quite difficult to share, search, and use data and information directly between users' personal computers using mutual storage devices. Without using it, the method of sharing and using information on a peer-to-peer basis has not yet become widespread.
[0003]
[Problems to be solved by the invention]
However, in the prior art, for example, (1) it is necessary to collectively manage information to be shared, (2) a special server computer for information sharing is required, and (3) access. If there is a small amount of shared information, there is a risk that the response will be worse even if the amount of shared information is small. (4) It is necessary to construct a dedicated system, and it is not easy for the user himself. (5) For system construction and maintenance. Appropriate costs are required. (6) Difficult to start using immediately, preparation and education are required. (7) It is difficult to connect computers with different OS and platform manufacturers and versions. (8) There were problems such as the effect of a failure being great.
[0004]
So, for example, between users' computers, (1) if you know the e-mail address, you want to access shared information stored on the other's computer, or (2) want to start sharing information quickly and easily, ▲ 3 ▼ Start with several people and gradually increase the number of people you want to share. ▲ 4 ▼ Make it easy for each user to set and change the sharing partners and conditions. ▲ 5 ▼ For each user The information you want to share is different, so you want a personalized operation menu. ▲ 6 ▼ If the shared information changes, you want it to be automatically reflected in the operation menu of the other party to share. ▲ 7 ▼ Share the individual information with whom Even if there was a request for the member to know at any time, it was not possible to respond easily.
[0005]
In view of the above, the present invention does not require a special server computer for sharing information or separately develop an application (system) according to the purpose. The purpose is to provide a peer-to-peer information sharing and utilization method that allows users to easily select a partner or to select information to be shared and freely search for and use the information. To do.
[0006]
[Means for Solving the Problems]
According to the first aspect of the present invention, arbitrary information stored in each storage device of a plurality of computers connected by a network and corresponding to each user is stored in units of files or records as shared information among the users. Under the environment where it is stored in the information sharing folder set in the storage device of each computer,
From the items of sharing conditions, file name or record name, providing user name or reference destination user name, and e-mail address name defined in advance corresponding to this sharing information and stored in the storage device of each computer Based on the configured information sharing definition table, the internal processing of the computer,
(1) Identify the file or record by the file name or record name, classify it as “provide” or “reference” according to the sharing condition,
(2) For the file name or record name classified as “provided” in the sharing condition, the user name of the shared information providing destination is used. For the file name or record name classified as “reference” in the sharing condition, Associate the reference user names of shared information with each other,
(3) Divided into two groups, “Provide” and “Reference”, and the “Provide” group is changed to “Reference” from the information list consisting of file name or record name and the destination list consisting of user name. Are formed from an information list composed of file names or record names and a reference destination list composed of user names, respectively.
(4) in association with providing target user or referenced users and individual shared information for each the group, automatically generated as a unique operation button corresponding individual buttons each one to one for each of the each user computer , The automatically generated operation buttons are displayed on a display device in two groups of “provide” and “reference” of the sharing condition,
(5) Each user uses the input device to select an individual button of the “provided” group or provided list displayed on the display device, or the relevant information list of the “reference” group Alternatively, when an individual button in the reference destination list is selected, a file name or a record name corresponding to the selected individual button or a user name is searched in the information sharing definition table by an internal process of the computer, and within the group. Narrow down the individual buttons of related parties and redisplay them on the display device, so that each user can instantly check the relationship between the file name or record name related to "offer" or "reference" and the user name in a batch. ,
(6) When the user selects an individual button having an arbitrary file name or record name using the input device using the “reference” group among the operation buttons displayed on the display device, the user's computer The information sharing definition table stored in the storage device is searched, the reference user corresponding to the file name or record name of the selected individual button and its email address are automatically recognized, and this email address Automatically sending an e-mail requesting a search by the file name or record name of the shared information with the referenced user as the destination,
(7) When this electronic mail is automatically received by the computer of the reference user, the information sharing definition table in the storage device of the computer is searched and shared using the file name or record name transmitted. The file or record is automatically recognized from the condition “provided”, and the data of the automatically recognized file or record is automatically read from the information sharing folder in the storage device of the computer,
(8) Using the e-mail address of the automatically received e-mail, automatically replying with an e-mail attached by copying the read file or record data with the requesting user as the destination,
(9) When the requesting user's computer automatically receives this e-mail, attach the same file name or record name to the automatically returned file or record data in the information sharing folder in the storage device of the computer. Until it is automatically saved or displayed on the display device of the computer,
How to the series of processing relating to information sharing among user to a user without Rukoto is aware of the e-mail processing, and share information in peer-to-peer, characterized in that the automatic execution internally in the computer utilization It is.
[0007]
According to this method, an information sharing folder is set in each storage device of computers connected via a network, and shared information that is mutually used by users of each computer is stored in units of files or records. By storing items for information sharing and utilization together in the information sharing definition table, individual buttons corresponding to individual shared information can be automatically generated as unique computer processing operation buttons. By selecting this operation button, the user can easily and individually specify the shared information stored in the storage device of the other user's computer.
[0009]
Further, based on the reference user of the shared information and its e-mail address, a series of such as searching for and returning the file or record of the shared information from the information sharing folder set in the storage device of the reference user's computer The user automatically executes e-mail processing internally, so that the user can search results (others) on the display device of his / her computer without manually exchanging e-mails regarding the search for shared information with the other user. Shared information stored on the user's computer).
[0010]
According to the second aspect of the present invention, an e-mail transmitted to the same e-mail address via an Internet mail server is received using an information sharing mail extraction server, and the received e-mail An e-mail related to information sharing is extracted from the e-mail, and the e-mail related to the information sharing is automatically transmitted to the information sharing agent and other e-mails are distributed to the mailer, and the operation buttons displayed on the display device are displayed by the user. When using the input device, a series of processes related to information sharing between the users using the information sharing agent is performed in parallel with execution of the email processing by the mailer. in to a method of sharing a peer-to-peer information according to claim 1, wherein use to perform That.
[0011]
According to this method, the information sharing mail extraction server automatically extracts the information sharing e-mail from the e-mails sent via the Internet mail server, and distributes the information to the information sharing agent for transmission. The user can easily share and utilize information by any button operation with any user while using the same e-mail address as usual and using ordinary e-mail as usual.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be described below with reference to the drawings.
Since a system for carrying out the present invention is premised on a plurality of computers connected by a network, as an example here, as shown in FIG. 1, three personal computers 10, 20, and 30 are connected to the Internet (mail System) 40, the users of the personal computers 10, 20, and 30 are users A, B, and C, and the email addresses of the users A, B, and C are email addresses A1, B1, and C1, respectively. An example is shown.
[0013]
The personal computer 10 of the user A includes a central processing unit 2a, a storage device 3a, a display device 4a, and an input device 5a, and an information sharing folder 6a and an information sharing definition table 7a are set in the storage device 3a. . Further, in this example, three files a1, a2, and a3 (collectively referred to as shared information a0) are stored in the information sharing folder 6a. Further, on the display device 4a, provided information is displayed with a button a, and reference information is displayed with buttons b and c. Here, providing means that information stored by a user (for example, user A) is provided as shared information to other users (similarly, users B and C), and reference means other users. (Similarly, the user B, C) means that the user (also user A) obtains and refers to the information stored as shared information.
[0014]
The personal computer 20 of the user B has the same configuration as the personal computer 10 of the user A, and is distinguished by attaching b to each number. An information sharing folder 6b and an information sharing definition table 7b are set in the storage device 3b. Further, in this example, three files b1, b2, b3 (collectively referred to as shared information b0) are stored in the information sharing folder 6b. Further, on the display device 4b, provided information is displayed with a button b, and reference information is displayed with buttons a and c.
[0015]
The personal computer 30 of the user C has the same configuration as that of the personal computer 10 of the user A, and is distinguished by attaching c to each number. The setting of the information sharing folder 6c and the information sharing definition table 7c is the same. Further, in this example, three files c1, c2, and c3 (collectively referred to as shared information c0) are stored in the information sharing folder 6c. Further, on the display device 4c, provided information is displayed with a button c, and reference information is displayed with buttons a and b.
[0016]
Here, the users A, B, and C share information to be shared with each other in the information sharing folders 6a, 6b, and 6c set in the storage devices 3a, 3b, and 3c of the personal computers 10, 20, and 30, that is, sharing. Information a0, b0, and c0 are stored in units of files or records (hereinafter, files are described, but the same applies to records). As shown in FIG. 2, these pieces of shared information a0, b0, and c0 are obtained by collecting each item of a sharing condition, a file name, a destination user name or a reference destination user name (e-mail address name), and a sharing period. It is stored in each information sharing definition table 7a, 7b, 7c of the personal computer 10, 20, 30.
[0017]
FIG. 2A shows an information sharing definition table 7a set in the personal computer 10 of the user A, which defines how the user A shares information. Has a sharing condition of “provide”, a file name of “file a1”, a provision destination user name and an e-mail address name, and “user B”, “e-mail address B1”, and “user C”. “E-mail address C1” and the sharing period is “2000.12.01 to 2001.11.30”. When the sharing condition is “provide”, the provision destination user name is stored. When the sharing condition is “reference”, the reference destination user name is stored.
[0018]
The second and third lines of the information sharing definition table 7a of the user A have the same sharing conditions (“provide”) as the first line, but have a single destination user name and one e-mail address name. In the fourth line, the sharing condition is “reference”, the file name is “file b1”, the reference destination user name and the email address name are “user B” and “email address B1”, and the sharing period is “2000.12”. .01-2002.11.30 ”. The fifth to ninth lines have the same sharing condition (“reference”) as the fourth line.
[0019]
2B shows the information sharing definition table 7b set in the personal computer 20 of the user B, and FIG. 2C shows the information sharing definition table 7c set in the personal computer 30 of the user C. Since these information sharing definition tables 7b and 7c are the same as the information sharing definition table 7a set in the user A's personal computer 10, detailed description will be omitted. It defines how to share the stored provision information and the reference information stored by others.
[0020]
In the above, how to define and store each item in the information sharing definition tables 7a, 7b, and 7c of the users A, B, and C has been described. For the information sharing definition tables 7a, 7b, and 7c, The shared information and its item values can be freely set and changed between users so that when the shared information and its conditions change, the operation buttons of each user can be automatically updated. This is realized by automatically generating operation buttons from the information sharing definition tables 7a, 7b, and 7c described below.
[0021]
With reference to FIG. 3, a method for automatically generating unique operation buttons for the personal computers 10, 20, and 30 of the users A, B, and C based on the information sharing definition tables 7a, 7b, and 7c shown in FIG. explain. This operation button is composed of individual buttons that correspond one-to-one with the individual files of the shared information a0, b0, c0 stored in the personal computers 10, 20, 30 in FIG.
[0022]
FIG. 3A shows a state where operation buttons automatically generated by the personal computer 10 of the user A are displayed on the display device 4a. This operation button is composed of two groups of providing (OUT) and reference (IN). In providing (OUT), 1 is added to the files a1, a2, and a3 based on the first to third lines (each item value) of the sharing condition “provided” in the information sharing definition table 7a shown in FIG. An information list button a composed of individual buttons corresponding to one-to-one and a provision destination list composed of individual buttons corresponding to the users B and C of the provision destination user name are automatically generated, and the user A's personal computer 10 Displayed on the display device 4a. Here, when any individual button of the information list button a or the provision destination list is selected, the individual button of the related partner is narrowed down and displayed again. For example, when the individual button of the user B is selected in the provision destination list, the file a1 is selected for the information list button a based on the first and second lines (item values) of the information sharing definition table 7a shown in FIG. , A2 individual buttons.
[0023]
In the reference (IN), the files b1, b2, b3, c1 are based on the fourth to ninth lines (each item value) of the sharing condition “reference” in the information sharing definition table 7a shown in FIG. , C2 and c3, information list buttons b and c configured by individual buttons corresponding one-to-one, and a reference destination list configured by individual buttons corresponding to users B and C of the reference destination user name are automatically generated. And displayed on the display device 4a of the computer 10 of the user A. Here, as in the case of providing (OUT), when any individual button of the information list buttons b and c or the reference destination list is selected, the individual buttons of the related partner are narrowed down and displayed again. For example, when the individual button of the user C is selected in the reference destination list, the file c1 is used for the information list buttons b and c based on the seventh to ninth lines (item values) of the information sharing definition table 7a shown in FIG. , C2 and c3.
[0024]
FIG. 3B shows a state in which the operation buttons automatically generated by the personal computer 20 of the user B are displayed on the display device 4b based on the information sharing definition table 7b shown in FIG. FIG. 2C shows a state in which operation buttons automatically generated by the personal computer 30 of the user C are displayed on the display device 4c based on the information sharing definition table 7c shown in FIG. These operation buttons are also automatically generated by being composed of two groups of provision (OUT) and reference (IN) in the same manner as in the case of automatically generating the operation button of user A described above. Are displayed on the display devices 4b and 4c of the personal computers 20 and 30 of the users B and C. As a result, the users A, B, and C can easily specify information that they want from peer-to-peer mutual information.
[0025]
Next, the users A, B, and C display the operation buttons automatically generated as described above on the display devices 4a, 4b, and 4c of their personal computers 10, 20, and 30, and the input devices 5a, 5b, For example, the user A can select and input individual buttons corresponding to the desired shared information, and the user A can, for example, share information a0 stored in the storage device 3a of his / her personal computer 10 (hereinafter, this part is The information corresponding to the selected individual button out of the shared information b0 and c0 stored in the storage devices 3b and 3c of the personal computers 20 and 30 of the other users B and C via the Internet 40 is omitted. A method for automatically searching and storing the data in the storage device 3a of the personal computer 10 or displaying it on the display device 4a will be described with reference to FIGS.
[0026]
For example, the user A displays the automatically generated operation buttons shown in FIG. 3A on the display device 4a of his / her personal computer 10, and the individual buttons “file b3” of the reference (IN) information list buttons b and c. ""
(1) Search the information sharing definition table 7a stored in the storage device 3a with the shared information “file b3” corresponding to the selected individual button.
(2) As a result, the sixth line of the information sharing definition table 7a shown in FIG. 2A corresponds to the reference user “user B” and the e-mail address “e-mail address B1”. ,
(3) Using this “e-mail address B1”, an e-mail requesting the search for the shared information “file b3” is sent to the reference user “user B”.
(4) The e-mail is received by the computer 20 of “User B”.
(5) The requested shared information “file b3” is retrieved and retrieved from the information sharing folder 6b in the storage device 3b of the computer 20.
(6) A copy of the extracted “file b3” is attached to the e-mail and returned to the requesting user “user A”.
(7) Further, the electronic mail is received by the computer 10 of the requesting user “user A”.
(8) The copy file “file b3” is stored in the information sharing folder 6a in the storage device 3a of the computer 10 or displayed on the display device 4a of the computer 10.
[0027]
The storage device of the personal computers 10 and 20 does not make the reference user “user B” and the requesting user “user A” aware of the series of e-mail processing related to the search of the shared information in the above items (1) to (8). It is automatically executed internally by the program / information sharing agent 12 (see FIG. 4) resident in 3a and 3b. Thus, the user A simply selects an arbitrary button among the operation buttons displayed on the display device 4a of his / her personal computer 10, and arbitrarily shares the shared information stored in the storage device 3 b of the personal computer 20 of the user B. b0 (“file b3” in the above example) can be automatically searched peer-to-peer.
[0028]
Next, in the personal computers 10, 20, and 30 of the users A, B, and C, information that is automatically executed internally by the program / information sharing agent 12 when an electronic mail is transmitted via the Internet 40. With reference to FIG. 4, description will be given of a method of executing sharing e-mail processing and general manual e-mail processing by hand operation in parallel using the same e-mail address. Here, the personal computer 10 of the user A will be described, but the same applies to the personal computers 20 and 30 of the other users B and C.
[0029]
Each program of the information sharing mail extraction server 11, the information sharing agent 12, and the mailer 13 is made resident in the storage device 3a of the personal computer 10 of the user A, and the e-mail address is set to “e-mail address A1”. When an e-mail is transmitted from an Internet mail server (IP address is “IP address 1”) 14, the information sharing mail extraction server 11 (IP address is “IP address 2”) receives and An electronic mail related to information sharing, such as a search request for shared information, is extracted from the information and sent to the information sharing agent 12. The extraction identifies the header content of each e-mail and targets an e-mail with a dedicated header for information sharing, for example, an e-mail with a header of “X-Mailer: InfoNature”. On the other hand, an e-mail without a dedicated header for information sharing is transmitted to the mailer 13 as usual.
[0030]
The information sharing agent 12 receives an electronic mail related to information sharing transmitted from the information sharing mail extraction server 11, that is, an electronic mail with a dedicated header for information sharing. A series of e-mail processing related to information sharing is automatically executed, such as retrieving shared information stored by the reference destination user from the search for the share definition table 7a and storing the result in the information sharing folder 6a.
[0031]
On the other hand, the mailer 13 receives an electronic mail transmitted from the information sharing mail extraction server 11, that is, an electronic mail without a dedicated header for information sharing, and uses it as a general electronic mail as usual. In the conventional method, the mailer 13 receives an e-mail directly from an Internet mail server (IP address is “IP address 1”) 14. In the present invention, the mailer 13 is addressed to the same e-mail address. Since it is necessary to distribute e-mails into two different processes (e-mail processing by internal automatic execution and general e-mail processing), the setting of the IP address (reception) in the mailer 13 is changed, and information sharing mail extraction is performed Receive via the server 11 (IP address is “IP address 2”).
[0032]
The personal computers 20 and 30 of the users B and C are the same as those of the personal computer 10 of the user A. By the above, automatic email processing related to information sharing and general email processing are coexisting on a peer-to-peer basis. Can do. As a result, the user can easily share and utilize information by any user and button operation at any time while using the same e-mail address and using general e-mail as usual.
[0033]
FIG. 5 shows examples of different usage modes of the present invention. In the example shown in FIG. 5A, the same individual (for example, Suzuki) owns three personal computers 10a, 10b, and 10c at the company, home, and mobile (destination), and each user name (user A, user A, B, C) and e-mail addresses (e-mail addresses A1, B1, C1), and which personal computer 10a, 10b, 10c stores the shared information via the Internet 40, which personal computer 10a, 10b, It can be freely referenced even from 10c. In the example shown in FIG. 5 (b), a plurality of individuals (users D, E, F) share the shared information stored in each storage device among their personal computers 10d, 10e, 10f with the email addresses D1, D1. E1 and F1 can be used to search each other via the Internet 40. In the example shown in FIG. 5C, for example, information on the property and conditions of the sale between the purchase customer (user G), the sale customer (user H), and the broker (users I and J) of the sale property is arbitrary parties. It is shared only between them, and can be directly referred to via the Internet 40 using the e-mail addresses G1 to J1 from the personal computers 10g to 10j.
[0034]
In this way, by exchanging shared information between users using an email address, there is no need for a special server for information sharing as long as the computer can use email, and each user's computer. You can share and use information directly with each other immediately. For example, for a shared information stored in a storage device of another user's computer, by simply selecting an operation button displayed on the display device of his / her computer, a series of electronic mails is sent to the user's email address. The mail processing is automatically executed internally, the corresponding information is automatically searched, and the result can be displayed on the display device of his computer.
[0035]
Further, the electronic mail transmitted from the mail server 14 on the Internet is received by the information sharing mail extraction server 11 resident in each user's personal computer, and each process of general electronic mail and electronic mail related to information sharing is performed. Since it can be automatically distributed and transmitted to the program, the user can use the same e-mail address for multiple purposes while using the general e-mail by the mailer 13 as before, and newly add any user and information. Can be easily shared and used at any time.
[0036]
【The invention's effect】
As described above, according to the present invention, each user of each computer (Peer−) can be compared with each other's information stored in each storage device of a plurality of computers connected via a network. To-Peer), you can define sharing with each other arbitrarily, and display operation buttons corresponding to the shared information on the display device of your computer. By selecting this, you can easily share at any time Information can be extracted and used.
[Brief description of the drawings]
FIG. 1 is a block diagram illustrating an example of a system for implementing the method of sharing and utilizing information peer-to-peer of the present invention.
FIG. 2 is a diagram showing an example of an information sharing definition table (CSV format) set in each user's computer.
FIG. 3 is a diagram illustrating an example in which operation buttons are automatically generated and displayed on a display device of each user's computer.
FIG. 4 is a diagram illustrating an example of an information sharing mail extraction server at the time of sending and receiving an electronic mail.
FIG. 5 is a diagram showing different examples of usage patterns of users by peer-to-peer.
[Explanation of symbols]
10, 20, 30 Personal computers 3a, 3b, 3c Storage devices 4a, 4b, 4c Display devices 5a, 5b, 5c Input devices 6a, 6b, 6c Information sharing folders 7a, 7b, 7c Information sharing definition table 11 Information sharing mail extraction Server 12 Information sharing agent 13 Mailer 14 Mail server 40 Network

Claims (2)

Arbitrary information stored in each storage device of a plurality of computers connected by a network and corresponding to each user is set in the storage device of each computer in units of files or records as shared information among the users In an environment where information is stored in an information sharing folder,
From the items of sharing conditions, file name or record name, providing user name or reference destination user name, and e-mail address name defined in advance corresponding to this sharing information and stored in the storage device of each computer Based on the configured information sharing definition table, the internal processing of the computer,
(1) Identify the file or record by the file name or record name, classify it as “provide” or “reference” according to the sharing condition,
(2) For the file name or record name classified as “provided” in the sharing condition, the user name of the shared information providing destination is used. For the file name or record name classified as “reference” in the sharing condition, Associate the reference user names of shared information with each other,
(3) Divided into two groups, “Provide” and “Reference”, and the “Provide” group is changed to “Reference” from the information list consisting of file name or record name and the destination list consisting of user name. Are formed from an information list composed of file names or record names and a reference destination list composed of user names, respectively.
(4) in association with providing target user or referenced users and individual shared information for each the group, automatically generated as a unique operation button corresponding individual buttons each one to one for each of the each user computer , The automatically generated operation buttons are displayed on a display device in two groups of “provide” and “reference” of the sharing condition,
(5) Each user uses the input device to select an individual button of the “provided” group or provided list displayed on the display device, or the relevant information list of the “reference” group Alternatively, when an individual button in the reference destination list is selected, a file name or a record name corresponding to the selected individual button or a user name is searched in the information sharing definition table by an internal process of the computer, and within the group. Narrow down the individual buttons of related parties and redisplay them on the display device, so that each user can instantly check the relationship between the file name or record name related to "offer" or "reference" and the user name in a batch. ,
(6) When the user selects an individual button having an arbitrary file name or record name using the input device using the “reference” group among the operation buttons displayed on the display device, the user's computer The information sharing definition table stored in the storage device is searched, the reference user corresponding to the file name or record name of the selected individual button and its email address are automatically recognized, and this email address Automatically sending an e-mail requesting a search by the file name or record name of the shared information with the referenced user as the destination,
(7) When this electronic mail is automatically received by the computer of the reference user, the information sharing definition table in the storage device of the computer is searched and shared using the file name or record name transmitted. The file or record is automatically recognized from the condition “provided”, and the data of the automatically recognized file or record is automatically read from the information sharing folder in the storage device of the computer,
(8) Using the e-mail address of the automatically received e-mail, automatically replying with an e-mail attached by copying the read file or record data with the requesting user as the destination,
(9) When the requesting user's computer automatically receives this e-mail, attach the same file name or record name to the automatically returned file or record data in the information sharing folder in the storage device of the computer. Until it is automatically saved or displayed on the display device of the computer,
How to the series of processing relating to information sharing among user to a user without Rukoto is aware of the e-mail processing, and share information in peer-to-peer, characterized in that the automatic execution internally in the computer utilization . Receives e-mails sent to the same e-mail address via the Internet mail server using the information sharing mail extraction server, and extracts e-mails related to information sharing from the received e-mails Then, an email related to the information sharing is automatically sent to the information sharing agent and other emails to the mailer.
When a user selects an operation button displayed on the display device using an input device, a series of processing related to information sharing between the users is performed using the information sharing agent for an email related to the information sharing. 2. The method of sharing and utilizing information peer-to-peer according to claim 1 , wherein the information is executed in parallel with execution of electronic mail processing by the mailer.

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