KR100675102B1 - Method for providing visiting card service and system of enabling the method - Google Patents

Abstract

The present invention relates to a method and a system for providing a business card service, and more particularly, to a method and system for expanding a network of a user by allowing a user to promote his or her information freely and efficiently to other users online.

A method of providing a business card service according to the present invention includes: receiving business card information including at least one of career information, schedule information, and network information associated with the first user from a first user; Recording the received business card information in a user database; Exposing the schedule information of the first user to a second user included in the network information of the first user at predetermined intervals according to the schedule information setting of the first user; Checking whether the first user manages a social network based on the social network information of the first user; Calculating intimacy information using the examined network information; And recording the calculated intimacy information in association with the first user in the user database.

According to the present invention, the user's schedule can be promoted to other users or notified periodically so that the user's personal schedule can be efficiently managed.

Business card information, social networking information, calendar information, community, social networking

Description

METHOD FOR PROVIDING VISITING CARD SERVICE AND SYSTEM OF ENABLING THE METHOD}

1 is a flowchart illustrating a business card service providing method according to the present invention.

2 is a flowchart illustrating another business card service providing method according to the present invention.

3 is a diagram illustrating an example of an internal configuration of a user database according to the present invention.

4 is a view showing an example of the internal configuration of the network of contacts in accordance with the present invention.

5A to 5D are diagrams showing an embodiment of providing a business card service according to the present invention.

6 is a view showing another embodiment for providing a business card service according to the present invention.

7 is a block diagram showing the internal configuration of a business card service providing system according to the present invention.

8 is an internal block diagram of a general-purpose computer device that may be employed to perform the business card service providing method according to the present invention.

<Explanation of symbols for the main parts of the drawings>

710: user interface unit

720: network forming unit

730: network management

740: business card control unit

750: user database

760: social networking

The present invention relates to a method and a system for providing a business card service, and more particularly, to a method and system for expanding a network of a user by allowing a user to promote his or her information freely and efficiently to other users online.

Today, with the rapid development of the Internet, users use many services to send and receive mail or exchange information on the Internet. In addition, the activities of cafes and communities that have meetings on the web with users with the same taste or acquaintance have become more active. Users can get the information they need through cafes and communities and meet people who can enjoy their hobbies together.

In addition, the user can promote themselves by using a homepage function that exposes their personal information to an unspecified number of users. These homepages may be set to provide only the users who are related to themselves, rather than providing the user's information to an unspecified number of users according to the user's setting. Thus, the user can protect his or her personal information and can promote it to the person with whom he is related. However, if the scope of disclosure of the user's information is limited only to the user who has a personal relationship with the user, there is a disadvantage in that the network of the user's network is narrowed more than the online.

Meanwhile, conventionally, a second user who wants to know the schedule information of the user needs to visit the user's homepage and grasp the current state of the user. Therefore, the second user has a hassle of visiting the user's homepage to know the user's schedule.

On the other hand, users frequently use a community that can communicate with a large number of users through their areas of interest, region, or school. However, users could find their own community or join the community with the invitation of a community manager who has a relationship with the user. However, even though the web server includes information associated with the user, there is an inconvenience in requesting the information separately from the user when joining the community.

Accordingly, in order to solve the above problems, the present invention allows the personal information of the user to be promoted to a third user who can develop into a friendly relationship in the future in addition to the second user who is acquainted with the user. In addition, the user's schedule may be periodically promoted to a second user who is in close relationship with the user. In addition, by using the user's networking information to induce the formation of the community to allow the user to expand the width of the network.

An object of the present invention is to provide a method and system for expanding the network of a user by allowing a user to promote his or her information to other users online freely and efficiently. It is done.

The present invention aims to efficiently manage a user's personal schedule by promoting or periodically notifying the user's schedule to other users according to the user's setting.

It is an object of the present invention to form a network with a third user through a second user who has a network of contacts with the user.

An object of the present invention is to check the visit history of a second user who is in a network with a user and to automatically manage the business card of the second user, thereby efficiently managing the network.

In order to achieve the above object and to solve the problems of the prior art, the method for providing a business card service according to the present invention comprises a business card including one or more of career information, schedule information, network information associated with the first user from a first user Receiving information; Recording the received business card information in a user database; Exposing the schedule information of the first user to a second user included in the network information of the first user at predetermined intervals according to the schedule information set by the first user; Checking whether the first user manages a social network based on the social network information of the first user; Calculating intimacy information using the examined network information; And recording the calculated intimacy information in association with the first user in the user database.

According to an aspect of the present invention, a system for providing a business card service includes: a user interface unit for receiving business card information including at least one of career information, schedule information, and network information associated with the first user from a first user; A user database for recording the received business card information in association with the first user; A network forming unit exposing the schedule information of the first user to a second user included in the network information of the first user at predetermined intervals according to the schedule information setting of the first user; Network management unit for checking whether or not the network management of the first user based on the network information of the first user; And a business card control unit for calculating intimacy information using the checked network information, and the user database includes the calculated intimacy information.

Hereinafter, a method and system for providing a business card service according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a flowchart illustrating a business card service providing method according to the present invention.

The present invention provides a method of efficiently managing a schedule by automatically promoting the schedule information of the user to a plurality of users who are familiar with the user.

As used in the drawing, a first user means a user who writes his / her schedule information on his / her homepage (personal web page, blog page, etc.), and a second user refers to related information of the first user written by the first user Means the user to view the.

First, in operation S110, the business card service providing system receives business card information including one or more of career information, schedule information, and network information associated with the first user from the first user. The business card service providing system receives the business card information associated with the first user from the first user so as to perform schedule management, social networking, and community management of the user. In addition, the business card service providing system allows the second user to hire the first user by opening the business card information of the first user who wants to find a job by linking the employment function with the business card.

Next, in step S120, the business card service providing system records the received business card information in the user database. The business card service providing system registers business card information of the first user in a predetermined web page to be exposed to a plurality of users.

The user database will be described with reference to FIG. 3.

3 is a diagram illustrating an example of an internal configuration of a user database according to the present invention.

The user database 300 may include fields such as a user identifier 310, a career information 320, a schedule information 330, a network information 340, an intimacy information 350, and the like.

The user identifier 310 is an identifier for identifying a user who has subscribed to a business card service providing system and may be expressed as a user name or a user ID. The business card service providing system may store information associated with a user in association with the user identifier 310. As shown in the figure, the business card service providing system records the user identifier 310 as a user name in the user database.

The career information 320 may indicate the type of occupation including the education information of the first user and may be modified or deleted by the first user. If the first user is an experienced person, career information may be displayed including the previous job or the current job information. As shown in the figure, the user database may include career information 320 " Korean Enterprise Web Design " in association with the user identifier 310 of the first user, and may be displayed on the top of the business card information. In addition, when the first user is a student who is still unemployed, the business card service providing system stores the department and school information as career information so that a second user who wants to be hired can view the career information of the first user and propose an interview. do.

In addition, the schedule information 330 may include the date information, such as a birthday, an interview, a wedding, etc., to be performed by the first user. The schedule information 330 may be periodically exposed to the contacts who are acquainted with the first user according to the setting of the first user to efficiently manage the schedule of the user. As shown in the figure, the user database receives and stores schedule information such as birthdays and meetings included in the latest date information from the first user. Accordingly, the business card service providing system exposes the schedule information of the first user to the contacts of the first user every day, so that the first users are not too busy to pass their birthday or relatives' birthdays. Inform the schedule information of the first user.

In addition, the network information 340 is users who have a close relationship with the first user, and includes user information of a user who registers business card information in a business card service providing system. Network information 340 records the business card information of the second user registered by the first user as a network "first network". In addition, the business card service providing system may register a third user who is acquainted with the second user included in the contact information of the first user as the “recommendation network” of the first user. The recommendation network may be a "primary network" of users registered as "primary network" as users who may be developed into a "primary network" in the future. Accordingly, the business card service providing system provides an opportunity to expand the width of the network by allowing the first user to disclose the schedule information of the first user to the users who are known through the primary network.

In addition, the intimacy information 350 is the network management information of the user calculated by checking whether or not the network management for managing the business cards of the users included in the network information 340 of the first user. The intimacy information 350 may be calculated by checking whether a first user visits a web page that exposes business card information of a second user who has a social relationship or whether a predetermined social networking activity is written to the guestbook. have. The business card service providing system may generate a predetermined relation function that calculates the intimacy information 350 in association with the user's network information 340, and calculates the intimacy information 350 by applying the relation function to whether or not the user's network is managed. have.

For example, the business card service providing system checks the number of times that the first user visits the business card of the second user in a network. The business card service providing system may calculate the familiarity information 350 of the first user as "10" when the first user visits the business card of the second user every day for one week. The business card service providing system may similarly apply to visiting a business card of a third user who has a network relationship with the first user, thereby calculating the intimacy information 350.

Referring back to FIG. 1, in operation S130, the business card service providing system may schedule the first user's schedule information at predetermined intervals to a second user included in the first user's network information according to the schedule information of the first user. Expose The business card service providing system may receive whether or not to disclose schedule information of the first user from the first user and record it in the user database. The business card service providing system may inspect the schedule information of the first user in real time and expose it every time a second user who has a network connection with the first user accesses the business card service providing system for a week before the schedule. In addition, the business card service providing system provides a "network management function" to manage the schedule of the network by starting the schedule information about the network on a predetermined web page that exposes the business card information of the second user.

In step S140, the business card service providing system checks whether or not the first user manages the network based on the contact information of the first user. The business card service providing system may inspect an activity where a first user visits a web page that exposes business card information of social networks included in social networking information 340 or writes in a guestbook.

In addition, the business card service providing system may receive a visit recording period of the second user included in the network information from the first user. The business card service providing system receives a predetermined period of time from the first user for a recent date when the second user visits a web page exposing the business card information of the first user. The business card service providing system checks the date of the most recent visit when the second user visited the business card of the first user. The business card service providing system may notify the first user when the recently visited date of inspection has passed the set visit history period.

For example, the business card service providing system receives, from the first user, the period during which the second user visits the business card of the first user as "3 days". The business card service providing system checks in real time whether the latest date when the second user visited the business card of the first user has passed 3 days from the present time, and when the "3 days" has passed, the first user contacts the second user. Can be induced to.

In addition, the business card service providing system receives a visit period for visiting the business card of the second user included in the network information from the first user. The business card service providing system checks the date of the last visit when the first user visited the business card of the second user. The business card service providing system checks the first user when the recently visited date of inspection has passed the set visit period.

For example, the business card service providing system receives, from the first user, a visit period during which the first user visits the business card of the second user as "7 days". The business card service providing system may induce the first user to visit the business card of the second user when "7 days" has elapsed by checking the last visit date when the first user visited the business card of the second user in real time. .

In addition, the business card service providing system receives a contact period for contacting the second user included in the network information from the first user at predetermined intervals. The contact period is a period for allowing the first user to periodically contact the second user included in the network information. The contact period may be set to a period desired by the first user as days, weeks, and months, and a plurality of users included in social networking information may be set differently. Accordingly, the business card service providing system may check the contact period of the second user included in the network information of the first user, and cause the first user to contact the second user through the business card or email of the second user. Notify the message. That is, the first user may check the alarm message notified from the business card service providing system so as to periodically contact his or her contacts.

In step S150, the business card service providing system calculates intimacy information using the checked network information. The business card service providing system checks the number of times the first user visits a web page exposing the business card information of the second user included in the network information and writes in the guestbook. The business card service providing system may calculate the intimacy information as "5" each time the first user writes a message in the guestbook of the second and third users who are connected to the network. The business card service providing system records and manages the calculated intimacy information in the user database. In addition, the business card service providing system updates the network information when the first user actively expands the network relationship. Therefore, the business card service providing system may recalculate and record the intimacy information in the user database whenever the first network included in the network information increases by "10 people".

2 is a flowchart illustrating another business card service providing method according to the present invention.

The business card service providing system receives and manages other information of the first user, such as an area of interest, region, school, and work of the first user, by category, in addition to the business card information from the first user. Accordingly, the business card service providing system provides an opportunity to expand the networking of the first user by using the category information.

First, in operation S210, the business card service providing system receives category information including at least one of an area of interest, a region, and a school from a first user. The business card service providing system may facilitate the networking of the first user based on the received category information. To this end, the business card service providing system may be connected to form a network with a second user having similar category information among category information associated with the first user.

In operation S220, the business card service providing system registers the received category information in the business card information of the first user. The business card service providing system may register the category information of the first user to the business card information to promote more information about the first user to a plurality of users. For example, the business card service providing system may allow a plurality of users to visit the business card of the first user, view category information of the first user, and register the first user as a social network. Accordingly, a business card service providing system enables a large number of users online to establish friendships with unknown users through a single common interest or linked media.

In step S230, the business card service providing system records the registered category information in the social network in association with the first user. A detailed description of the network is described with reference to FIG. 4.

4 is a view showing an example of the internal configuration of the network of contacts in accordance with the present invention.

The social network 400 includes an area of interest 410, area information 420, and school information 430 in association with the user identifier 310.

The area of interest 410 is predetermined information related to a user's hobbies or specialties. When the first user sets the area of interest 410 as "shopping or movie", the business card service providing system sets the second and third users who set their area of interest 410 as "shopping, movie" as the first user. Can introduce to. In addition, the business card service providing system may activate the community by promoting the community formed by the interest field 410 "shopping, movie" to the first user.

In addition, the business card service providing system may provide the first field of interest as a search keyword so that the first user may search for the user with the field of interest as the search keyword. For example, the business card service providing system receives the input of "shopping" from the first user, searches for users whose interest is the "shopping" and provides it to the first user. Accordingly, the business card service providing system provides a service that allows the first user to make a social network with more users.

The local information 420 may be a place where the user lives or frequently visits with respect to the school information 430. The business card service providing system transmits business cards to each other to the plurality of users set as the regional information 420, "Gangnam-gu, Seoul" to form a network.

The school information 430 may be used when looking for a job or finding a job in association with a user's history. The business card service providing system allows the first user to set the school information 430 as "Sungshin Women's University," so that a second user who wants to see a job can check the school information 430 of the first user and request an interview. do.

Referring back to FIG. 2, in operation S240, the business card service providing system searches for contact information associated with the first user based on the registered category information. The business card service providing system may search for a user who has selected category information set by the first user as his or her category information from the network of the first user.

In addition, the category information includes talent information of the first user. The talent information means that the first user is interested or good at, for example, "a person who swims well" or "a person who plays billiards". Accordingly, the business card service providing system receives predetermined talent information from the first user and searches for a user associated with the entered talent information. The business card service providing system exposes the retrieved business card information of the user to the first user. That is, the business card service providing system may provide personal data such as hobbies and special skills of the first user as search keywords in addition to the search data generally used, so that the first user may make connections with more users.

In operation S250, the business card service providing system exposes the business card information of the first user to the third user by referring to the network information of the second user included in the retrieved network information. The third user may develop into a "primary contact" in the future as a contact that the first user knows through his / her second user. Therefore, the business card service providing system registers the third user who exposed the business card information of the first user as the recommended contact of the first user. The business card service providing system requests a network approval from a third user registered as a recommended network, and when the third user approves the network request, transmits business card information of the third user to the first user. Thus, the first user can reset the third user to his "primary contact".

5A to 5D are diagrams showing an embodiment of providing a business card service according to the present invention.

As illustrated in FIG. 5A, the business card service providing system receives the business card information or the category information of the first user from the first user in order to generate a business card of the first user (510). The business card service providing system discloses the input business card information and category information of the first user so as to form a new network based on the disclosed information.

As illustrated in FIG. 5B, the business card service providing system may receive and expose career information from a first user. The business card service providing system enables the first user to transmit his / her career to the contacts in association with the current job (520). The business card service providing system may expose information related to a job selection or a job of the first user to users associated with the job of the first user (530).

As illustrated in FIG. 5C, the business card service providing system may include the third user in the social networking information by registering or sharing the predetermined content with the first user. The user's own experience managing the business card or information related to employment may be disclosed to a plurality of users (540). The business card service providing system manages the contents registered by the users so that the second user who wants to find the contents can easily find the information. In addition, it is possible to form a space for a conversation with his work colleagues (550).

As illustrated in FIG. 5D, the business card service providing system manages business cards of a plurality of users included in the user's social networking information (560). The business card service providing system may classify and expose business cards of users using keywords such as name, occupation, and intimacy (570). In addition, the business card service providing system may manage a business card imported by the first user and business cards of users who took the business card of the first user separately to induce a wide network (580, 590).

6 is a view showing another embodiment for providing a business card service according to the present invention.

FIG. 6 is a view showing a web page form by processing business card information described in detail with reference to FIGS. 5A through 5D. In addition, the business card service providing system may publicize a picture of the user, and may display the career information together to replace the resume. In addition, the business card service providing system publicizes the user's self-introduction and network information to enable the network to promote each other.

7 is a block diagram showing the internal configuration of a business card service providing system according to the present invention.

The business card service providing system 700 includes a user interface 710, a network forming unit 720, a network manager 730, a business card controller 740, a user database 750, and a network 760. Can be.

The user interface 710 receives business card information or category information from the first user. The user interface 710 receives a visit period for a visit of the second user included in the network information or a visit period for visiting the business card of the second user from the first user.

The user database 750 records the received business card information in association with the first user. In addition, the network 750 records the received category information in association with the first user. The detailed description of the database has been described with reference to FIGS. 3 and 4 and will not be described.

The network forming unit 720 exposes the schedule information of the first user at predetermined intervals to the second user included in the network information of the first user according to the schedule information setting of the first user. In addition, the network forming unit 720 may expose the business card information of the first user to the third user by referring to the network information of the second user included in the network information of the first user.

The network manager 730 checks whether the first user manages the network based on the network information or the category information of the first user. In addition, the network manager 730 registers the third user who exposed the business card information of the first user as a recommended network of the first user, and requests the third user to approve the network so that the third user approves the network request. The business card information of the third user is transmitted to the first user. In addition, the network manager 730 checks the latest date when the second user visited the business card of the first user, and checks the recent visit date when the first user visited the business card of the second user, and transmits it to the business card controller 740. . In addition, the network manager 730 enables the first user to include the third user in the network information through registration or sharing of predetermined content.

The business card controller 740 records the category information received by the user interface 710 in the business card information of the first user. The business card controller 740 may calculate the intimacy information by using the network information inspected by the network manager 730. In addition, the business card controller 740 may recalculate the familiarity information at predetermined intervals according to the network information. The business card controller 740 reminds the first user when the recent visit date checked by the network manager 730 passes the set visit history period so that the first user can efficiently manage the contacts.

The method for providing a business card service according to the present invention may be implemented in the form of program instructions that can be executed by various computer means and recorded in a computer readable medium. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The program instructions recorded on the media may be those specially designed and constructed for the present invention, or they may be of the kind well-known and available to those having skill in the computer software arts. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. The medium may be a transmission medium such as an optical or metal wire, a waveguide, or the like including a carrier wave for transmitting a signal specifying a program command, a data structure, or the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like. The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

8 is an internal block diagram of a general-purpose computer device that may be employed to perform the business card service providing method according to the present invention.

Computer device 800 includes one or more processors 810 coupled with a main memory device including random access memory (RAM) 820 and read only memory (ROM) 830. The processor 810 is also called a central processing unit (CPU). As is well known in the art, the ROM 830 serves to transfer data and instructions to the CPU unidirectionally, and the RAM 820 typically transfers data and instructions bidirectionally. Used to. RAM 820 and ROM 830 may include any suitable form of computer readable media. Mass storage 840 is bidirectionally coupled to processor 810 to provide additional data storage capability, and may be any of the computer readable recording media described above. The mass storage device 840 is used to store programs, data, and the like, and is a secondary memory device such as a hard disk which is generally slower than the main memory device. Certain mass storage devices such as CD ROM 860 may be used. The processor 810 may include one or more input / output interfaces, such as video monitors, trackballs, mice, keyboards, microphones, touchscreen displays, card readers, magnetic or paper tape readers, voice or handwriting readers, joysticks, or other known computer input / output devices. 850 is connected. Finally, the processor 810 may be connected to a wired or wireless communication network through the network interface 870. Through this network connection, the procedure of the method described above can be performed. The apparatus and tools described above are well known to those skilled in the computer hardware and software arts.

The hardware device described above may be configured to operate as one or more software modules to perform the operations of the present invention.

While specific embodiments of the present invention have been described so far, various modifications are possible without departing from the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined not only by the scope of the following claims, but also by those equivalent to the scope of the claims.

According to the present invention, the user's schedule can be promoted to other users or notified periodically to efficiently manage the user's personal schedule.

In addition, according to the present invention, it is possible to promote the user's network by allowing the user to promote his or her information freely and efficiently to other users online.

In addition, according to the present invention, it is possible to form a network with a third user through a second user who has a network with the user has the effect of expanding the network to infinity.

In addition, according to the present invention, it is possible to automatically manage the business card of the second user by checking the visit history of the second user who has a network relationship with the user can efficiently manage the network.

As described above, the present invention has been described by way of limited embodiments and drawings, but the present invention is not limited to the above-described embodiments, which can be variously modified and modified by those skilled in the art to which the present invention pertains. Modifications are possible. Accordingly, the spirit of the present invention should be understood only by the claims set forth below, and all equivalent or equivalent modifications thereof will belong to the scope of the present invention.

Claims (17)

In the method of providing a business card service, Receiving business card information including at least one of career information, schedule information, and network information associated with the first user from a first user; Recording the received business card information in a user database; Exposing the schedule information of the first user to a second user included in the network information of the first user at predetermined intervals according to the schedule information setting of the first user; Setting a visit period for visiting the business card of the second user from the first user; Checking a recent visit date when the first user visited the business card of the second user; Confirming to the first user when the examined last visit date has passed the set visit period; And Calculating intimacy information based on the number of visits by which the first user visits the business card of the second user; Business card service providing method comprising a. delete The method of claim 1, Setting a visit history period of a second user included in social networking information from the first user; Checking a recent visit date when the second user visited the business card of the first user; And Confirming to the first user when the inspected visit date has passed the set visit history period; Business card service providing method comprising a further. delete The method of claim 1, Setting a contact period for contacting the second user included in the social networking information every predetermined period from the first user; And Checking the contact period of the second user and notifying an alarm message that causes the first user to contact the second user through a business card or an email of the second user; Business card service providing method comprising a further. The method of claim 1, Receiving category information from the first user, the category information including at least one of a field of interest, a region, and a school; Registering the received category information with business card information of the first user; Recording the registered category information in a social network in association with the first user; Retrieving social networking information associated with the first user based on the registered category information; And Exposing business card information of the first user to a third user by referring to the contact information of a second user included in the searched network information; Business card service providing method comprising a. The method of claim 6, Registering a third user who exposed the business card information of the first user as a recommendation network of the first user; Requesting a network approval from the third user registered as the recommended network; And If the third user approves the network request, transmitting the business card information of the third user to the first user. Business card service providing method characterized in that it further comprises. The method of claim 6, The category information includes talent information of the first user, Receiving predetermined talent information from the first user and searching for a user associated with the inputted talent information; And Exposing the searched business card information of the searched user to the first user; Business card service providing method comprising a further. The method of claim 1, Including the third user in the network information through the registration or sharing of the predetermined content of the first user Business card service providing method comprising a further. 10. A computer-readable recording medium having recorded thereon a program for executing the method of any one of claims 1, 3, and 5-9. In the system for providing a business card service, A user who receives business card information including at least one of career information, schedule information, and network information associated with the first user from a first user, and sets a visit period for visiting a business card of a second user included in the network information. An interface unit; A user database for recording the received business card information in association with the first user; A network forming unit exposing the schedule information of the first user to a second user included in the network information of the first user at predetermined intervals according to the schedule information setting of the first user; Network management unit for inspecting the last visit date when the first user visited the business card of the second user; And A business card controller for confirming to the first user when the recently visited visit date has passed the set visit period Including, And the business card control unit calculates intimacy information based on the number of visits by which the first user visits the business card of the second user. delete The method of claim 11, The user interface unit receives a visit history period of the second user included in the network information from the first user, The network manager checks the date of the most recent visit of the second user visited the business card of the first user, The business card control unit checks the first user when the recently visited visited date has passed the set visit history period. delete The method of claim 11, The user interface unit receives category information including at least one of interests, regions, and schools from a first user, The business card control unit records the received category information in the business card information of the first user, A social networking database for recording the received category information in association with the first user; The network manager retrieves network information associated with a user based on the registered category information. The network forming unit, the business card service providing system, characterized in that to expose the business card information of the first user to a third user with reference to the network information of the second user included in the searched network information. The method of claim 15, The network manager registers a third user who exposes the business card information of the first user as a recommended network of the first user, requests the third user to approve the network, and the third user approves the network request. And transmitting the business card information of the third user to the first user. The method of claim 11, The network manager provides a business card service system, characterized in that the first user includes a third user in the network information through registration or sharing of predetermined content.

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