KR101609710B1 - Online meeting service system using blinding function and method for processing thereof - Google Patents

Abstract

The present invention relates to an online meeting service system using a blinding function and a processing method thereof. The online meeting service system of the present invention utilizes a blinding function for performing lattice and blur processing of photographic information of the other party of the meeting and thereby disclosing the image information in a step-by-step manner. The online meeting service system includes a blind meeting operation server connected to a plurality of clients through a wired / wireless communication network and having a blind meeting operation program for providing an online meeting service. The blind meeting operation server blinds and provides the photograph of the other party in a stepwise manner so that the conversation between the male and female members of the client is performed, and processes the contact information to provide mutual contact information when mutual appeal is desired or the meeting is desired. According to the present invention, an online meeting service can be provided to have continuity through conversation between parties through the blinding function, and the purchase of a product can be induced by using the psychology of the person to be a meeting.

Description

TECHNICAL FIELD [0001] The present invention relates to an online meeting service system using a blinding function and an online meeting service system using the blinding function,

The present invention relates to an online meeting service system, and more particularly, to an online meeting service system and a processing method thereof using a blinding function for performing lattice and blur processing of photo information of a meeting counterpart and gradually disclosing the same.

Currently, the meeting service, which is one of various contents provided through the wired / wireless communication network, is one of services with high utilization rate of communication service users. Such a meeting service searches subscriber information registered in a meeting service using a wired / wireless communication network, and transmits a mail, a chat or a message to a desired party to induce a meeting.

However, the current meeting service can not exceed the service level of the instant meeting because the meeting information is obtained by only knowing the simple information of the other party, and thus there is a disadvantage that the reliability of the users using the meeting service can not be guaranteed. Particularly, in the case of female users, due to such disadvantages, the service utilization ratio is low due to the mistrust of the meeting service, and therefore, the sex ratio between the users of the meeting service becomes unbalanced, and consequently, the meeting service through the communication network can not lead to an offline meeting. The users will miss the meeting service.

Furthermore, in the case of women in their 20s and 30s who use the meeting service, they are more likely to meet people who have a certain identity rather than a light one. In view of this, There is a need to improve the meeting service in the direction of.

However, in the case of the online meeting service system which is currently being provided, the male biological characteristics and other characteristics of male having a relatively more active attitude than women have much more male members than female members, There has been a problem in that uneven distribution of demand and supply, in other words, leaning occurs, in which members are concentrated and the opportunity is not distributed to more male members.

Also, in case of online matching system that finds opponents through various conditions such as educational background, financial power, age, residence, and ownership of car, it is merely scored by simple comparison method As a result, there is a disadvantage in that the satisfaction rate of the member having the actual meeting is lowered and the success rate according to the matching result is lowered because the more specific and systematic matching is not performed.

In addition, the photo-based female profile, which is the core of the meeting service, is merely an object of interest, and meeting the purpose of the meeting is not practically realized.

In particular, there are no functions and services that are appropriate for the current society of appearance superficiality, and both men and women may feel the first feeling of each other in ordinary meeting, meeting, introduction application, and online meeting service only by photographs or appearance of the other person .

Therefore, it is necessary to have a continuous process for conversation and meeting between the users of the meeting service, thereby making it possible to induce purchasing using the psychology, thereby expanding the selection range of the conversation partner, Type online meeting service is required.

1. Korean Patent Publication No. 10-2003-0068721 (published on August 25, 2003) 2. Domestic Patent Registration No. 10-0691812 (Published on March 12, 2007) 3. Korean Patent Publication No. 10-2006-0007797 (published on Jan. 26, 2006) 4. Domestic Patent Publication No. 10-2003-0065421 (published on August 06, 2003)

An object of the present invention is to provide an online meeting service system and a processing method thereof using a blinding function for gradually disclosing photographs of a meeting party.

Another object of the present invention is to provide an online meeting service system and a method for processing the online meeting service system, which provide continuity through conversation between the parties.

Another object of the present invention is to provide an online meeting service system and a processing method thereof for providing an online meeting service for inducing purchase of goods using a psychology of a person to be a meeting.

In order to achieve the above objects, the online meeting service system of the present invention is characterized in that a photograph of the other party is processed by a blinding function and gradually provided. Such an online meeting service system can provide an online meeting service through continuity through conversation between the parties through the blinding function.

According to another aspect of the present invention, there is provided an online meeting service system comprising: a wired / wireless communication network; A plurality of clients connected to a wired / wireless communication network; And a blind function for progressively grasping and providing photographic information about the users of the clients by a lattice or blurring process so that the conversation between the parties is performed in a stepwise manner in correspondence with the photo information provided through the blind function, And a blind meeting operation server.

In one embodiment of this aspect, the blind meeting operating server comprises: The clients are registered as a member, the blind function is processed in a stepwise manner with the photo information of each member, the partner is automatically matched using the member information inputted from the clients so that the meeting between the members of the clients can be performed, The blind function is used to manage the list of meeting details and the meeting results of the members of the client in a phased manner by using the processed photograph information, A blind meeting operation program is provided.

In another embodiment, the blind meeting operating program comprises: The clients are registered as a member, the blind function is processed in a stepwise manner with the photo information of each member, the partner is automatically matched using the member information inputted from the clients so that the meeting between the members of the clients can be performed, A blind meeting processing module for allowing the blind function to communicate stepwise using photograph information processed; A blind meeting management module that manages a list of matching details and meeting results of members of the client processed by the blind meeting processing module and manages various items purchased or mutually provided by members of the client .

In another embodiment, the blind meeting operating program comprises: Processing the blind function in a stepwise manner using the photo information processed in a periodic schedule; Matching is automatically performed on the first day of the periodic schedule by using the member information among the members of the client and the other party is directly selected on the remaining days of the periodical schedule.

According to another aspect of the present invention, there is provided a processing method of an online meeting service system having a blind meeting operating server connected to a plurality of clients via a wired / wireless communication network and providing photographic information between the clients.

A method of processing an online meeting service system according to this aspect is characterized in that users of the clients access the blind meeting operation server through the wired / wireless communication network, register member information including the photo information, Matching the desired party with the desired party; The blind function of processing the photo information in a lattice or blur manner is processed and the period until the online meeting service discloses the contact number of the other party is determined, A step of chatting using the photo information processed by the blind function step by step; If the chat succeeds before the end of the cycle, disclosing an original of the photo information; And exchanging mutual contact information when the original of the photo information is disclosed.

In one embodiment of this aspect, the matching step comprises: Matching is performed using the member information among the members of the client on the first day of the cycle and the other party is directly selected on the remaining days of the cycle.

In another embodiment, the method further comprises: If the success of the chat is successful before the end of the period, deciding whether to allow the other party to open the original of the photo information.

In yet another embodiment, the determining step comprises: Wherein a member of the clients is a male member and purchases the item from the blind meeting operating server and provides the item to a client who is a female member of the clients, , The original of the photograph information is disclosed.

In another embodiment, the method further comprises: And the client, who is a female member, purchases a product using the item.

As described above, the online meeting service system of the present invention has a blinding function for performing lattice and blur processing of photographic information of the other party of the meeting and displaying it in a hierarchical manner, thereby enabling continuity through conversation between the parties through the blinding function The online meeting service can be provided.

In addition, the blind meeting operation server of the present invention provides a blind function to an online meeting service, and it is possible to induce a genuine conversation to see curiosity and a natural next process (appearance), and thus a higher matching success rate can be expected.

Also, the online meeting service system of the present invention can provide an online meeting service that induces purchase of a product using the psychology of a person to be a meeting, by having a blind function that provides photo information of the other party as an original.

1 is a block diagram showing a schematic configuration of an online meeting service system according to the present invention;
FIG. 2 is a block diagram showing a configuration of a blind meeting operation server shown in FIG. 1; FIG.
3 is a flowchart illustrating a processing procedure of an online meeting service system according to the present invention;
FIG. 4 is a flowchart illustrating a processing procedure according to item use of the online meeting service system of the present invention; FIG. And
FIGS. 5A to 5D are views for explaining a blinding function for providing photographs of the other party step by step according to an embodiment of the present invention.

The embodiments of the present invention can be modified into various forms and the scope of the present invention should not be interpreted as being limited by the embodiments described below. The present embodiments are provided to enable those skilled in the art to more fully understand the present invention. Therefore, the shapes and the like of the components in the drawings are exaggerated in order to emphasize a clearer explanation.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 is a block diagram showing a schematic configuration of an online meeting service system according to the present invention, and FIG. 2 is a block diagram illustrating a configuration of a blind meeting operation server shown in FIG.

1 and 2, an on-line meeting service system 2 according to the present invention includes a plurality of clients 200 for receiving an online meeting service through a wired / wireless communication network, And a blind meeting operation server 110 having a blind meeting operation program 110 for providing an online meeting service.

The wired / wireless communication network includes, for example, a mobile communication network, an Internet network, and the like.

The client 200 includes various computer devices such as a personal computer 210, a portable computer 220 and a mobile communication terminal 230 that are connected to a wired / wireless communication network and access the blind meeting operation server 100 . The clients 200 are members of a male member and a female member as members of the blind meeting operation server 100, and use the online meeting service.

The blind meeting operation server 100 is provided as a typical computer system and interconnects a plurality of clients 200: 210 to 230 connected through a wired / wireless communication network to provide an online meeting service. The blind meeting operation server 100 has a blind function for performing lattice or blur processing of photo information about users of the clients 200 using the blind meeting operation program 110 and gradually providing the blind processing.

2, the blind meeting operation server 100 includes a control unit 102, a communication unit 104, a blind meeting operation program 110, and a blind meeting management database (DB) 120 .

The control unit 102 controls and processes all operations of the blind meeting operation server 100. The control unit 102 includes software such as an operating system program, a control program, etc., as well as hardware such as a central processing unit, a memory and the like. The control unit 102 controls the blind meeting operation program 110 to process the chat between the clients 200 connected to the blind meeting operation server 100 by the wired / wireless communication network.

The communication unit 104 is connected to a wired / wireless communication network and is provided to enable mutual data communication between the clients 200 and the blind meeting operation server 100.

The blind meeting operation program 110 is stored in a storage device (not shown), reads various information from the blind meeting operation database 120 under the control of the control unit 102 or transmits various information to the blind meeting operation database 120, . The blind meeting operation program 110 also provides information read from the blind meeting operation database 120 to the clients 200 through a wired / wireless communication network. The blind meeting operation program 110 is provided by downloading and installing the clients 200. The blind meeting operation program 110 blindly processes the photo information of the other party to provide a dialog between male and female members of the clients 200, Or to provide a mutual contact number if you wish to meet.

To this end, the blind meeting operation program 110 includes a blind meeting processing module 112 and a blind meeting management module 114. The blind meeting processing module 112 performs blind processing on photograph (image) information of each member in a stepwise manner, and performs auto matching using the member information input from the clients 200 so that a meeting can be performed between the members . The blind meeting management module 114 manages the matching history of the members processed by the blind meeting processing module 112 and the record between the members such as the list registration when added as a friend or a lover. In addition, the blind meeting management module 114 manages purchases and usage details of various items purchased by members or mutually provided. The detailed processing procedures of the blind meeting operating program 110 will be described in detail in the following FIG. 3 to FIG.

The blind meeting management database 120 stores various information according to the process of the blind meeting operating program 110. [ In this embodiment, the blind meeting management database 120 is input when the clients 200 join the blind meeting operation server 100, and the member information 122, which registers and stores the photos of the members themselves, Item information 124 for storing information on various items that the member purchases or mutually provided among the members, and a list to be registered when the members are added as a matching history, a friend or a lover Matching information 126, and the like.

The membership information 122 includes information such as name, gender, age, education, occupation, ID, e-mail address, nickname, password, contact number of the client 200 registered in the blind meeting operation server 100 And the like. The member information 122 includes photo information (original) of the member.

The item information 124 includes a purchase history, an acquisition history, and a usage history of various items purchased by the member or provided to the other corresponding to the member information 122. In this embodiment, the item information 124 is provided with stamps, apples, hearts, and the like. The stamp is a paid cash item that a male member provides to a female member. The male member purchases the item at a predetermined unit amount, and the male member is provided as an item necessary for continuing the conversation with the female member.

Therefore, the stamp is an indispensable item in that the blind function is released in a stepwise manner to confirm the photo information of the member to be provided and conversation is constantly progressed with the other party. Also, for the male members who want to meet quickly, or for higher profit, they are ready to use after purchasing a large number of stamps. When mass use is made after mass purchasing, Due to the depletion, we can get the online meeting service up and running fast. Therefore, such a stamp is provided as a cache settlement increasing element.

The apple item is a free and paid (advertising revenue) item that a male member can express a favorable feeling to a female member. In using the online meeting service, it is possible to carry out the verification and inspection again or send a note to the other party It is a kind of item. At this time, the female member can only reply to the received note. And the heart item is an item that a female member provides to a male member who likes it, and can express his / her mind by using it. Apples and heart items are not free of charge when you sign up, and you can pay for them free of charge by inviting friends, viewing ads, and so on.

In addition, the matching information 126 stores a history of matching between members and a record of members such as a list registration when added as a friend or a lover.

The blind meeting operation server 100 of the present invention provides an online meeting service with a blind function in which the other party is displayed in a stepwise manner using a grid or a blur processing method of the member's photo information.

The blind meeting operation server 100 of the present invention provides a blind function to an online meeting service, thereby enabling a straight talk conversation to see curiosity and a natural next process (appearance), and as a result, a higher matching success rate can be expected. It can compensate for the disadvantages of general services that simply refuse to see pictures and do not even talk.

FIG. 3 is a flow chart showing a processing procedure of the online meeting service system according to the present invention, FIG. 4 is a flowchart showing a processing procedure according to item use of the online meeting service system of the present invention, and FIGS. 5e are views for explaining a blinding function for providing photographs of the other party step by step according to an embodiment of the present invention.

Referring to FIG. 3, the online meeting service system 2 of the present invention first connects users of the clients 200 to the blind meeting operation server 100 through a wired / wireless communication network and joins as a member. At this time, when registering as a member, photo information is registered in the member information. In addition, the online meeting service determines the period until the mutual contact number is disclosed, and processes the blind chat in a phased manner. In this embodiment, the blind chat is performed on a weekly basis.

An online meeting is made between the members of the client 200 by auto matching at the first day (i.e., Monday) at step S300. Auto-matching uses the member information to automatically link male and female members to select the desired partner or the most suitable partner.

In step S302, the auto-matched counterparts mutually agree with each other to determine whether the matching is successful. As a result of the determination, if the matching is successful, the first stage blade chat is processed in step S304. That is, the photograph information is blinded to about 80% from the original, and is provided to the other party, thereby roughly confirming the appearance of the other party. At this time, the chat window is activated and the conversation proceeds. Here, within the predetermined time, it is provided to select whether to continue the conversation with the other party on the next day, that is, on the second day (Tuesday).

However, if the auto-matching is not successful, the procedure proceeds to step S306, and if the other party does not like each other, the party directly selects the other party. This selects the desired reason, proceeds to step S302, and performs a blind chat process of the first stage in the step S304 by advancing the crush according to whether or not there is a crush on the other party selected by the user. Also, in the case of another day (Tuesday to Sunday) other than the first day (Monday), processing is performed so that the user directly selects the other party (S306) instead of the auto matching step (S300).

If it is desired to continue the conversation with the other party even on the second day (Tuesday) in step S308, the second-step blind chat is processed in about 60% from the original in step S310. Here, within a predetermined time, the user is also allowed to select whether to continue conversation with the other party on the next day, that is, the third day (Wednesday).

Therefore, if it is desired to continue the conversation with the other party from the third day (Wednesday) to the fourth day (Thursday) in steps S312 to S318, the blind processing is performed on the picture information from the original in steps of 40%, 20% To the fourth-level blind chat.

If it is desired to continue the conversation with the other party on the fifth day (Friday) in step S320, a stamp is provided from the male member client 200 to the female member client 200 in step S322. To this end, the male member client 200 pre-purchases the stamp at any of the above-described steps S300 to S320 from the blind meeting operation server 100. [

If the stamp is accepted by the client 200 of the female member in step S324, the original photo information is provided to the client 200 of the other party in step S326, and the mutual contact number is exchanged in step S328 do. Then, in step S330, the meeting details of the meeting with which the meeting is completed are registered in the list and stored in the blind meeting management database 120. [

In the present invention, the blind function is processed step by step at intervals of one week. That is, photo information of the other party is blindly processed in a progressive manner according to the day of the week. In this embodiment, as shown in FIG. 5A, only the photograph information corresponding to 20% of the original photograph is blinded so that the photograph information of the other party is represented only by the silhouette until 12:00 on Monday and 6:00 on Tuesday on the first day And blind processing is performed on the second day from 6:00 pm to 6:00 pm on Wednesday so that the outline is slightly visible to provide only the photograph information corresponding to 40% of the original photograph as shown in FIG. 5b, and As shown in FIG. 5C, about 60% of the original photograph is provided to the extent that a sense of approximate feeling occurs from 6:00 pm on Wednesday to 6:00 pm on the third day. On the fourth day, 6:00 pm on Friday and 6:00 pm on Friday, blind processing is performed to a degree of detail that is not distinct and vivid, providing photographic information corresponding to 80% of the original photograph, as shown in FIG. 5d, From 6 pm on Friday afternoon, we will see about 80% of the photo information on the 4th day until the end of matching and service for one week, that is, 1 week. If the male member stamps the female member, , They open each other's original photos and exchange their contacts.

Referring to FIG. 4, the online meeting service system 2 of the present invention purchases a stamp at the male member's client 200 at step S350 in order to use the stamp in the online meeting service. If the male member wishes to talk to the selected party in step S352 or to continue the conversation the next day, the female member's client 200 is provided with a stamp in step S354.

If the female member's client 200 accepts or accepts the stamp in step S356, processing proceeds to establish a conversation between the parties in step S360; otherwise, the stamp is returned to the male member's client 200 in step S358 do.

If the client 200 of the female member wishes to purchase the merchandise in step S362, the merchandise exchange right for exchanging the merchandise in step S364 is provided to the client 200 of the female member, and then the stamp used in step S366 .

The stamp is used when a male member wishes to have a conversation with a female member the next day, or to ask a conversation to the desired reason, and does not give it as a gift. In addition, if the male member wishes to continue the conversation the next day or to ask for a conversation, but the female member refuses, the stamp used by the male member is returned.

In addition, the stamp is a certain amount, for example, 1,000 won at the time of purchase by a male member, but a certain fee is deducted when a female member uses the stamp. For example, if a male member writes 10 stamps to a female member, the male member's spending is 10,000 won, but the merchandise that can be purchased with the stamp collected by the female member is 5,000 won, which is transmitted to the blind meeting operation server 100 ) Of the operating profit.

In addition, the stamp can be exchanged with the merchandise through the corresponding service by linking the platform of the gift shop to the blind meeting operating program 110. At this time, the exchange method shows the exchangeable commodity and exposes the number of stamps for exchanging the commodity so that the commodity can be directly exchanged for the desired commodity. In this case, the commodity stamp is subtracted and exchanged.

As described above, the online meeting service system 2 of the present invention provides photo information in a stepwise manner with a blind function, which is difficult to predict how easily one feels, , Continuous conversation is continued, and eventually contacts are exchanged and meetings are held offline.

Therefore, in the case of male members, through dialogue with the other party in a step-by-step manner, they receive as much information as possible and professionally conduct verification and examination to provide the world's poor women with confidence and confidence to meet the proven reason.

Also, in the case of a female member, the member information exposed to the other party is a nickname, the member information of the smallest amount is provided to the other party, and the nickname prevents the unwanted party from knowing himself, And can be changed. Also, male members are treated as email addresses that are not nicknames in order to provide credibility and verification.

In addition, in order to allow the user to communicate with the other party periodically, it is possible to re-enter the member after one cycle, for example, seven days, and to allow the user to join the same email address after three months have elapsed Thereby providing an online meeting service with reliability.

As described above, the online meeting service system 2 of the present invention is provided with a blind function for gradually providing photo information of the other party as an original. This is a psychological factor in the consumer purchase psychology process, which is generally divided into AIDAS (Aidma) and AISAS (Isas). AIDMA is the advertising principle that indicates the purchasing process of the consumer. It shows contents of A (Attention, I), I (Desire), M (Memory), A AIDCA (CID) with C (Confidence and Conviction) is used in place of M (Memory), which is related to the display theory. The AISAS of A (Attention, Attention), S (Search, Search), A (Action, Behavior) and S (Share, Sharing)

Therefore, the element that meets the Aidama, the Isas, and the Idahar is the blind function, the reason and the limited dialogue, the desire is the continuous conversation and the part that wants to see the other quickly is added to the psychological factor. For example, a male member who wants to make a quick and fast pre-order can purchase a large amount of stamps with 80% open from the original photographs, so that they can be courted by the other party. In the case of female members, stamps obtained through safe and comfortable conversation with verified male members can be exchanged for coffee and other various goods through the Kifty Shop.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, This is possible.

2: Online Meeting Service System
100: Blind Meeting Operating Server
102:
104:
110: Blind Meeting Operating Program
112: Blind Meeting Operation Processing Module
114: Blind Meeting Operation Management Module
120: Blind Meeting Management Database
122: Member Information
124: Item Information
126: Matching information
200, 210 ~ 230: Client

Claims (9)

In an online meeting service system:
Wired / wireless communication network;
A plurality of clients connected to a wired / wireless communication network and provided with an online meeting service;
And a blind function for gradually grating or providing blind processing of photo information about the users of the clients and processing the blind function to communicate with each other step by step in correspondence with the photo information provided through the blind function, And a blind meeting operation server for performing a blind meeting operation;
The blind meeting operation server comprises:
The clients are registered as a member, the blind function is processed in a stepwise manner with the photo information of each member, the partner is automatically matched using the member information inputted from the clients so that the meeting between the members of the clients can be performed, The blind function is used to manage the list of meeting details and the meeting results of the members of the client in a phased manner by using the processed photograph information, A blind meeting operating program is provided;
The blind meeting operating program comprises:
The clients are registered as a member, the blind function is processed in a stepwise manner with the photo information of each member, the partner is automatically matched using the member information inputted from the clients so that the meeting between the members of the clients can be performed, A blind meeting processing module for allowing the blind function to communicate stepwise using photograph information processed;
A blind meeting management module for managing a list of matching results and meeting results between the members of the client processed by the blind meeting processing module and managing various items purchased or mutually provided by members of the client, ;
The item is provided to a male member of the client who purchases the male member for a fee and to a female member who desires to continue the conversation so that the blind function is released in a stepwise manner for the female member's photo information, A male member of the client member purchases for a fee or is provided free of charge and has at least an apple item to be provided to a favorable female member and a heart item to be provided to a male member of a female member of the client Wherein the online meeting service system comprises: delete delete The method according to claim 1,
The blind meeting operating program comprises:
Processing the blind function in a stepwise manner using the photo information processed in a periodic schedule;
Wherein the online meeting service system performs automatic matching using the member information among the members of the client on the first day of the periodical schedule and selects the other party on the remaining days of the periodical schedule. A processing method of an online meeting service system having a blind meeting operating server connected to a plurality of clients through a wired / wireless communication network and providing photographic information between the clients, the method comprising:
The users of the clients access the blind meeting operating server through the wired / wireless communication network, register member information including the photo information, join the member, and match the desired party among the clients;
The blind function of processing the photo information in a lattice or blur manner is processed and the period until the online meeting service discloses the contact number of the other party is determined, A step of chatting using the photo information processed by the blind function step by step;
If the chat succeeds before the end of the cycle, disclosing an original of the photo information;
Exchanging mutual contact information when the original of the photo information is disclosed;
The method comprising:
If the success of the chat is successful before the end of the period, determining whether the other party agrees to disclose the original of the photo information;
Wherein the determining comprises:
Wherein a member of the clients is a male member and purchases the item from the blind meeting operating server and provides the item to a client who is a female member of the clients, , And determines that the original of the photo information is disclosed;
The item is provided to a male member of the client who purchases the male member for a fee and to a female member who desires to continue the conversation so that the blind function is released in a stepwise manner for the female member's photo information, A male member of the client member purchases for a fee or is provided free of charge and has at least an apple item to be provided to a favorable female member and a heart item to be provided to a male member of a female member of the client The method comprising the steps of: 6. The method of claim 5,
The matching step comprising:
Wherein the automatic matching process is performed on the first day of the cycle using the member information of the members of the client and the other party is directly selected on the remaining days of the cycle. delete delete The method according to claim 5 or 6,
The method comprising:
Further comprising the step of purchasing a product using the item provided to the female member of the client.

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