KR20170062836A - Method for providing chatting service - Google Patents
Method for providing chatting service Download PDFInfo
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- KR20170062836A KR20170062836A KR1020150168513A KR20150168513A KR20170062836A KR 20170062836 A KR20170062836 A KR 20170062836A KR 1020150168513 A KR1020150168513 A KR 1020150168513A KR 20150168513 A KR20150168513 A KR 20150168513A KR 20170062836 A KR20170062836 A KR 20170062836A
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- user
- chat
- invitation code
- chat service
- chat room
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- 238000000034 method Methods 0.000 title claims abstract description 51
- 230000004044 response Effects 0.000 claims abstract description 14
- 238000011156 evaluation Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 4
- 230000015654 memory Effects 0.000 description 96
- 238000010586 diagram Methods 0.000 description 35
- 238000007726 management method Methods 0.000 description 21
- 230000006870 function Effects 0.000 description 18
- 238000010200 validation analysis Methods 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 6
- 230000001186 cumulative effect Effects 0.000 description 6
- 238000004891 communication Methods 0.000 description 5
- 238000012217 deletion Methods 0.000 description 3
- 230000037430 deletion Effects 0.000 description 3
- OIWCYIUQAVBPGV-DAQGAKHBSA-N {1-O-hexadecanoyl-2-O-[(Z)-octadec-9-enoyl]-sn-glycero-3-phospho}serine Chemical compound CCCCCCCCCCCCCCCC(=O)OC[C@H](COP(O)(=O)OC[C@H](N)C(O)=O)OC(=O)CCCCCCC\C=C/CCCCCCCC OIWCYIUQAVBPGV-DAQGAKHBSA-N 0.000 description 3
- 125000002066 L-histidyl group Chemical group [H]N1C([H])=NC(C([H])([H])[C@](C(=O)[*])([H])N([H])[H])=C1[H] 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- G06Q50/30—
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L51/00—User-to-user messaging in packet-switching networks, transmitted according to store-and-forward or real-time protocols, e.g. e-mail
- H04L51/04—Real-time or near real-time messaging, e.g. instant messaging [IM]
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Abstract
A method of providing a chat service is disclosed. According to an embodiment of the present invention, there is provided a chat service providing method comprising: generating a chat room at a request of a first user; In response to the creation of the chat room, entering a second user other than the first user, wherein the first user or second user is one of a user subscribed to the chat service or a user not subscribed to the chat service Generating an invitation code of the chat room for making the chat room invite; Notifying the first user of the invitation code of the chat room; Receiving a character string from the first user and setting the character string as a password of the chat room; Providing an interface for receiving the invitation code and the password to the second user; And entering the second user into the chat room when the invitation code and the password are input through the interface.
Description
The following embodiments relate to a method of providing a chat service.
The chat service supports immediate (real-time) communication of multiple users using a network such as the Internet. Such a chat service can be distinguished from an e-mail service in that a conversation takes place in real time.
Generally, in order for a user to use a chat service, he or she must subscribe to the chat service. At this time, in order to subscribe to the chat service, it is required to input personal information of the user such as resident registration number and address. Such personal information may be stored in a server providing a chat service. In addition, the server providing the chat service may store the message entered by the user in the chat service. As a result, when someone hacks a server that provides a chat service, the user's personal information and the message entered by the user in the chat service may all be exposed to others. Accordingly, the user may feel uneasy that his / her personal information and the message input by the user may be exposed to others while using the chat service.
Recently, efforts have been made to provide a chat service more securely without exposing personal information.
A problem to be solved by the present invention is to protect the privacy of a user and guarantee anonymity without exposing the personal information of the user and to permanently delete the contents of the conversation in the chat service to guarantee the user's right to be forgotten And to provide a chat service method that can be used.
According to an embodiment of the present invention, there is provided a chat service providing method comprising: generating a chat room at a request of a first user; In response to the creation of the chat room, entering a second user other than the first user, wherein the first user or second user is one of a user subscribed to the chat service or a user not subscribed to the chat service Generating an invitation code of the chat room for making the chat room invite; Notifying the first user of the invitation code of the chat room; Receiving a character string from the first user and setting the character string as a password of the chat room; Providing an interface for receiving the invitation code and the password to the second user; And entering the second user into the chat room when the invitation code and the password are input through the interface.
Wherein the step of generating the invitation code comprises the steps of: depending on a rating in the chat service of the first user, a first type of invitation code or a plurality of characters based on a string assigned to the first user, And generating a second type of invitation code that is a second type of invitation code.
The method of providing a chat service according to an exemplary embodiment may further include setting a restricted character string that is excluded from a character string assigned to the first user.
A method of providing a chat service according to an exemplary embodiment includes: checking a rating of the first user in the chat service; And a step of previously designating a character string including content for the first user when the rating of the first user in the chat service matches a predetermined rating as a result of the checking, The generating step may include generating the invitation code of the first type based on a character string including the content of the first user.
The information about the first user of the chat room, the presence of the chat room, and the invitation code may be unofficial to the second user.
The step of informing the first user of the invitation code of the chat room may include notifying the invitation code in the chat room or notifying the invitation codes through an interface for notifying the invitation code.
According to an embodiment of the present invention, there is provided a method of providing a chat service, the method comprising: receiving a message to be transmitted from the first user to another user outside the chat room; And excluding information on the invitation code among messages to be transmitted to the other user
As shown in FIG.
According to an embodiment of the present invention, there is provided a method of providing a chat service, the method comprising: receiving a message from the first user outside the chat room to notify another user; And excluding the information on the invitation code from the predetermined number or more of messages when the number of messages including the information on the invitation code among the messages for informing the other users is equal to or greater than a predetermined number have.
The method of providing a chat service according to an embodiment further includes setting a state of the invitation code to an enabled state in response to generation of the invitation code, And entering the second user into the chat room upon receipt of the invitation code and the password of the second user when the invitation code is in a usable state.
The method of providing a chat service according to an embodiment further includes setting a state of the invitation code to an unusable state in response to the removal of the chat room and the step of entering the second user into the chat room comprises: And blocking the entry of the second user into the chat room in accordance with the input of the invitation code and the password of the second user when the state of the invitation code is unavailable.
The step of setting the state of the invitation code to the disabled state may include a step of setting the state of the invitation code to the usable state if a predetermined condition is satisfied.
The step of setting the state of the invitation code to the usable state may include a step of setting the state of the invitation code to the usable state when a predetermined time has elapsed at the time when the chat room is removed .
The step of setting the state of the invitation code to the usable state includes: calculating an evaluation score by evaluating the value of the invitation code; And setting the state of the invitation code to the usable state when the evaluation score of the invitation code is a predetermined score or more.
The setting of the restriction string may include setting the invitation code in the disabled state to the restricted string.
The chatting service providing apparatus according to an exemplary embodiment of the present invention includes a chatting room managing unit for creating a chatting room at a request of a first user among users subscribed to the chatting service; In response to the creation of the chat room, a second user other than the first user, wherein the second user is one of a user subscribed to the chat service or a user not subscribed to the chat service, An invitation code management unit for generating an invitation code of the chat room and notifying the invitee of the chat room to the first user; And a password management unit that receives a character string from the first user and sets the character string to the password of the chat room, and the chat room management unit provides an interface for receiving the invitation code and the password to the second user And when the invitation code and the password are inputted through the interface, the second user can enter the chat room.
According to the present invention, since the user's personal information is not provided to the chat chat service server, the user can use the chat service anonymously.
According to the present invention, by entering the chat room using the invitation code, the personal information of the user can be prevented from being exposed.
According to the present invention, the user can enter the chat room when the user desires, without forcibly participating in the chat room.
According to the present invention, conversation contents in the chat room can be permanently deleted.
1 is a diagram illustrating a system environment in which a chat service providing method according to an embodiment is performed.
2 is a diagram illustrating a system environment in which a chat service providing method according to another embodiment is performed.
3 is a flowchart illustrating a method of providing a chat service according to an exemplary embodiment of the present invention.
4 is a view for explaining access to a chat service of a user according to an embodiment.
5 is a view for explaining an identifier of a user according to an embodiment.
6 is a diagram for explaining a chat room according to an embodiment.
7 is a diagram for explaining access blocking of a chat service according to an embodiment.
8 is a view for explaining the validity of a chat room according to an embodiment.
9 is a block diagram showing a chat service providing apparatus according to an embodiment.
10 is a flowchart illustrating a method of providing a chat service according to another embodiment of the present invention.
11 is a diagram for explaining generation and use of an invitation code according to an embodiment.
12 is a diagram for explaining setting of an invitation code according to an embodiment.
13 is a diagram for explaining transmission of information about an invitation code according to an embodiment.
14 is a diagram for explaining management of an invitation code according to an embodiment.
15 is a block diagram showing a chat service providing apparatus according to another embodiment.
16 is a flowchart illustrating a method of providing a chat service in a server according to an embodiment of the present invention.
17 is a diagram for explaining the removal of a chat room according to an embodiment.
18 is a diagram for explaining deletion of a specific message according to an embodiment.
19 is a diagram for explaining management of a message according to an embodiment.
20 is a diagram for explaining overwriting of a dummy string according to an embodiment.
FIG. 21 is a diagram for explaining the setting of a dummy character string according to an embodiment.
22 is a flowchart illustrating a method of providing a chat service of a terminal according to an embodiment of the present invention.
23 is a diagram illustrating a memory of a terminal according to an embodiment.
24 is a block diagram illustrating a server and a terminal providing a chat service according to an embodiment.
Hereinafter, embodiments will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to or limited by the embodiments. In addition, the same reference numerals shown in the drawings denote the same members.
Chat service
1 is a diagram illustrating a system environment in which a chat service providing method according to an embodiment is performed.
Referring to FIG. 1, a system environment according to an embodiment may include a
The
The
In one embodiment, the
Hereinafter, the 'chat service' includes a service for enabling real-time chatting by transmitting a note, a text message, a file, and data through a
2 is a diagram illustrating a system environment in which a chat service providing method according to another embodiment is performed.
Referring to FIG. 2, a method of providing a chat service may include a
The
3 is a flowchart illustrating a method of providing a chat service according to an exemplary embodiment of the present invention.
Referring to FIG. 3, the chat service providing apparatus may allow access to a chat service of a subscriber or a non-subscriber (310). Here, the chat service providing apparatus may be a server or a terminal providing a chat service. The chat service providing apparatus can allow not only the subscriber subscribed to the chat service but also the non-subscriber not subscribed to the chat service to access the chat service without joining the chat service. After accessing the chat service, the non-subscribed user may subscribe to the chat service or may chat with another user in the chat room without subscribing to the chat service. In one embodiment, the chat service providing apparatus may grant a right to create a chat room to a non-subscribed user, grant only the right to enter a chat room and perform chatting without granting the right to create a chat room, You may not grant permission to enter the chat room.
In addition, the chat service providing apparatus can confirm the first identifier of the user accessed in the chat service (320). Here, the first identifier may be a character string for the chat service providing apparatus to recognize the user. In one embodiment, the chat service providing apparatus can inquire of the subscriber in the database if the subscriber has access to the chat service, the first identifier designated in advance. As an example, when the subscriber joins the chat service, the chat service providing device may generate the first identifier and store the generated first identifier in the database. For example, the first identifier may be an ID (Identifier) used by the subscriber to access the chat service, an email address of the first identifier, or a character string generated by a chat service providing apparatus in accordance with a predetermined rule It is possible. Also, the chat service providing apparatus can check the state value of the subscriber and store the confirmed state value. For example, when the state value when the subscriber is not accessed to the chat service is set to 0 and the state value when the subscriber is accessed to the chat service is set to 1, The state value of the accessing subscriber can be changed to 1 and the state value can be maintained at 1 while the subscriber accesses the chat service.
In another embodiment, the chat service providing apparatus can generate the first identifier of the non-subscribed user when the non-subscribed user has access to the chat service. As an example, the chat service providing apparatus may generate the first identifier based on the attribute of the non-subscriber. For example, the chat service providing apparatus may be configured so that the order of the non-subscription user accessing the chat service, the time when the non-subscription user accesses the chat service, 1 identifier can be generated. In addition, the chat service providing apparatus may arbitrarily generate the first identifier of the non-subscriber. Also, the chat service providing apparatus can check the status value of the non-subscriber and store the confirmed status value.
In addition, the chat service providing apparatus can store the first identifier of the non-subscriber in the database, like the subscriber. At this time, the time interval in which the first identifier is held in the database may be set differently depending on whether or not the chat service of the user accessed in the chat service is subscribed. For example, the chat service providing apparatus may store a first identifier of a subscriber during a time interval from a time when the subscriber joins the chat service to a time when the subscriber leaves the chat service. In addition, the chat service providing apparatus may store the first identifier of the non-subscriber in the database for a time period from the time when the non-subscriber accesses the chat service to the time when the chat service is not accessed. In addition, when deleting the first identifier from the database, the chat service providing apparatus may collect the first identifier of the subscriber and the first identifier of the non-subscriber to distribute to the other users.
In addition, the chat service providing apparatus may allow the user who has accessed the chat service to enter the chat room (330). A user who is accessing the chat service can create a chat room or enter the chat room to enter the chat room. In one embodiment, the chat service providing apparatus may grant the subscriber a right to create a chat room, but may not grant the non-subscriber a right to create a chat room.
In one embodiment, the chat service providing apparatus may provide a user who is accessed in the chat service with a first interface in which information on another user who accesses the chat service and information on a chat room maintained in the chat service are unlisted . As an example, the first interface may be the base interface provided to the user who is accessed to the chat service. The chat service providing apparatus not only includes the first interface but also the other interface with information (for example, membership information) about another user who has accessed the chat service and information about the chat room maintained in the chat service (for example, List) may not be provided. Accordingly, the anonymity of the user with respect to the chat service can be ensured as other users can not obtain the information of the user and the chat room in which the user is chatting. In addition, the chat service providing apparatus can provide the user with a second interface for creating a chat room. The chat service providing apparatus can acquire a chat room creation request from the user through the first interface and the second interface and can create the chat room according to the chat room creation request.
In addition, the chat service providing apparatus may provide the user with a third interface for receiving an invitation code and a password for entering the chat room. The chat service providing apparatus can acquire a chat room input request from the user through the first interface and the third interface and can enter the chat room into the chat room according to the chat room entering request. The creation of the chat room and the entry of the chat room will be described in detail below.
In addition, the chat service providing apparatus may generate the second identifier based on the chat room identification code and the first identifier (340). Here, the identification code of the chat room may be an invitation code of the chat room to be described later, or may be a code given by the chat service providing device in addition to the invitation code of the chat room. For example, the chat service providing apparatus can generate the second identifier by combining the identification code of the chat room and the first identifier according to a predetermined rule. For example, when the chat service providing apparatus is the identification code abd of the chat room, the first identifier is qwer23, and the order of the users entering the chat room among the users in the chat room is the fourth, 2 identifier can be set to abd_qwer23_4.
In addition, the chat service providing apparatus may assign a second identifier to a user who has entered the chat room (350). Accordingly, the user can be identified by the second identifier in the chat room while entering the chat room. The chat service providing apparatus may designate the second identifier to the user who has entered the chat room, and then store the second identifier in the database. For example, the chat service providing apparatus can detect the number of cumulative users entering the chat room using the second identifier. For example, when one chat room is maintained for 10 hours, a plurality of users can enter or leave the chat room. In this case, the chat service providing apparatus can detect the number of the second identifiers in which the identification code of the chat room is combined among the second identifiers as the number of cumulative users who have entered the chat room.
In one embodiment, the chat service providing apparatus can retrieve the second identifier from the user who entered the chat room when the subscriber or the non-subscriber leaves the chat room or the chat room is removed. At this time, the chat service providing apparatus may or may not delete the second identifier stored in the database.
In one embodiment, the chat service providing apparatus receives a message from a user who has entered the chatting room in the chatting room, and displays the received message in the chatting room. In addition, the chat service providing apparatus may permanently delete a message received from the user in the chatting room when a user who enters the chatting room leaves the chatting room or the chatting room is removed. The deletion of the message will be described in detail below.
In addition, even when the chat room is removed, the chat service providing apparatus can store and retain the validity time of the chat room, the number of users who have entered the chat room, the invitation code and the password in the database, or delete the database.
In addition, the chat service providing apparatus may provide a chat service with the same function to a subscriber and a non-subscriber, or may provide a chat service with a function limited to a non-subscriber. For example, the chat service providing apparatus can provide the avatar function to the subscriber. For example, the chat service providing apparatus may generate an avatar of a subscriber, and may provide an avatar to a subscriber in a chat service. For example, the chat service providing apparatus can provide a point to the subscriber based on the chat service access time of the subscriber, the number of accesses to the chat service, and the like. The chat service providing apparatus can provide a function of decorating an avatar, and a subscriber can designate an avatar of a subscriber by using a given point.
4 is a view for explaining access to a chat service of a user according to an embodiment.
Referring to FIG. 4, the chat service providing apparatus may provide an
5 is a view for explaining an identifier of a user according to an embodiment.
Referring to FIG. 5, the chat service providing apparatus may generate the second identifier by combining the identification code of the chat room and the first identifier. For example, when the identification code of the chat room is A351 and the first identifier is pops117, the chat service providing apparatus may set the second identifier to A351_pops117. The chat service providing apparatus may store the identification code of the chat room, the first identifier and the second identifier in the database. Also, the chat service providing apparatus can detect the number of cumulative users who have entered the chatting room by using the information about the second user stored in the database. For example, the chat service providing apparatus can retrieve, from the database, two second identifiers based on the chat room identification code A351, and from the retrieved second identifiers, the cumulative users of the chat rooms with the identification code A351 to two Can be detected.
6 is a diagram for explaining a chat room according to an embodiment.
Referring to FIG. 6, the chat service providing apparatus may provide a
7 is a diagram for explaining access blocking of a chat service according to an embodiment.
Referring to FIG. 7, when the non-subscribed user accesses the chat service, the chat service providing apparatus can acquire the device identifier of the non-subscribed user. Here, the device identifier may be an identifier for identifying a terminal of a non-subscriber, for example, a physical device identifier or a logical device identifier. The physical device identifier includes the hardware serial number such as the IP address of the terminal, MAC address, CPU (MCU), HDD, and the like. The logical device identifier may represent a value obtained by combining physical device identifiers. For example, the logical device identifier may be a combination of the IP address of the terminal and the MAC address, or may be a combination of the serial number of the CPU of the terminal and the HDD serial number of the terminal. The device identifier may also include a combination of a physical device identifier and a logical device identifier.
The chat service providing apparatus can store the device identifier of the non-subscribed user while the non-subscribed user is being accessed to the chat service. For example, the chat service providing apparatus may store information on whether a device identifier of a non-subscriber and a device identifier are deleted in the table 710. [ The chat service providing apparatus can delete the device identifier of the corresponding non-subscriber from the database if the non-subscriber is not accessed with the chat service. In addition, the chat service providing apparatus may not delete the device identifier of the corresponding non-subscriber in the database according to a predetermined condition even when the non-subscriber is not accessed by the chat service. For example, when a report on a non-subscribing user is received from another user, the chat service providing apparatus inquires of the device identifier of the non-subscribing user from the database, Access to the service can be blocked. As an example, as in
8 is a diagram for explaining the validity of a chat room according to an embodiment
Referring to FIG. 8, the chat service providing apparatus may check the validity of the chat room, and if the chat room is not valid, the chat room may be removed. For example, when the first user and the second user enter the chat room, the chat service providing apparatus may not provide any information about the user or may not provide other information besides the user's first identifier in the chat room. Accordingly, it may be difficult for the first user and the second user to determine whether the other party is a trustworthy user. For example, after a first user (e.g., a user who has created a chat room) notifies the invite codes to a second user who is a non-subscribing user without using the chat service, When entering the chat room, only the identifier of the second user is displayed in the chat room, so that it may be difficult for the first user to judge whether the second user is the trustworthy person or the impersonator. Accordingly, the chat service providing apparatus can check the availability of the chat room to improve the reliability of the first user and the second user. In one embodiment, the chat service providing apparatus receives a character string for confirming the validity of the chat room from the first user, and receives a character string for confirming the validity of the chat room from the second user. At this time, if the character string inputted from the first user and the character string input from the second user are not matched, the chat service providing apparatus can remove the chat room. In the example of FIG. 8, the first user may request validation of the chat service provision device via
In one embodiment, the chat service provision device may receive more than one set of questions and answers to validate from the user. In this case, the chat service providing apparatus provides the second user with a set of questions of at least two sets of questions inputted from the first user, receives the answer from the second user, receives the answer from the second user It can be determined whether or not the answer matches the answer received from the first user. In addition, the chat service providing apparatus provides two or more sets of questions to the second user, receives answers to each of the two sets of questions from the second user, receives each of the answers received from the second user from the first user It is possible to judge whether each of the answers is matched.
Further, in one embodiment, the chat service providing apparatus can perform validation using a predetermined character string. For example, a validation request may be received from a first user (e.g., a user who has created a chat room) entering the chat room. In this case, the chat service providing apparatus, in response to the validation request, performs validation, receives a character string for confirming the validity of the chat room from the second user who has entered the chat room, If the strings do not match, the chat room may be removed or the second user may be removed from the chat room. For example, the predetermined string may be a password that the user enters to enter the chat room. In addition, the predetermined character string may be a character string previously known to users who entered the chat room. In another embodiment, the first user may change a predetermined string and then notify it to a person who is thought to be a second user who has entered the chat room using a means other than the chat room. At this time, the chat service providing apparatus receives a character string from the second user, and can determine whether the character string input from the second user matches the changed character string. If the person who is thought to be the second user is actually the second user, the second user may enter the changed character string, thereby removing the chat room or leaving the second user in the chat room. On the other hand, when the person who is thought to be the second user is not actually the second user, the second user can not input the changed character string. Accordingly, the chat service providing apparatus removes the chat room, It can be released. As described above, the reliability of the first user of the second user can be improved through the validity determination. For example, the first user may change the password for entering the chat room, and may change the changed password by means other than the chat room (for example, a note function provided by the chat service, a message function, offline, wired communication, SMS, ) Can be used to inform the person who is thought to be the second user who has entered the chat room to know the changed password. In this case, the chat service providing apparatus can receive the validation request from the first user, and can perform validation according to the validation request. The chat service providing apparatus can receive the character string from the second user in the validity check, determine whether the changed password matches the input character string, and determine whether to remove the chat room according to the matching result.
9 is a block diagram showing a chat service providing apparatus according to an embodiment.
9, the chat
The
The chatting
The chat service providing apparatus shown in FIG. 9 may be applied to the chat service providing apparatus shown in FIG. 1 through FIG. 8 as it is, so that detailed description will be omitted.
Create a chat room and enter a chat room
10 is a flowchart illustrating a method of providing a chat service according to another embodiment of the present invention.
Referring to FIG. 10, the chat service providing apparatus may generate a chat room according to a request of a first user (1010). Here, the first user may be a subscription user subscribed to the chat service or an unsubscribed user who is not subscribed to the chat service.
In addition, the chat service providing apparatus may generate an invitation code in response to the generation of the chat room (1020). Here, the invitation code indicates an identifier capable of identifying the generated chat room, and may be for entering a second user other than the first user into the chat room. Here, the second user may be a subscriber subscribed to the chat service, or may be a subscriber who is not subscribed to the chat service. In the chat service, the chat room does not have a title, and the chat room may not be disclosed to other users. Accordingly, only the invitation code can act as a key to enter the chat room. In addition, the invitation code may not be disclosed to other users. Accordingly, the invitation code can be delivered to the other user by the first user who created the chat room. At this time, the invitation code may be delivered via a function (e.g., a message) internal to the chat service or via a method external to the chat service (e.g., oral delivery).
In one embodiment, the chat service provision device may generate a first type of invitation code or a second type of invitation code according to a rating in the chat service of the first user. Here, the first type of invitation code may be based on a character string assigned to a first user, and the second type of invitation code may be arbitrarily combined with a plurality of characters. For example, the rating of a user subscribed to a chat service may include a premium rating and a general rating. The prime mime class is higher than the normal grade and the chat service providing device can classify the user into the premium grade and the general grade considering the number of times of using the chat service, the usage time, and the payment history in the chat service. In the case of a premium member, a character string to be used in the invitation code may be specified in advance. To this end, the chat service providing apparatus confirms the rating of the first user in the chat service, and when the rating in the chat service of the first user matches the predetermined rating, that is, For premium grades, you can specify the string used in the invitation code. Here, the character string used for the invitation code may include the content for the first user. In other words, the chat service providing apparatus may receive the invitation code from the first user and set the invitation code as the invitation code of the chat room.
In one embodiment, the chat service providing apparatus may receive the character string used for the invitation code from the first user or arbitrarily designate it. In addition, the chat service providing apparatus can set a restriction string that is excluded from the string used in the invitation code. For example, a chat service providing apparatus can generate a special character, a sex speech, a character string causing confusion of a source, a bingo word, and the like as a limited character string. Accordingly, the chat service providing apparatus can set the character string not including the restricted character string to be used in the invitation code.
In another example, when the rating of the first user is a general rating, the chat service providing apparatus may generate a second type of invitation code by arbitrarily combining a plurality of strings when the first user creates the chat room. In one example, the chat service providing device may randomly generate a plurality of strings to generate a second type of invitation code, determine whether the second type of invitation code includes a restricted string, In the case of including the limitation string, the chat service providing apparatus may arbitrarily generate a plurality of strings to reproduce the invitation codes of the second type.
In addition, the chat service providing apparatus may notify the first user of the invitation code (1030). In this case, the chat service providing apparatus can notify in the invitation codes chat room or can notify the invite codes to the first user through the interface for notifying the invitation code.
Also, the chat service providing apparatus can set the password of the chat room (1040). The chat service providing apparatus can receive a character string from the first user and set the input character string to the chat room password. Accordingly, when another user attempts to enter the chat room, if the invitation code and the password can not be input, the entrance of the chat room may be blocked.
In addition, the first user may transmit the invitation code and password to the second user outside the chat service, or may transmit it in the chat service. For example, the first user can notify the second user of the invitation code and the password out of the chat service using a telephone or the like, and transmits the invitation code and the password to the second user using a note function, a message function, 2 Users can be notified. In one embodiment, when notifying a second user of an invitation code and a password in the chat service, the chat service providing apparatus may restrict the transmission of the invitation code and the password for security. For example, the chat service providing apparatus may receive a message to be transmitted from the first user to another user outside the chat room, and may exclude information regarding at least one of the invitation code and the password. In this case, the first user can inform the second user of the invitation code and the password outside the chat service. In another example, the chat service providing apparatus receives a message to be transmitted from the first user to another user outside the chat room, receives a message including at least one of the invitation code and the password, , Information on at least one of the invitation code or the password may be excluded from the predetermined number or more of messages. For example, when the first user inputs five messages including information on the invitation code, messages from the first message to the third message are normally transmitted. In the fourth message and the fifth message, information about the invitation code Can be excluded. Accordingly, the chat service providing apparatus may allow sharing of the invitation code and the password less than a predetermined number of times for security. If there is a user who wants to share the invitation code and password more than a certain number of times, the chat service providing apparatus increases the number of times the invitation code and password can be shared through a predetermined method (for example, billing the user) .
In addition, the chat service providing apparatus may provide an interface for receiving the invitation code and the password to the second user (1050). For example, when the second user selects an interface for entering the chat room, the chat service providing apparatus may provide an interface for receiving the invitation code and the password to the second user. For example, the chat service providing apparatus may provide an interface for receiving an invitation code and a password to both the subscriber and non-subscriber.
In addition, the chat service providing apparatus may enter the second user into the chat room (1060). The chat service providing apparatus can enter the second user into the chat room if the invitation code and the password input from the second user coincide with the invitation code and password of the chat room. Accordingly, the second user can not forcibly participate in the chat room, and the second user can enter the chat room by inputting the invitation code and the password when he / she desires.
Further, the chat service providing apparatus can classify the state of the invitation code into the usable state and the unusable state. Here, the usable state indicates a state in which the invitation code can be used as the invitation code of the chat room, and the unusable state indicates that the invitation code can not be used as the invitation code in the chat room. For example, if the invitation code "AAA" is the invitation code of the chat room currently being maintained, the invitation code "AAA"
In one embodiment, the chat service providing apparatus can set the state of the invitation code to a usable state in response to the generation of the invitation code when the invitation code is generated, and when the state of the invitation code is usable, When the user inputs the invitation code and the password, the second user can enter the chat room. In another embodiment, the chat service providing apparatus can disable the state of the invitation code in response to removal of the chat room, if the chat room is removed. For example, if the invitation code "AAA" is the invitation code of the chat room currently being held and the corresponding chat room is removed, the invitation code "AAA" If the state of the invitation code is unavailable, the second user can block entry of the second user into the chat room even if the second user enters the invitation code and the password.
In another embodiment, the chat service providing apparatus can change the state of the invitation code from the use state to the usable state when a predetermined condition is satisfied. For example, when the invitation code is set to the disabled state according to the removal of the chat room and a predetermined time (for example, 24 hours) has elapsed at the time the chat room is removed, the invitation code is set to the enabled state . For example, when the first user of the premium class generates the chat room with the invitation code "POPS" and then the chat room is removed, the chat service providing device sends the invitation code "POPS" to the chat room even if the first user creates the chat room. Quot; POPS "to the corresponding chat room when the first user creates the chat room after lapse of 24 hours. Further, the chat service providing apparatus can change the state of the invitation code based on the value of the invitation code that is in an unusable state. For example, the chat service providing apparatus may evaluate the value of the invitation code that is in an unusable state, calculate the evaluation score, and change the state of the invitation code to the usable state if the evaluation score is equal to or higher than the predetermined score. For example, the chat service providing apparatus can set the meaning of the invitation code, the identification power of the invitation code, the frequency of use of the invitation code, the utility value of the invitation code, and the like as evaluation criteria of the invitation code. At this time, the chat service providing apparatus can evaluate the invitation code "KOREA" with high discrimination with a high score, and the invitation code "QJDF3873288" Accordingly, the chat service providing apparatus can set the invitation code "KOREA " to the usable state and set the invitation code" QJDF3873288 " to the disabled state.
In one embodiment, the chat service providing apparatus can set the invitation code that is in a disabled state to a limited string. Accordingly, the invitation code in the unusable state can not be used as the invitation code until it becomes the usable state.
11 is a diagram for explaining generation and use of an invitation code according to an embodiment.
11, when a user accesses a chat service, the chat service providing apparatus may provide an
When the user selects the
12 is a diagram for explaining setting of an invitation code according to an embodiment.
Referring to FIG. 12, the chat service providing apparatus may provide a function of setting invitation codes to a user. As an example, the chat service providing apparatus may provide an invitation code setting function when a user creates a chat room. The chat service provision device provides an
13 is a diagram for explaining transmission of information about an invitation code according to an embodiment.
Referring to FIG. 13, the chat service providing apparatus can transmit an invitation code to a user using a note function provided in a chat service. As an example, as with
14 is a diagram for explaining management of an invitation code according to an embodiment.
Referring to FIG. 14, the chat service providing apparatus can store the generated invitation code and availability of the invitation code in a table 1410 in the database and manage the invitation code. The chat service providing apparatus can update the table 1410 upon changing the state of the invitation code. For example, when the invitation code is generated, the chat service providing apparatus sets the state of the invitation code to the usable state and stores it in the table 1410. If the chat room is removed, the invitation code of the removed chat room can not be used And can be stored in the table 1410. FIG. When generating the chat room, the chat service providing apparatus inquires the table 1410 to determine whether the invitation code to be assigned to the chat room is available or not. If the invitation code to be assigned to the chat room is unavailable, You can assign another invitation code to your chat room.
15 is a block diagram showing a chat service providing apparatus according to another embodiment.
15, the chat
The chatting
In response to the creation of the chat room, the invitation
The
In addition, the chat
The chat
Delete message
Hereinafter, for convenience, the chat service providing apparatus will be described as a server and a terminal. However, this is for convenience of explanation, and the description of the server may be applied to the terminal, and the description of the terminal may also be applied to the server.
16 is a flowchart illustrating a method of providing a chat service in a server according to an embodiment of the present invention.
Referring to FIG. 16, the server may generate a chat room according to a request of the first user (1610). Here, the first user may be a subscription user subscribed to the chat service or an unsubscribed user who is not subscribed to the chat service. In one embodiment, upon creation of the chat room, an invitation code and password corresponding to the chat room may be generated.
In addition, the server may enter a second user into the chat room (1620). Here, the second user represents a user other than the first user, and may be a subscriber or a non-subscriber. In one embodiment, when the second user enters the invitation code and password corresponding to the chat room, the server may enter the second user into the chat room.
In addition, the server may allocate an address of a memory region (1630). Here, the memory area may store a message input by the first user and the second user into the chat room. The memory area may indicate a memory area where the entire message input to the chat room is stored, or at least a part of the entire message And may represent one block of a memory area that is divided and stored. Accordingly, the server may allocate an address for storing the entire message in the memory, or may allocate a plurality of addresses for storing at least a part of the entire message. At this time, the server can adjust the size of the memory area. The server further includes an address of the first memory area so that the address of the first memory area for storing the first message among the entire messages and the address of the first memory area for storing the second message of the entire message are not continuous, The address of the memory area can be distributed and set. This may be to increase security by storing messages in different memory areas. In addition, the server can allocate an address so that the memory area where the message is stored is randomly distributed.
The server may also store the message in a memory area corresponding to the address (1640). In one embodiment, the server may store the message in a memory area without encrypting it. In addition, the server may encrypt the message according to a predetermined rule and store the encrypted message in the memory area in order to increase security.
In addition, the server may overwrite a dummy string in the memory area where the message is stored (1650). When deleting a message stored in a memory area, a message deleted by a predetermined recovery method may be recoverable. However, when another character string is overwritten in the memory area, another character string is stored in the memory area, so that the message can not be recovered by the character string. Accordingly, the server can overwrite the dummy string at least once in the memory area where the message is stored, thereby making it impossible to recover the message, thereby guaranteeing the user's right to be forgotten.
The dummy string represents a character string representing a different meaning from a message stored in the memory area. The server may generate a dummy string by arbitrarily combining a plurality of characters, or may set a dummy string in advance. In this case, the server may generate special characters, profanity, confusing strings, banned words, and the like as restricted strings, and characters not including the restricted character string may be set as a dummy string.
Also, the server may receive a character string from at least one of the first user or the second user, and may generate the input character string as a dummy character string. At this time, the server may set the string received from the user as a dummy string, or may set a dummy string by dividing the inputted string by a predetermined size when the inputted string is equal to or smaller than a predetermined size, If it is larger than a predetermined size, a dummy character string may be set by repeating the inputted character string. In addition, the server can set a character string that does not contain a restriction string as a dummy string. If the input character string is not a restricted character string, a dummy character string may be set based on the input character string. If the input character string is a restricted character string, a dummy character string may be set based on the input character string. It may not be set. In this case, the server may receive a character string again from the user, or may set a dummy character string by arbitrarily combining a plurality of characters. As the dummy string is directly input from the user, it is possible to enhance the user's interest and to emphasize that the message in the chat room is deleted irrecoverably, thereby improving the user's reliability.
In one embodiment, the server may overwrite at least a portion of the dummy string in the memory area if the size of the memory area in which the message is stored is less than or equal to the size of the dummy string. In addition, the server may allocate the size of the memory area to be less than or equal to the size of the dummy character string, and overwrite at least a part of the dummy character string in the memory area. Thus, by overwriting a memory area below a predetermined size (i.e., below the size of a dummy string), the speed with which the server performs overwriting can be improved.
In addition, the server may repeatedly overwrite a dummy string in the memory area if the size of the memory area is larger than the size of the dummy string. By repeatedly overwriting the dummy string, the complexity of the server for performing the overwriting can be reduced.
The server also stores at least one of the identifier of the first user, the identifier of the second user, or the identifier of the chat room, as well as the message entered in the chat room, and the identifier of the first user, the identifier of the second user, At least one can overwrite the dummy string in the stored memory area. Accordingly, the identifier of the first user, the identifier of the second user, and the identifier of the chat room can also be deleted irrecoverably.
In one embodiment, the server may overwrite the dummy string in the memory area if the first user or the second user leaves the chat room. For example, in the chat room where the first user and the second user are entered, if the second user leaves the chat room during the conversation, the server may overwrite the dummy string in the memory area where the message entered by the second user is stored And may overwrite the dummy string in the memory area where the entire message entered in the chat room is stored. Here, the second user may be departed from the chat room according to the intention of the second user, or a predetermined time may elapse from the time when the second user enters the chat room, or may be deviated from the chat room by the first user's intention .
In another embodiment, the server may overwrite the dummy string in the memory area if the room is removed. For example, when the predetermined time has elapsed since the time when the chat room was created, or when a predetermined time elapsed from the time when at least one of the first user or the second user entered the chat room, the server removes the chat room, A dummy string can be overwritten in the memory area where the entire input message is stored. In another example, when receiving a cancellation message indicating a message for removing the chat room from at least one of the first user or the second user, the server may remove the chat room according to the cancellation message. For example, if a first user enters a cancellation message in a chat room, and then a second user enters an ack message for the cancellation message, the server may remove the chat room. At this time, as the chat room is removed, the server can overwrite the dummy character string in the memory area where the entire message entered in the chat room is stored.
In another embodiment, the server can maintain a chat room and overwrite a dummy string in a memory area where the message is stored even if the user has not left the chat room. For example, the server may overwrite a dummy string in a memory area where a message entered before a predetermined time in the chat room is stored. In addition, the server can specify a message to be deleted from the chat room among the entire messages, and can overwrite the dummy string in the stored memory area where the designated message is stored.
17 is a diagram for explaining the removal of a chat room according to an embodiment.
Referring to FIG. 17, the server may provide an
In addition, the server may provide an
18 is a diagram for explaining deletion of a specific message according to an embodiment.
Referring to FIG. 18, the chat service providing apparatus may provide a
19 is a diagram for explaining management of a message according to an embodiment.
Referring to FIG. 19, a server may include an identification code of a chat room, a first identifier of a specific user (e.g., a user's identifier), a second identifier of a specific user (e.g., And the message may be stored in table 1910. The server may store the contents stored in the table 1910 in a specific memory area. In addition, the server may overwrite the dummy string in the memory area where at least one of the contents stored in the table 1910 is stored. Accordingly, the contents stored in the table can be permanently deleted.
20 is a diagram for explaining overwriting of a dummy string according to an embodiment.
Referring to FIG. 20, the server may set a dummy string to "poptalk" according to a user's request or according to a predetermined rule. If the size of the memory area is less than or equal to the size of the dummy character string, as in the embodiment (2011), at least a part of the dummy character string may be overwritten in the memory area. Accordingly, the server can overwrite "poptal" in the dummy string "poptalk " in the memory area.
Also, as in the
Also, like the
FIG. 21 is a diagram for explaining the setting of a dummy character string according to an embodiment.
Referring to FIG. 21, like the
22 is a flowchart illustrating a method of providing a chat service of a terminal according to an embodiment of the present invention.
Referring to FIG. 22, the terminal may acquire a message provided to the chat room (2210). In one embodiment, the terminal may provide a chat service to a user using a program in which the chat service is implemented (e.g., a chat service application, a web browser capable of implementing the chat service). For example, the terminal may receive a message from a server or receive a message from a user.
In addition, the terminal may allocate an address of a memory area for storing a message among the entire memory (2220). Here, the memory area is for storing a message input by the first user and the second user in the chat room, and may indicate a memory area designated in the program in which the chat service is implemented. The memory area may represent a memory area where the entire message input to the chat room is stored, or may represent one block of the memory area where at least a part of the entire message input to the chat room is divided and stored.
In addition, the terminal may store the message in the memory area corresponding to the address (2230). The terminal may store the message in the memory area without encrypting it, encrypt the message according to a predetermined rule, and store the encrypted message in the memory area.
In addition, the terminal may forward the message to the memory area of the operating system (2240). Here, the operating system controls all the hardware and software of the terminal, serves as an interface between the terminal hardware and the application program, and can manage resources of the terminal. The program in which the chat service is implemented can be run under the control of the operating system. In addition, the operating system can control the display of the terminal. Accordingly, in order to display the message, the terminal can deliver the message to the memory area of the operating system.
Also, the terminal may display the message transferred to the memory area of the operating system (2250).
In addition, the terminal may overwrite the dummy string in the memory area of the operating system corresponding to the displayed message. For example, if a device other than the terminal hooks the memory area of the operating system, another device can acquire a message displayed on the terminal. To prevent hooking, the terminal may overwrite the dummy string in the memory area of the operating system. Also, the terminal may overwrite the dummy string in the memory area in which the message is stored in the memory area specified in the program in which the chat service is implemented.
With respect to the overwriting of the dummy string, the contents described in FIG. 16 through FIG. 21 may be applied as they are, so that a detailed description will be omitted.
23 is a diagram illustrating a memory of a terminal according to an embodiment.
23, the
24 is a block diagram illustrating a server and a terminal providing a chat service according to an embodiment.
Referring to FIG. 24, the
The chatting
In addition, the
In addition, the
The terminal 2450 may include a
The
In addition, the
The server and terminal illustrated in FIG. 24 can be applied to the contents described in FIG. 16 through FIG. 23 as they are, so that detailed description will be omitted.
The method according to an embodiment may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer-readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions to be recorded on the medium may be those specially designed and configured for the embodiments or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media 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. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the embodiments, and vice versa.
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 exemplary embodiments. For example, it is to be understood that the techniques described may be performed in a different order than the described methods, and / or that components of the described systems, structures, devices, circuits, Lt; / RTI > or equivalents, even if it is replaced or replaced.
Therefore, other implementations, other embodiments, and equivalents to the claims are also within the scope of the following claims.
Claims (16)
Creating a chat room at the request of the first user;
In response to the creation of the chat room, entering a second user other than the first user, wherein the first user or second user is one of a user subscribed to the chat service or a user not subscribed to the chat service Generating an invitation code of the chat room for making the chat room invite;
Notifying the first user of the invitation code of the chat room;
Receiving a character string from the first user and setting the character string as a password of the chat room;
Providing an interface for receiving the invitation code and the password to the second user; And
Entering the second user into the chat room when receiving the invitation code and the password through the interface
/ RTI >
How to provide chat service.
Wherein the step of generating the invitation code comprises:
Generate a second type of invitation code in which a first type of invitation code or a plurality of characters based on a string assigned to the first user is randomly combined according to a rating in the chat service of the first user Step
/ RTI >
How to provide chat service.
Setting a limitation string that is excluded from the character string assigned to the first user
≪ / RTI >
How to provide chat service.
Confirming a rating of the first user in the chat service; And
If the rank of the first user in the chat service is matched with a predetermined rank as a result of the checking, a step of previously designating a string including the content for the first user
Further comprising:
Wherein the step of generating the invitation code comprises:
Generating an invitation code of the first type based on a string containing the content of the first user
/ RTI >
How to provide chat service.
Wherein the information on the first user of the chat room, the presence of the chat room, and the invitation code are provided to the second user,
How to provide chat service.
Wherein the step of notifying the invitation code of the chat room to the first user comprises:
Notifying the invitation code in the chat room or notifying the invitation codes via an interface for notifying the invitation code
/ RTI >
How to provide chat service.
Receiving a message to be transmitted from the first user to another user outside the chat room; And
Excluding the information on the invitation code among the messages to be transmitted to the other user
≪ / RTI >
How to provide chat service.
Receiving a message for notifying another user from the first user outside the chat room; And
Excluding the information on the invitation code from the predetermined number or more of messages when the number of messages including information on the invitation code among the messages for informing the other users is equal to or greater than a predetermined number
≪ / RTI >
How to provide chat service.
In response to the generation of the invitation code, setting the state of the invitation code to an enabled state
Further comprising:
Wherein the step of entering the second user into the chatting room comprises:
Entering the second user into the chat room upon receipt of the invitation code and the password of the second user if the invitation code is in a usable state
/ RTI >
How to provide chat service.
In response to the removal of the chat room, setting the state of the invitation code to an unusable state
Further comprising:
Wherein the step of entering the second user into the chatting room comprises:
Blocking entry of the second user into the chat room upon input of the invitation code and password of the second user when the state of the invitation code is unavailable
/ RTI >
How to provide chat service.
Wherein the step of setting the state of the invitation code to the disabled state comprises:
If the predetermined condition is satisfied, setting the state of the invitation code to the usable state
/ RTI >
How to provide chat service.
Wherein setting the state of the invitation code to the usable state comprises:
Setting a state of the invitation code to the usable state when a predetermined time has elapsed at the time the chat room is removed;
/ RTI >
How to provide chat service.
Wherein setting the state of the invitation code to the usable state comprises:
Evaluating the value of the invitation code and calculating an evaluation score; And
Setting the state of the invitation code to the usable state when the evaluation score of the invitation code is a predetermined score or more;
/ RTI >
How to provide chat service.
The step of setting the restricted character string may include:
Setting the invitation code as the disabled state to the restricted character string
/ RTI >
How to provide chat service.
In response to the creation of the chat room, a second user other than the first user, wherein the second user is one of a user subscribed to the chat service or a user not subscribed to the chat service, An invitation code management unit for generating an invitation code of the chat room and notifying the invitee of the chat room to the first user; And
A password management unit that receives a character string from the first user and sets the character string to the password of the chat room,
Lt; / RTI >
The chat room management unit,
Providing an interface for receiving the invitation code and the password to the second user and entering the second user into the chat room when the invitation code and the password are input through the interface,
Chat service providing device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150168513A KR20170062836A (en) | 2015-11-30 | 2015-11-30 | Method for providing chatting service |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150168513A KR20170062836A (en) | 2015-11-30 | 2015-11-30 | Method for providing chatting service |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| KR20170062836A true KR20170062836A (en) | 2017-06-08 |
Family
ID=59221099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020150168513A KR20170062836A (en) | 2015-11-30 | 2015-11-30 | Method for providing chatting service |
Country Status (1)
| Country | Link |
|---|---|
| KR (1) | KR20170062836A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102000566B1 (en) * | 2018-10-02 | 2019-07-16 | 나재훈 | System, server and method for smart electronic commerce |
| KR20190135234A (en) * | 2018-05-28 | 2019-12-06 | 주식회사 오제이월드 | Messenger data processing system based on data block chain, and method thereof |
| KR20230047293A (en) * | 2021-09-30 | 2023-04-07 | 플링커 주식회사 | System for providing ontact interaction service using augmented reality and method for providing ontact interaction service using thereof |
| KR20230135204A (en) | 2022-03-15 | 2023-09-25 | 주식회사 스텔스솔루션 | System and method for processing secret messages posted in group chat rooms |
| GB2599825B (en) * | 2019-06-28 | 2024-02-07 | Nextiva Inc | Creating and sharing customizable chat spaces |
| US12095714B2 (en) | 2022-05-16 | 2024-09-17 | Kakao Corp. | Method and apparatus for messaging service |
-
2015
- 2015-11-30 KR KR1020150168513A patent/KR20170062836A/en active IP Right Grant
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20190135234A (en) * | 2018-05-28 | 2019-12-06 | 주식회사 오제이월드 | Messenger data processing system based on data block chain, and method thereof |
| KR102000566B1 (en) * | 2018-10-02 | 2019-07-16 | 나재훈 | System, server and method for smart electronic commerce |
| GB2599825B (en) * | 2019-06-28 | 2024-02-07 | Nextiva Inc | Creating and sharing customizable chat spaces |
| KR20230047293A (en) * | 2021-09-30 | 2023-04-07 | 플링커 주식회사 | System for providing ontact interaction service using augmented reality and method for providing ontact interaction service using thereof |
| KR20230135204A (en) | 2022-03-15 | 2023-09-25 | 주식회사 스텔스솔루션 | System and method for processing secret messages posted in group chat rooms |
| US12095714B2 (en) | 2022-05-16 | 2024-09-17 | Kakao Corp. | Method and apparatus for messaging service |
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