Abstract: A bot-based role-playing method performed by a computer device comprising at least one processor configured to execute computer-readable instructions in a memory, includes: receiving, by the at least one processor, a script for an openchat; and creating, by the at least one processor, at least one character bot for role-playing in the openchat by learning at least one character included in the script through an artificial intelligence (AI) language model.

Abstract: Disclosed are a method, a computer device, and a non-transitory computer-readable record medium to display activity time information of a chatroom. An activity time information display method may include receiving a user request for activity time information of a chatroom related to an instant messenger from a user of the computer device for the chatroom related to the instant messenger and displaying the activity time information of the chatroom on a chatroom-related screen of the chatroom in response to the user request.

Abstract: Disclosed are a method, a computer device, and a non-transitory computer-readable record medium for sharing content created in another chatroom. A content sharing method may include receiving content created based on a message in a chatroom of another openchat as content of the other openchat set in openchat; and providing the content of the other openchat through at least one page of the openchat.

Abstract: A method for creating avatar content includes receiving, from a user, a first user input selecting a first content including time-series actions of a first avatar and a second avatar, displaying a first user interface for selecting one of the first avatar and the second avatar in the first content, receiving, from the user through the first user interface, a second user input selecting the first avatar, and in response to the receiving the second user input, generating a user-customized content by adding, to the first content, a third avatar associated with the user that performs a same action as the selected first avatar.

Abstract: Disclosed are methods, systems, and non-transitory computer-readable record mediums for providing a chatroom in a three-dimensional (3D) form. A chatroom display method including recognizing a screen switch event for a chatroom displayed on the electronic device, switching a screen to display the chatroom in a form of a 3D space in response to the screen switch event, and representing a distance between a user of the electronic device and a chat partner included in the chatroom as depth information of the 3D space based on location information of the electronic device and location information of at least one chat partner may be provided.

Abstract: A method of generating a social platform service screen includes directing, by at least one processor of a computer device, the social platform service screen to land on one of a recommended feed tab and a following feed tab according to a situation associated with the social platform service screen at an entry request point in time, the recommended feed tab configured to display a personalization-based recommended post and the following feed tab configured to display relationship-based following posts contained within a following feed.

Abstract: Disclosed is a method, system, and non-transitory computer-readable record medium for providing a multi-model through federated learning using personalization. The method includes classifying users into a plurality of groups; and generating a prediction model for a service as a multi-model through federated learning for each of the plurality of groups.

Abstract: Provided is a method for assisting video content viewing, the method being performed by processing circuitry of a user terminal, and the method including displaying a playback screen of first video content on a display of the user terminal, the first video content being played on the playback screen, generating a graphic object configured to enable playback of similar content associated with a first playback time of the first video content, and displaying the graphic object on the display together with the playback screen of the first video content.

Abstract: A method for sharing content performed by at least one processor of a first user terminal includes initiating, through a first external device, a call between a first user account associated with the first user terminal and a second user account associated with a second user terminal included in a chat room of an instant messaging application, transmitting a co-view request associated with a content to share to the first external device, where the content to share is one of a plurality of contents shared within the chat room, and displaying the content to share with a call screen on a display of the first user terminal.

Abstract: Provided is a method for assisting video content viewing, the method being performed by processing circuitry of a user terminal, and the method including displaying a playback screen of first video content on a display of the user terminal, the first video content being played on the playback screen, generating a graphic object configured to enable playback of similar content associated with a first playback time of the first video content, and displaying the graphic object on the display together with the playback screen of the first video content.

Abstract: Provided is a method and system for providing an answer message to a query message. An answer message providing method may include managing a plurality of chatrooms of an instant messaging service; receiving a query message in a preset form from a first user of a first chatroom among the plurality of chatrooms; forwarding the query message to second users through the instant messaging service; receiving an answer message to the query message from at least one of the second users; and providing the received answer message to be displayed through the first chatroom.

Abstract: A method includes acquiring, from a memory, a log of a chat room including a user associated with a user terminal, analyzing the log of the chat room for predetermined criteria in at least one category, determining a number of incidents in the log of the chat room of the predetermined criteria in the at least one category, and when the number of incidents of the predetermined criteria in the at least one category exceeds a predetermined threshold for the at least one category, automatically recommending a chat room bot to the user.

Abstract: Payment methods and systems for processing a payment using a Central Bank Digital Currency (CBDC) without a double payment in an offline situation (e.g., in a situation in which a terminal of a user is unable to be connected) to a server through a network may be provided.

Abstract: Methods, devices, and non-transitory computer-readable recording mediums for browsing various sticker contents through swipe to preview may be provided. A sticker content browsing method performed by a computer device, which includes at least one processor configured to execute computer-readable instructions included in a memory, including providing a swipe-to-preview interface configured to enable a user to scroll sticker contents and displaying a subset of the sticker contents in response to a control instruction of the user input to the swipe-to-preview interface.

Abstract: Disclosed are methods, computer devices, and a non-transitory computer-readable recording mediums to differentially limit a message transmission in a messaging-based social network service. A message transmission limiting method may include calculating a participation score according to an activity related to a user in a chatroom, setting a speech time limit for the user based on the participation score, and limiting a message transmission of the user through the chatroom according to the speech time limit.

Abstract: Disclosed is a method, system, and non-transitory computer-readable record medium for creating a chatroom according to a condition. The chatroom creation method may include providing an instant messaging service; registering a chatroom creation condition related to a specific account of the instant messaging service; retrieving at least one account of accounts of the instant messaging service that meets the chatroom creation condition; and automatically creating a chatroom of the specific account joined by the retrieved accounts.

Abstract: A method, a system, and a non-transitory computer readable record medium for expressing an emotion in a conversation message using a gesture are provided. A message expression method may include: receiving a message that is entered in a message input area of a chatroom; obtaining animation information based on an input applied to the message in the message input area; modifying the message based on the animation information; and displaying the modified message in a chat view area of the chatroom in response to receiving a message send request.

Abstract: A file protection method of a computer apparatus including a processor, the method including extracting classes from an executable file of a package file, classifying the classes into class groups, adding a loading code to a first class group among the class groups, the loading code configured to cause sequential loading of the class groups to a memory in a random loading order in response to execution of the package file, adding an integrity code to a second class group among the class groups, the integrity code configured to verify an integrity of a corresponding class group among the class groups or a previous class group among the class groups, the previous class group including the loading code configured to cause the corresponding class group to load, and regenerating the package file using the class groups after the adding the loading code and the adding the integrity code.

Abstract: Payment methods and systems for processing a payment using a Central Bank Digital Currency (CBDC) without a double payment in an offline situation (e.g., in a situation in which a terminal of a user is unable to be connected) to a server through a network may be provided.

Abstract: Disclosed are methods and apparatuses for processing a notification using a notification preset. A notification processing method may include providing, by the at least one processor, a notification preset setting function for setting a notification preset, the notification preset including a preset condition and a preset result, creating, by the at least one processor, at least one notification preset instance through the notification preset setting function, monitoring, by the at least one processor, whether a condition meets one of the at least one notification preset instance, and dynamically changing, by the at least one processor, a notification setting of the computer apparatus from a first state to a second state in response to a result of the monitoring indicating that the condition meets a first notification preset instance, from among the at least one notification preset instance.