Abstract: Provided is a method for managing messages on an instant messaging application, which is executed by one or more processors of a user terminal. The method may include receiving a new message from another user through a chat room of the instant messaging application, displaying the new message on a display of the user terminal, sending a waiting message to the another user through the chat room, and maintaining the new message as an unread message in response to the sending of the waiting message to the another user.

Abstract: A message keeping method performed by at least one processor of a device includes receiving a selection input of at least one first message from among a plurality of messages included in a first chatroom, adding, based on the selection input, the at least one first message to a kept message list to be displayed in the first chatroom, and sending, to a second chatroom and based on the selection input, a second message associated with the at least one first message and including original content of the at least one first message and a link addressed to the first chatroom. The second chatroom is dedicated to message keeping.

Abstract: A method of generating and displaying a chatroom message summary may include generating a message summary using at least one message included in a corresponding chatroom for each chatroom; and displaying the message summary through a different interface depending on a message read status of a user that requests entry into the chatroom.

Abstract: A content sharing method performed by a computer apparatus including processing circuitry, the method including providing, by the processing circuitry, an interface in response to a user input during a voice over Internet protocol (VoIP) call, a user of the computer apparatus participating in the VoIP call, generating, by the processing circuitry, metadata of a VoIP call packet in response to a share request for content specified through the interface, the metadata including data corresponding to the share request, sending, by the processing circuitry, the metadata to another user participating in the VoIP call, and displaying, by the processing circuitry, a playback screen of the content with a call screen of the VoIP call, the content being shared during the VoIP call between the computer apparatus and another computer apparatus of the other user using the metadata.

Abstract: A method for providing a navigation service based on user driving route is provided, which is executed by one or more processors of a user terminal, and includes, in response to a user input including a metadata search term, outputting one or more user driving routes associated with the metadata search term, in response to a user input of selecting a user driving route from among the one or more user driving routes, outputting information associated with the selected user driving route, and in response to a user input of starting driving guidance, outputting driving guidance information according to the selected user driving route.

Abstract: Disclosed herein are methods of providing an image storage service, computer-readable recording mediums, and/or computing devices. The method of providing the image storage service includes selecting image data in a first format, determining an initial compression parameter for converting the selected image data in the first format into a second format, obtaining primary image data in the second format by transcoding the selected image data in the first format based on the initial compression parameter, searching for a desired compression parameter based on whether image quality of the primary image data satisfies a criterion, obtaining final image data in the second format by transcoding the selected image data in the first format based on the desired compression parameter, and storing final image data in the second format in the memory.

Abstract: Disclosed is a method and system for transmitting and reproducing a video of a dynamic bitrate using a plurality of channels. A video transmission method may transferring frames of a video to N encoders using an interleaving scheme, N denoting a first natural number greater than or equal to 2, generating N video streams by encoding the frames using the N encoders, each of the N video streams corresponding to one of the N encoders, and transmitting each of the N video streams as an independent stream.

Abstract: A method for displaying a virtual space at various point-in-times is provided, which is performed by one or more processors and includes displaying a user's avatar on a current first virtual space, in response to receiving a first user input selecting a first graphical object associated with a movement between point-in-times, displaying a user interface including a plurality of point-in-time information associated with the first virtual space, receiving, from a user, a selection of a first point-in-time from among the plurality of point-in-time information, and playing back a first event associated with the first virtual space recorded at the first point-in-time.

Abstract: A method, a device, and a non-transitory computer-readable recording medium are provided for creating a chatbot scenario in consideration of a response rate. A chatbot scenario creation method may include obtaining chatbot sentence components and at least one chatbot sentence including the chatbot sentence components from a chatbot; predicting a response rate of a user for at least one chatbot sentence based on a predicted response rate preset for each of chatbot sentence components; and providing the predicted response rate of the user for the at least one chatbot sentence.

Abstract: A method for evaluating a content through an instant messaging application is provided. The method includes: sharing a screen of a user terminal associated with a first user account, through a chat room of the instant messaging application in which a plurality of user accounts including the first user account participate; selecting at least one content that is included in the shared screen; outputting the selected at least one content through the chat room; and receiving, through the chat room, an evaluation of the at least one content from at least one user account among the plurality of user accounts.

Abstract: Methods, computer devices, and non-transitory computer-readable record media for displaying a message thread on a chatroom cover screen may be provided. A chatroom cover display method may include receiving a message thread including messages exchanged through a chatroom in response to an access request for the chatroom, and displaying a cover screen of the chatroom in response to the access request and displaying the message thread on the cover screen.

Abstract: A method, apparatus, system, and non-transitory computer readable medium for controlling user access through content analysis of an application are disclosed. The method for controlling access may include understanding a public level according to honorific language use by analyzing chat contents for each chat partner registered in an application, by the at least one processor; and controlling user access to the application based on the public level for each chat partner, by the at least one processor.

Abstract: Disclosed is a hooking detection method and system that may specify position information of a function referenced by an executable module from an outside or provided to the outside or a unique value of an executable code, and may determine application programming interface (API) hooking based on a classification acquired by comparing unique values or by clustering the unique values.

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.