Abstract: A method, a computer device, and a non-transitory computer-readable recording medium are provided to select and display a message in a messaging-based social network service. A message selection and display method includes displaying, in a chatroom, main messages selected from among unread messages in the chatroom at a time of entry into the chatroom; and displaying, in the chatroom, at least one additional message among previous unread messages and subsequent unread messages of a specific message based on the specific message selected from among the main messages.

Abstract: A method, system, and non-transitory computer-readable record medium for providing a reward through a reward account connected to a player. A reward providing method includes connecting, by processing circuitry, a plurality of reward accounts registered by a user on a player, the player being installed on an electronic device, determining, by the processing circuitry, an analysis result based on content playback information, the content playback information corresponding to content output through the player, and providing, by the processing circuitry, a reward through a first reward account among the plurality of reward accounts based on the analysis result, the reward corresponding to the content output through the player.

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: Disclosed is a method, apparatus, and non-transitory computer-readable record medium for providing additional information on content. An additional information providing method includes recognizing, by processing circuitry, a plurality of persons in a frame of a video during playback of the video, determining, by the processing circuitry, a user likeability of the plurality of persons, recognizing, by the processing circuitry, an object associated with a specific person among the plurality of persons based on the user likeability, the object being in the frame, and generating, by the processing circuitry, a screen containing additional information corresponding to the object.

Abstract: Methods, systems, and non-transitory computer-readable record media for managing event messages may be provided. A message management method may include generating, by at least one processor, an event related to a chatroom based on an event message input from the chatroom, assigning, by the at least one processor, a reply to the event message, from among messages in the chatroom, to the event, and displaying, by the at least one processor, the reply to the event message in association with the event.

Abstract: A method, a system, and a non-transitory computer-readable record medium are provided to display content of interest. A content display method may include analyzing a user interest based on a user activity on an application; generating a customized content in response to receiving from a server, information that matches the user interest; and displaying the customized content through an interface related to a specific event when the specific event occurs on the application.

Abstract: A noise cancellation method including generating a first voice signal by canceling a first portion of noise included in an input voice signal using a first network, the first network being a trained u-net structure, and the first portion of the noise being in a time domain, applying a first window to the first voice signal, performing a fast Fourier transform on the first windowed voice signal to acquire a magnitude signal and a phase signal, acquiring a mask using a second network based on the magnitude signal, the second network being another trained u-net structure, applying the mask to the magnitude signal, generating a second voice signal by canceling a second portion of the noise by performing an inverse fast Fourier transform on the first windowed voice signal based on the masked magnitude signal and the phase signal, and applying a second window to the second voice signal.

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 method, system, and non-transitory computer-readable record medium for filtering chatroom messages. The message processing method includes setting at least one filter condition related to a chatroom for at least one chatroom on a messenger; and displaying a message corresponding to the filter condition among messages included in the chatroom.

Abstract: Disclosed are methods and systems for controlling audio using an asymmetric channel of an audio conference. An audio control method may include establishing, by a processor included in a computer apparatus, a bi-directional media session having an asymmetric channel structure between a first participant among a plurality of participants participating in an audio conference and a mixer, receiving, by the processor, first audio data from the first participant through a media session of a first channel structure in the bi-directional media session, mixing, by the processor, second audio data of at least two participants excluding the first participant from among the plurality of participants, using a multichannel, and transferring, by the processor, the mixed audio data of the at least two participants mixed using the multichannel to the first participant through a media session of a second channel structure in the bi-directional media session.

Abstract: A method is provided. The method includes based on an online meeting ending, receiving, by a user terminal, a link for creating a meeting note for the online meeting from an external device; based on a first user input of selecting the link for creating the meeting note, displaying a user interface for creating the meeting note on a display of the user terminal; receiving at least one second user input within the user interface for creating the meeting note; and transmitting information associated with the at least one second user input to the external device to control the external device to share the meeting note created based on the at least one second user input with at least one participant of the online meeting.

Abstract: Disclosed is a reaction display method performed by a computer apparatus including processing circuitry, the reaction display method including displaying, by the processing circuitry, a content sharing screen with a voice over Internet protocol (VoIP) call screen during a VoIP call, the content sharing screen including shared media content, and a user of the computer apparatus participating in the VoIP call, receiving, by the processing circuitry, a position at which a reaction is input from the user during the VoIP call, sending reaction information and the position to at least one other user participating in the VoIP call, the reaction information corresponding to the reaction, and displaying an indication of the reaction on the VoIP call screen or the content sharing screen based on the position.

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, a system, and a non-transitory computer-readable record medium for providing a communication using a video call bot are disclosed. A video call method implemented by a computer apparatus, may include: in response to a request for inviting a chat bot to a video call in which a plurality of users comprising a user of the computer apparatus participate, displaying the chat bot on a display screen for the video call; transmitting, to a server, a command line that is associated with the chat bot and is extracted from an a voice input that is input to the computer apparatus during the video call; and in response to the command line, outputting a response to the command line through the chat bot that participates in the video call.

Abstract: Disclosed is a method and system for providing a mini-map in a chatroom. A mini-map providing method including displaying a first portion in a sequence of contents included in instant messages sent and received through a session corresponding to a chatroom on a message display region of a screen for displaying the chatroom, displaying a second portion that includes the first portion in the sequence of contents on a mini-map display region on the screen for displaying the chatroom, and interacting with the message display region and the mini-map display region may be provided.

Abstract: Disclosed are a method, a computer device, and a non-transitory computer-readable recording medium to display message information on a map. A message information display method includes displaying a specific area included in a map screen and associated with meta information of a chatroom on the map screen and displaying message information of the chatroom that includes the specific area as the meta information on the map screen.

Abstract: A method for providing a location based avatar messenger service includes transmitting, by a user terminal, location information of the user terminal to an external system; receiving, by the user terminal, information on users located in a vicinity of the user terminal from the external system; obtaining, by an image sensor of the user terminal, at least one image; and displaying, on a display of the user terminal, the at least one image and a first set of avatars associated with the users located in the vicinity such that the first set of avatars is superimposed on the at least one image, the first set of avatars including one or more avatars, the one or more avatars corresponding, respectively, to one or more users from among the users located in the vicinity.

Abstract: A method, a computer device, and a non-transitory computer-readable recording medium are provided to display a grouped image message. An image message display method may include displaying a plurality of grouped images sent and received as an image message in a chatroom as a single message unit; and switching a view mode of the image message in the chatroom in response to a user request.