Abstract: Disclosed is technique for a user context detection and interaction with a messaging service based on a user context in a messaging service environment. An interaction method of a mobile device may include acquiring information associated with a context of at least one of a mobile device and a user of the mobile device under control of an application installed and executed on the mobile device in association with a messaging service, determining a context of the user based on the acquired information, verifying a function to be provided to the user through the messaging service based on the determined context of the user, dynamically determining a configuration of a user interface based on the determined context of the user, and providing the function through the user interface of which the configuration is dynamically determined.

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: 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.

Abstract: Methods, systems, and non-transitory computer-readable record mediums for providing a fiction through a messenger may be provided. A fiction providing method including receiving content and an output time interval associated with the content from a content provider terminal, storing the content and the output time interval, registering a fiction that comprises the content, and providing the content to a first user terminal to replay the content included in the fiction at the output time interval based on a first user setting associated with a first user account through a chatroom in which the first user account and a bot account related to the fiction participate on a messenger installed on the first user terminal may be provided.

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, 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: Disclosed is a method and apparatus for noise reduction of a full-band signal. A noise reduction method includes down-sampling a first signal of a first band to obtain a first signal of a second band, the first signal of the first band being an input speech signal including noise, and the second band being a lower portion of the first band, removing noise from the first signal of the second band to obtain a second signal of the second band, estimating band-by-band energy of a third band based on the second signal of the second band to obtain estimated band-by-band energy, the third band being a portion of the first band remaining after excluding the second band, and generating a signal from which noise of the third band is removed based on the estimated band-by-band energy.

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: 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 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: A method for providing a graphic object based on a display mode, may include receiving the graphic object, displaying the graphic object on a display of the user terminal, detecting a change of the display mode of the user terminal from a first display mode to a second display mode, and in response to detecting the change of the display mode of the user terminal from the first display mode to the second display mode, changing a color of at least a portion of the graphic object.

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: 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: Disclosed is a method, computer device, and non-transitory computer-readable record medium for managing content of a user account. A content management method including analyzing a use pattern for each account for a plurality of accounts used by a user, determining whether a user activity using a first account among the plurality of accounts corresponds to a use pattern of the first account, and providing a notification for the user activity when the user activity does not correspond to the use pattern of the first account may be provided.

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 location providing method implemented by a server comprising extracting text from an image received through an application executed on a first client, extracting matched location information corresponding to the image based on the text, and providing the matched location information and the image to one or more clients through the application.

Abstract: Disclosed is a method, system, and non-transitory computer-readable record medium for providing a plurality of group calls in a single chatroom. A group call providing method including receiving, by the at least one processor, information about a plurality of group call channels generated in response to a first request from at least one member included in a chatroom, from a server, providing, by the at least one processor, a group call channel list about the plurality of group call channels through the chatroom based on the information about the plurality of group call channels, and starting, by the at least one processor, a group call through a specific group call channel, from among the plurality of group call channels, in response to receiving a second request for joining the specific group call channel through the group call channel list may be provided.

Abstract: Disclosed is technique for a user context detection and interaction with a messaging service based on a user context in a messaging service environment. An interaction method of a mobile device may include acquiring information associated with a context of at least one of a mobile device and a user of the mobile device under control of an application installed and executed on the mobile device in association with a messaging service, determining a context of the user based on the acquired information, verifying a function to be provided to the user through the messaging service based on the determined context of the user, dynamically determining a configuration of a user interface based on the determined context of the user, and providing the function through the user interface of which the configuration is dynamically determined.