Abstract: A connection service providing method includes outputting, by a first user terminal from among a plurality of user terminals, a connection request signal to at least one second user terminal among the plurality of user terminals through an inaudible frequency range based on a trigger signal for initiating a connection between the plurality of user terminals; and connecting the at least one second user terminal and the first user terminal as a group; and providing a connection service associated with the group on the first user terminal.

Abstract: A method and system for recommending content using a chatbot are provided. The content recommendation method includes calling a chatbot to a chatroom based on a first user interaction with the chatroom; providing first content corresponding to a second user interaction with the chatroom while the chatbot is in the chatroom; and recommending second content related to the first content.

Abstract: A non-transitory computer-readable recording medium having recorded thereon a computer program, which when executed by a computer, configures the computer to perform a message providing method may be provided. The method may include receiving message data including a message and metadata from a server, determining whether at least one keyword is included in the message, and updating chat room data of a reception chat room to include reception information of the message including the keyword based on results of the determining and the metadata, and displaying a chat room list based on the chat room data, the chat room list including (1) reception chat rooms having the message with the at least one keyword together with (2) inclusion information corresponding thereto, which indicates inclusion of the at least one keyword in the message.

Abstract: A display control method is provided on a terminal of a user belonging to a group to transmit and receive a content with a terminal of another user belonging to the group via an information processing apparatus. The display control method includes displaying on a screen, in response to receiving from the user a selection of a part of users belonging to the group, a content having the part of the users as a sender in a displaying aspect different from a displaying aspect of other contents; transmitting to the information processing apparatus, in response to receiving a command from the user, a request for activating an individual process of individually transmitting and receiving the content with a terminal of the part of the users; and executing the individual process in response to receiving a response indicating that the individual process has been activated.

Abstract: An information processing method, and a terminal and a computer-readable storage medium for processing information are provided. The information processing method includes: acquiring measurement data obtained by measuring a product area contained in a captured image; and notifying, a user of the terminal, of second information of at least one first product that is selected, based on the measurement data, from first information of a plurality of products stored in a storage device.

Abstract: A method of operating a computer system including at least one processor configured to execute computer-readable instructions included in a memory includes analyzing, by the processor, an interest of a user based on information related to the user; selecting, by the processor, at least one transportation method, from among a first plurality of transportation methods, as an information display method, the selected at last one transportation method being a transportation method that is expected to pass the user, the selecting being based on a location of the user and a location of each transportation method from among the first plurality of transportation methods; and providing information data corresponding to the interest through an external digital display of the selected at least one transportation method.

Abstract: Methods and systems for a keyword search using a messenger service may be provided. A keyword search method may provide a search result to users based on instant messages transmitted and received through a messenger service.

Abstract: A non-transitory computer-readable recording medium having recorded thereon a computer program, which when executed by a computer, configures the computer to perform a message providing method may be provided. The method may include receiving message data including a message and metadata from a server, determining whether at least one keyword is included in the message, and updating chat room data of a reception chat room to include reception information of the message including the keyword based on results of the determining and the metadata, and displaying a chat room list based on the chat room data, the chat room list including (1) reception chat rooms having the message with the at least one keyword together with (2) inclusion information corresponding thereto, which indicates inclusion of the at least one keyword in the message.

Abstract: Disclosed is a computer-implemented navigation method including transmitting, to a counterpart terminal, current location-based video data that is input to a video call screen of a terminal during a video call; receiving instruction information for a navigation based on the video data from the counterpart terminal that displays the video data on a video call screen of the counterpart terminal; generating navigation information by mapping the instruction information to the video data of the terminal; and providing the navigation information based on location information of the terminal.

Abstract: An information processing method performed by a server includes receiving a request to initiate communication over an instant messaging system based on a connected voice call of a terminal, the request including a telephone number of the terminal, determining whether a particular user identifier of a user of the terminal is stored in a memory of the server based on the telephone number, the memory of the server storing one or more user identifiers in association with one or more telephone numbers, the one or more user identifiers being associated with the instant messaging system, and sending a message to the terminal based on the particular user identifier in response to determining the particular user identifier is stored in the memory.

Abstract: Provided are a method, a system, and a non-transitory computer readable record medium for enhancing a video quality of a video call. A video call method may enhance and thereby forward a picture quality of a main object or a main portion in a video and thereby enhance a picture quality of experience of a recipient of a video call.

Abstract: Provided are a method, a system, and a non-transitory computer readable record medium for video quality control. A quality control method may include: receiving a video stream including frames classified into a plurality of frame types based on a reference relationship between the frames for decoding; selecting a frame type among the plurality of frame types; and controlling a quality of the video stream by multiplexing the frames included in the video stream and by outputting one or more of the frames that have the selected frame type.

Abstract: A communication control method is for performing a process executed by a computer including a processor. The process includes storing, in a storage device of an information processing apparatus, a correspondence relationship of a first user, a second user associated with the first user, and a third user associated with the second user; receiving, at the information processing apparatus, a message from the first user to the third user, from a terminal of the first user; and sending, by the information processing apparatus, the message received from the terminal of the first user as a message from the second user, to a terminal of the third user.

Abstract: Methods and systems for a keyword search using a messenger service provide a search result to users based on instant messages transmitted and received through a messenger service.

Abstract: Disclosed are a system, method, device, and/or non-transitory computer readable medium for providing an instant messaging service implemented with a computer. The method includes receiving a request on establishing a conversation interface with an official account registered at the instant messaging service from a client, providing a rich menu user interface associated with the official account on a portion of the conversation interface when the client establishes the conversation interface in response to the request, receiving a selection on a display item included in the rich menu from the client, identifying content associated with the selected display item by a manager of the official account, and providing the identified content to the client through the conversation interface.

Abstract: According to at least some example embodiments, a computer-readable medium stores computer-executable program instructions that, when executed by a processor, cause the processor to perform operations including, obtaining plane information of a plane by using first distances from a terminal to a plurality of points on the plane; obtaining a normal vector of the plane by using direction information of the terminal measured by a direction sensor and the plane information; determining, based on the normal vector, a parameter of an object to be displayed on the plane; and displaying, on a display of the terminal, the object according to the determined parameter.

Abstract: An information providing system and apparatus, and method and non-transitory computer readable medium for providing location information using an image through a communication session may include connecting, at an electronic device, to a communication session with at least one another electronic device over a network receiving, at the electronic device, an image including location information from the other electronic device through the communication session, displaying, at the electronic device, the received image or information about the received image on a screen of the electronic device, providing, at the electronic device, a user interface for providing a link service associated with the image displayed on the screen or the information displayed on the screen, and providing, at the electronic device, a link service selected through the user interface based on the location information included in the image.

Abstract: A display control method is provided on a terminal of a user belonging to a group to transmit and receive a content with a terminal of another user belonging to the group via an information processing apparatus. The display control method includes displaying on a screen, in response to receiving from the user a selection of a part of users belonging to the group, a content having the part of the users as a sender in a displaying aspect different from a displaying aspect of other contents; transmitting to the information processing apparatus, in response to receiving a command from the user, a request for activating an individual process of individually transmitting and receiving the content with a terminal of the part of the users; and executing the individual process in response to receiving a response indicating that the individual process has been activated.

Abstract: Provided are a method, a system, and a non-transitory computer readable record medium for video quality control. A quality control method may include: receiving a video stream including frames classified into a plurality of frame types based on a reference relationship between the frames for decoding; selecting a frame type among the plurality of frame types; and controlling a quality of the video stream by multiplexing the frames included in the video stream and by outputting one or more of the frames that have the selected frame type.

Abstract: A moving image control method for controlling display of a moving image on a foldable display device is provided. The moving image control method includes: acquiring moving image position information indicating a position in a display region at which the moving image is displayed; acquiring fold state information indicating a fold state of the foldable display device; and controlling whether the moving image is stopped or reproduced in the display region based on the moving image position information and the fold state information.