Abstract: An apparatus for training a deep learning model for classifying emotions from biosignals includes: a memory configured to store a program for training the deep learning model; and a processor configured to train the deep learning model by executing the program, wherein, when the processor executes the program, the processor inputs an input matrix to an attention layer constituting the deep learning model, the input matrix being composed of a plurality of features each mapped to a plurality of channels and a plurality of feature groups as the biosignals are acquired from a plurality of channels and the biosignals acquired from each channel are divided into the plurality of feature groups, and the attention layer operates to mask the input matrix using an attention matrix in which an importance of features in each channel is reflected.

Abstract: A computing device inputs a sample generated from an electrocardiogram signal to a heartbeat classification model, generates a feature map from the sample through multiple first layers of the heartbeat classification model, generates an attention mask based on an assistant feature generated from the feature map and the sample, generates a masked feature map by masking the feature map with the attention mask; and performs classification of the sample from the masked feature map through a second layer of the heartbeat classification model.

Abstract: Provided is an apparatus for managing zone presence, which manages presence information of a zone including a plurality of wireless access points, including: a presence managing unit receiving a subscription request from an application server and determining whether user terminal access information received from at least any one among the plurality of wireless access points corresponds to the subscription request; and an API processing unit providing the presence information to the application server when the user terminal access information corresponds to the subscription request.

Abstract: Provided is an apparatus for managing zone presence, which manages presence information of a zone including a plurality of wireless access points, including: a presence managing unit receiving a subscription request from an application server and determining whether user terminal access information received from at least any one among the plurality of wireless access points corresponds to the subscription request; and an API processing unit providing the presence information to the application server when the user terminal access information corresponds to the subscription request.

Abstract: A Represental State Transfer (REST) based account management system and method is provided. The REST based account management system includes an open type service application server configured to provide an interface with respect to a client that uses a RESTful web service, manage an access right of the client and call an account management open type interface from an open type service gateway, the open type service gateway configured to provide the open type service application server with account management resources through a RESTful web service, and a billing server configured to charge the RESTful web service while interoperating with the open type service gateway.

Abstract: Provided is a method of providing a Credit Card Calling (CCC) service in a Customized Applications for Mobile networks Enhanced Logic (CAMEL)-based Universal Mobile Telecommunications System (UMTS). The method defines a method of controlling the CCC service that has not yet been defined in the existing UMTS CAMEL structure. Accordingly, it is possible to provide CCC service users with more differentiated, various features of the CCC service.

Abstract: Provided is a method of providing a Credit Card Calling (CCC) service in a Customized Applications for Mobile networks Enhanced Logic (CAMEL)-based Universal Mobile Telecommunications System (UMTS). The method defines a method of controlling the CCC service that has not yet been defined in the existing UMTS CAMEL structure. Accordingly, it is possible to provide CCC service users with more differentiated, various features of the CCC service.