Sony Corporation

Sony Corportion

Masaaki Koyanagi

Takayuki Sakamoto

Masaaki Isozaki

Katsu Saito

Wataru Onogi

A content recommendation system includes: a client terminal operated by a user; and a content recommendation server that recommends content to the terminal through a network and includes a preference discrimination information storage section accumulating and storing preference discrimination information in which information related to evaluation of content input to the terminal by a user and identification information of the user are associated with each other, a content feature information storage section storing content feature information in which data indicating features of content are associated with identification information of content, a preference information creation section creating preference information of each user by integrating evaluation for content with the feature of the content for each user based on the preference discrimination information and the content feature information, and a recommended content list providing section transmitting a list of recommended content, extracted by evaluating the degree of similarity of features with the preference information based on the content feature information, to the terminal.

Content recommendation system, content recommendation device, and content recommendation method

A server device is provided, which includes a reception unit receiving device identification information of a client device and user identification information of a user of the client device from the client device; a device determination unit determining whether or not it is possible to grant the user authorization to use a service on the basis of the device identification information; a user determination unit determining whether or not it is possible to grant the user the authorization to use on the basis of the user identification information; and a transmission unit transmitting information on the authorizable services of the services, for which it is determined that it is possible to grant the user the authorization to use on the basis of the device identification information and the user identification information, to the client device.

Growing community of inventors

Tokyo, Japan

Masaaki Koyanagi