Samsung Electronics Co., Ltd.

Won-dong Yun

Min-ho Lee

Cheol-ju Hwang

Jeong-rok Jang

Yun-ju Choe

Sung-Hwan Choi

Soo-hong Park

Sang-wook Cho

Soo-Hong Park

Young-keun Kim

Han-Sung Kim

A method of and apparatus for constructing a user profile using a content tag, a method of recommending digital content by using a user profile including a tag included in the digital content and a preference value for the tag. According to the methods and apparatus, a user profile is generated by using a content tag, and thus the taste of the user according to digital content consumption can be expressed in more varied ways. Also, by suggesting a method of generating a tag from web content, construction of a user profile for digital content having no tag is enabled. Furthermore, a tag extracted from digital content used by a user is included in a profile and it can be used for a variety of purposes, such as expansion of a comparison scope, use of preference keywords, providing of content links, and expansion of search scope.

Method and apparatus for constructing user profile using content tag, and method for content recommendation using the constructed user profile

A quality of service (QoS) securing apparatus and method using a communication protocol is provided. The QoS securing method is performed by a reception side that is receiving data from a transmission side. The method includes generating information about a changed communication environment according to a change in a communication environment of the reception side, and transmitting the information to the transmission side. An exchange of information about a communication environment using the communication protocol between the reception side and the transmission side can inform the transmission side about resources of the reception side, link characteristics, characteristics of a link on a transmission path, etc., thereby securing a QoS of data communication between the reception side and the transmission side.

Quality of service securing method and apparatus

Growing community of inventors

Namyangju-si, South Korea

Won-dong Yun