Abstract: A refrigerator of the embodiment includes a cabinet in which a storage chamber is formed; a door that is connected to the cabinet and opens and closes the storage chamber; and a door opening apparatus that is provided in the cabinet and opens the door, wherein the door opening apparatus includes: a push member that contacts a rear surface of the door and pushes the rear surface of the door by a rotation operation and a driver that is connected to the push member and generates power for moving the push member.

Abstract: The embodiment proposes a refrigerator. A refrigerator of the embodiment includes a cabinet in which a storage chamber is formed; a door that is connected to the cabinet and opens and closes the storage chamber; and a door opening apparatus that is provided in the cabinet and opens the doors, wherein the door opening apparatus includes: a push member that contacts the rear surface of the door and pushes the rear surface of the door by a rotation operation and a driver that is connected to the push member and generates power for moving the push member.

Abstract: The present invention relates to a content recommendation method in which pieces of information collected over an IP Multimedia Subsystem (IMS) network are analyzed through data mining, a semantic pattern is identified from the information and described based on ontology, the characteristics of content to be offered are recorded in ontology and language morphological pattern, and a recommendation filter in terms of various viewpoints and methods is operated in an integrated recommendation framework, thus enabling content recommendation suitable for various contexts to be performed.