A comprehensive degree of relevance of other moving picture contents with respect to a moving-picture content to be processed is calculated by using any one of or all of content information, frame information, and image characteristics, to display a virtual space in which a visualized content corresponding to a moving picture content to be displayed, which is selected based on the degree of relevance, is located at a position away from a layout position of the visualized content corresponding to the moving picture content to be processed, according to the degree of relevance.