Patent ID: 8782806

Claim:
A content usage managing apparatus, comprising: a memory unit which stores a first relation between a POP and one or more contents included in the POP and a second relation between two or more POPs linked via a content in a package (content group) which includes the two or more POPs; wherein each POP of the two or more POPs is a content subgroup; a selection unit which randomly selects a first content out of contents included in a randomly selected first POP of the package; a specifying unit which specifies a first webpage including the first content; and an examination unit which examines whether the first POP and one or more contents included in the first POP satisfy the first relation and examines whether the first POP and a second POP linked to the first POP via a second content satisfy the second relation, wherein to examine whether the first relation is satisfied the examination unit obtains information of the first POP and identification information of the contents included in the first POP and examines whether identification information for all of the contents included in the first POP is included in a predetermined webpage of the first webpage or one or more web pages linked to the first webpage, and wherein to examine whether the second relation is satisfied the examination unit obtains information of the first POP and the second POP and examines whether identification information of the second content is included in the first webpage, a second webpage to be displayed along with the first webpage, or a third webpage capable of being transferred with the first webpage.