Patent ID: 8438197

Claim:
An information processing system comprising an incidental content server and a terminal communicating with each other via a network, the incidental content server including: incidental content information storage means for storing incidental content information, the incidental content information comprising at least one incidental content able to be played in a primary usage mode and direct usage content information indicating at least one direct usage content able to be played in the primary usage mode and able to be used, in a secondary usage mode, in production of incidental content; the terminal including: edit processing means for performing an edit process by using, in the secondary usage mode, at least one content locally present on the terminal, the at least one content comprising a first direct usage content and/or a first incidental content produced based at least in part on the direct usage content; incidental content information generating means for generating a new incidental content based on a result of editing by the edit process of the edit processing means, the new incidental content referencing, for playback of the new incidental content, at least a portion of the at least one content locally present on the terminal, the new incidental content being associated with source information identifying the at least one content locally present on the terminal; content information upload control means for causing the terminal to transmit the new incidental content to the incidental content server via the network to store the new incidental content on the incidental content information storage means; and generation search means for searching a parent-child relation of a selected incidental content to identify the direct usage content indirectly used in producing the selected incidental content, the generation searching means searching source information of at least one source incidental content to a predetermined, the at least one source incidental content comprising incidental content directly or indirectly used in producing the selected incidental content.