Information processing device, information processing method and program therefor

摘要

An information processing device and method enable swift extraction of a user's preference. The relevant item evaluation value of the preference is increased based on characteristic information about a moving image content whose replay has been directed, based on characteristic information about a still image content whose replay has been directed, based on characteristic information about a sound content whose replay has been directed, based on information about an executed game content, and based on information about a used network content. The relevant item evaluation value of the preference is decreased based on characteristic information about a deleted content. The invention is applicable to video recorders.