Patent ID: 7777121

Claim:
An information processing apparatus which performs a process for generating a playlist that defines a reproduction sequence of contents comprising: a model information holding part configured to store therein a plurality of probability models each corresponding to a time series pattern of content feature volumes, the content feature volume being feature information about a content; a content feature extracting part configured to acquire a content feature volume corresponding to each of a plurality of contents to be reproduced; a playlist generating part configured to compare a time series pattern of the content feature volumes extracted in the content feature extracting part corresponding to each of a plurality of permutation patterns of a reproduction sequence of contents to be reproduced with a probability model held in the model information holding part, and generates a playlist in which a reproduction sequence of contents is set in accordance with a time series pattern of content feature volumes most analogous to the probability model; a content reproducing part configured to generate and store content reproduction history information in a content reproduction history information holding part and reproduce contents in accordance with the playlist generated in the playlist generating part; and a model adapting part configured to perform a probability model update process in which the model adapting part generates a time series of content feature volumes corresponding to a reproduction history matched with content reproduction history information stored in the content reproduction history information holding part and adapts a parameter included in the generated time series of content feature volumes corresponding to the reproduction history to a probability model held in the model information holding part, whereby the model adapting part approximates the probability model to the time series of content feature volumes corresponding to the reproduction history.