Patent ID: 8095566

Claim:
A method comprising: acquiring information, in a system using a controller of the system, about an item of media content from a plurality of sources, the information including artifacts about the item of media content such that at least one artifact is different from the media content itself and different from one or more media files in which the media content is formatted, each artifact being associated with a source from which the artifact is acquired, the source being one of the plurality of sources; storing the information in a storage medium; maintaining, in the storage medium, a source identification of each source with respect to the information acquired from the respective source and a source identification of each source with respect to a media file, containing the media content, acquired from the respective source, the source identification being an identification of the source at the time of acquiring the information or the media file that is preserved from acquiring the information or the media file, the source identification of each source, from which the media file containing the media content is acquired, categorized according to uniqueness and permanency with respect to the media file; assigning a confidence level to an artifact, having a source, based on two or more factors including a confidence level for the source of the artifact; and managing the media file using the confidence level.