14. The method of claim 13 wherein the object is a video and the sub-objects are scenes within the video and the classification indicates whether a scene is a commercial.
14. The method of claim 13 wherein the object is a video and the sub-objects are scenes within the video and the classification indicates whether a scene is a commercial. 15. The method of claim 14 wherein the relationship between scenes is based on time between scenes and initial classification of the scenes.