In one embodiment, the digital video recorder includes {HEAD ~ a feature detector} configured to derive {TAIL ~ a set} of features from content within a television commercial 
configured to derive
In one embodiment , the digital video recorder includes { HEAD ~ a feature detector } configured to derive { TAIL ~ a set } of features from content within a television commercial
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH