The approach can further form {TAIL ~ an overall rating} of the media by aggregating {HEAD ~ the ratings} of set of event types within the media 
The approach can further form { TAIL ~ an overall rating } of the media by aggregating { HEAD ~ the ratings } of set of event types within the media
OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH