In one or more implementations, {TAIL ~ data} is examined that describes interactions via a network with content via {HEAD ~ a domain name} 
In one or more implementations , { TAIL ~ data } is examined that describes interactions via a network with content via { HEAD ~ a domain name }
OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD