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