In another embodiment {HEAD ~ the retrieval process} occurs via a computer network such as {TAIL ~ the Internet} 
In another embodiment { HEAD ~ the retrieval process } occurs via a computer network such as { TAIL ~ the Internet }
OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL