{HEAD ~ A representative value} for {TAIL ~ the set} of one or more tags may then be determined utilizing, for example, a hashing operation or a compression function 
for
{ HEAD ~ A representative value } for { TAIL ~ the set } of one or more tags may then be determined utilizing , for example , a hashing operation or a compression function
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH