In one embodiment, communication content is processed to increase the similarity of {TAIL ~ superficially dissimilar instances} of communication content and to increase the distinctiveness of {HEAD ~ superficially similar instances} of communications content 
In one embodiment , communication content is processed to increase the similarity of { TAIL ~ superficially dissimilar instances } of communication content and to increase the distinctiveness of { HEAD ~ superficially similar instances } of communications content
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH