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