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 superficially similar instances of {TAIL ~ communications content} 
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 superficially similar instances of { TAIL ~ 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 OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL