A computer program product, tangibly stored on a machine readable medium, for enhancing a quality of data stored in {HEAD ~ a system}, the computer program product comprising {TAIL ~ instructions} for causing a processor to: 
A computer program product , tangibly stored on a machine readable medium , for enhancing a quality of data stored in { HEAD ~ a system } , the computer program product comprising { TAIL ~ instructions } for causing a processor to :
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 OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH