The automatic generator includes a specification tool for specifying a set of {HEAD ~ block descriptions representative} of {TAIL ~ specified portions} of a database 
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The automatic generator includes a specification tool for specifying a set of { HEAD ~ block descriptions representative } of { TAIL ~ specified portions } of a database
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH