{HEAD ~ The apparatus} 17, wherein {TAIL ~ the program code} is configured to identify a set of values that potentially satisfy the query by: 
wherein
{ HEAD ~ The apparatus } 17 , wherein { TAIL ~ the program code } is configured to identify a set of values that potentially satisfy the query by :
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH