The type or types of event data analyzed by the matching service 62 may vary widely depending upon the nature and {HEAD ~ purpose} of {TAIL ~ the particular system} 30 
of
The type or types of event data analyzed by the matching service 62 may vary widely depending upon the nature and { HEAD ~ purpose } of { TAIL ~ the particular system } 30
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 REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH