To determine files associated with one or more workflows, {HEAD ~ a trace} of {TAIL ~ accesses} of files in at least one server is received 
of
To determine files associated with one or more workflows , { HEAD ~ a trace } of { TAIL ~ accesses } of files in at least one server is received
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH