The disclosed embodiments are directed to {HEAD ~ long transaction locking} of {TAIL ~ feature instances} in a web feature service 
of
The disclosed embodiments are directed to { HEAD ~ long transaction locking } of { TAIL ~ feature instances } in a web feature service
OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH