{HEAD ~ A method} in {TAIL ~ a computing device} for locking multiple feature instances in a single web feature service data transaction request from a client comprising: 
in
{ HEAD ~ A method } in { TAIL ~ a computing device } for locking multiple feature instances in a single web feature service data transaction request from a client comprising :
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH