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