The tangible computer readable storage medium 1, wherein {HEAD ~ the information} that identifies the namespace is shared between {TAIL ~ multiple namespaces} 
is shared between
The tangible computer readable storage medium 1 , wherein { HEAD ~ the information } that identifies the namespace is shared between { TAIL ~ multiple namespaces }
OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL