In some implementations, a plurality of {HEAD ~ computing resources} available within {TAIL ~ a computing environment} are identified 
available within
In some implementations , a plurality of { HEAD ~ computing resources } available within { TAIL ~ a computing environment } are identified
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH